Alkaline metals when dissolved in ammonium (NH3) act as better conductor and better reducing agent what is the reason behind it ?

 Alkaline metals when dissolved in ammonium (NH3) act as better conductor and better reducing agent what is the reason behind it ?
by

1 Answer

Answer :

 Due to formation of solvated or Ammoniated electrons   
by
selected

Related questions

Assertion :- Nitrous acid `(HNO_(2))` may act as an oxidising agent as well as a reducing agent. Reason :- The oxidation number of Nitrogen remains sa

Description : Assertion :- Nitrous acid `(HNO_(2))` may act as an oxidising agent as well as a reducing agent. Reason :- The oxidation number of Nitrogen remains sa

Last Answer : Assertion :- Nitrous acid `(HNO_(2))` may act as an oxidising agent as well as a reducing agent. ... False. D. If both Assertion & Reason are False.

Statement-1: Carbon is not used as a reducing agent for the extraction of group 2 metals. Statement-2: Carbon reacts with group 2 metal to give carbid

Description : Statement-1: Carbon is not used as a reducing agent for the extraction of group 2 metals. Statement-2: Carbon reacts with group 2 metal to give carbid

Last Answer : Statement-1: Carbon is not used as a reducing agent for the extraction of group 2 metals. Statement ... Statement-1 is false but Statement -2 is true

Give reason .the compounds of alkaline earth metals are less ionic than alkali metals

Description : Give reason .the compounds of alkaline earth metals are less ionic than alkali metals

Last Answer : Ans This is due to increased nuclear charge and smaller size.

Give reason .the compounds of alkaline earth metals are less ionic than alkali metals

Description : Give reason .the compounds of alkaline earth metals are less ionic than alkali metals

Last Answer : This is due to increased nuclear charge and smaller size. 

Formation of ammonium carbamate by reaction of NH3 with CO2 is a/an __________ reaction. (A) Catalytic (B) Exothermic (C) Endothermic (D) Reversible

Description : Formation of ammonium carbamate by reaction of NH3 with CO2 is a/an __________ reaction. (A) Catalytic (B) Exothermic (C) Endothermic (D) Reversible

Last Answer : (B) Exothermic

Raw materials required for the production of CAN (Calcium ammonium nitrate) is NH3 (A) HNO3 & limestone (B) CO2 & H2SO4 (C) HNO3 & NH4Cl (D) CO2 & KNO3

Description : Raw materials required for the production of CAN (Calcium ammonium nitrate) is NH3 (A) HNO3 & limestone (B) CO2 & H2SO4 (C) HNO3 & NH4Cl (D) CO2 & KNO3

Last Answer : (A) HNO3 & limestone

A fertiliser contains 82% N2 . It could be (A) Urea (B) Liquid NH3 (C) Ammonium nitrate (D) None of these

Description : A fertiliser contains 82% N2 . It could be (A) Urea (B) Liquid NH3 (C) Ammonium nitrate (D) None of these

Last Answer : (B) Liquid NH3

Which group of elements is called alkaline earth metals ?

Description : Which group of elements is called alkaline earth metals ?

Last Answer : 1st A group because the oxides and hydrides are alkaline in nature Among 1A group elements why the element lithium is the most powerful, reducing agent in equivalent state Due to its low sublimation and hydration energy

STATEMENT-1 : `H_(2)SO_(4)` can not act as reducing agent. STATEMENT-2 : Sulphur can not increase its oxidation number beyond `+6`.

Description : STATEMENT-1 : `H_(2)SO_(4)` can not act as reducing agent. STATEMENT-2 : Sulphur can not increase its oxidation number beyond `+6`.

Last Answer : STATEMENT-1 : `H_(2)SO_(4)` can not act as reducing agent. STATEMENT-2 : Sulphur can not increase ... False. D. If both Assertion & Reason are False.

Assertion :- In the reaction `Zn(s)+cu^(+2)(aq)rarrZn^(+2)(aq)+Cu(s)` `Cu^(+2)` ions act as oxidising agent and Zn atoms act as a reducing agent. Reas

Description : Assertion :- In the reaction `Zn(s)+cu^(+2)(aq)rarrZn^(+2)(aq)+Cu(s)` `Cu^(+2)` ions act as oxidising agent and Zn atoms act as a reducing agent. Reas

Last Answer : Assertion :- In the reaction `Zn(s)+cu^(+2)(aq)rarrZn^(+2)(aq)+Cu(s)` `Cu^(+2)` ions ... the Reason is False. D. If both Assertion & Reason are False.

The compound which can act as an oxidizing agent as well as reducing agent is

Description : The compound which can act as an oxidizing agent as well as reducing agent is

Last Answer : The compound which can act as an oxidizing agent as well as reducing agent is A. `HNO_(2)` B. Hl C. HCN D. HCOOH

The compound which can act as an oxidizing agent as well as reducing agent is

Description : The compound which can act as an oxidizing agent as well as reducing agent is

Last Answer : The compound which can act as an oxidizing agent as well as reducing agent is A. `HNO_(2)` B. Hl C. HCN D. HCOOH

`SO_(2)` is a strong reducing agent however it also act as an oxidising agent Which of the following reactions shows its oxidising nature ?

Description : `SO_(2)` is a strong reducing agent however it also act as an oxidising agent Which of the following reactions shows its oxidising nature ?

Last Answer : `SO_(2)` is a strong reducing agent however it also act as an oxidising agent Which ... colloidal sulphur D. Turning acidified dichromate paper green

How many of the following species can act as both bleaching agent and reducing agent `O_(3),H_(2)O_(2),SO_(2),HCl,SO_(3)`

Description : How many of the following species can act as both bleaching agent and reducing agent `O_(3),H_(2)O_(2),SO_(2),HCl,SO_(3)`

Last Answer : How many of the following species can act as both bleaching agent and reducing agent `O_(3),H_(2)O_(2),SO_(2),HCl,SO_(3)`

Which of the following act both as an oxidising as well as reducing agent ?

Description : Which of the following act both as an oxidising as well as reducing agent ?

Last Answer : Which of the following act both as an oxidising as well as reducing agent ? A. `HNO_(2)` B. `H_(2)O_(2)` C. `H_(2)S` D. `SO_(2)`

Assertion :- `Cr^(+2)` is a reducing agent and `Mn^(+3)` is oxidising agent. Reason :- `Mn^(+3)` has `d^(5)` configuration.

Description : Assertion :- `Cr^(+2)` is a reducing agent and `Mn^(+3)` is oxidising agent. Reason :- `Mn^(+3)` has `d^(5)` configuration.

Last Answer : Assertion :- `Cr^(+2)` is a reducing agent and `Mn^(+3)` is oxidising agent. Reason :- `Mn ... is False. D. If both Assertion & Reason are False.

Assertion :- A reducing agent is a substance which accepts electron. Reason :- A substanc which helps in oxidaton is known as reducing agent.

Description : Assertion :- A reducing agent is a substance which accepts electron. Reason :- A substanc which helps in oxidaton is known as reducing agent.

Last Answer : Assertion :- A reducing agent is a substance which accepts electron. Reason :- A substanc which helps ... . D. If both Assertion & Reason are False.

Assertion: Reaction of `SO_(2)` and `H_(2)S` in the presence of `Fe_(2)O_(3)` catalyst gives elemental sulphur. Reason: `SO_(2)` is a reducing agent.

Description : Assertion: Reaction of `SO_(2)` and `H_(2)S` in the presence of `Fe_(2)O_(3)` catalyst gives elemental sulphur. Reason: `SO_(2)` is a reducing agent.

Last Answer : Assertion: Reaction of `SO_(2)` and `H_(2)S` in the presence of `Fe_(2)O_(3)` catalyst gives ... is False. D. If both Assertion & Reason are False.

Assertion: `SO_(3)` acts as an oxidising agent as well as a reducing agent Reason: `SO_(2)` acts as an oxidising as well as a reducing agent

Description : Assertion: `SO_(3)` acts as an oxidising agent as well as a reducing agent Reason: `SO_(2)` acts as an oxidising as well as a reducing agent

Last Answer : Assertion: `SO_(3)` acts as an oxidising agent as well as a reducing agent Reason: `SO_(2)` acts as an oxidising as well as a reducing agent

Name the most power full reducing agent & give reason for it .

Description : Name the most power full reducing agent & give reason for it .

Last Answer : The alkali metals are strong reducing agents, lithium being the most and sodium the least powerful reducing agent. Note--- With the small size of its ion, lithium has the highest hydration enthalpy which accounts for its high negative E0 value and its high reducing power. 

Which of the following is the primary reason for adding calcium carbonate to the reduction process of iron oxide ores ? The calcium carbonate: w) acts as an oxidizing agent x) removes silicate waste products y) acts as a reducing agent z) removes sulfur waste products

Description : Which of the following is the primary reason for adding calcium carbonate to the reduction process of iron oxide ores ? The calcium carbonate: w) acts as an oxidizing agent x) removes silicate waste products y) acts as a reducing agent z) removes sulfur waste products

Last Answer : ANSWER: X -- REMOVES SILICATE WASTE PRODUCTS

Ammonium chloride when dissolved in water leads to a cooling sensation. The dissolution of ammonium chloride at constant temperature is accompanied by

Description : Ammonium chloride when dissolved in water leads to a cooling sensation. The dissolution of ammonium chloride at constant temperature is accompanied by

Last Answer : Ammonium chloride when dissolved in water leads to a cooling sensation. The dissolution of ammonium ... change in entropy D. No charge in enthalpy

What happens when? a) A cleaned iron plate or iron nail is kept in 10g of copper sulphate solution. b) A pinch of mercuric oxide is kept in a test tube. c)A small crystal of silver nitrate is dissolved in distilled water and a drop of ammonium hydroxide & a pinch of glucose powder are added.

Description : What happens when? a) A cleaned iron plate or iron nail is kept in 10g of copper sulphate solution. b) A pinch of mercuric oxide is kept in a test tube. c)A small crystal of silver nitrate is dissolved in distilled water and a drop of ammonium hydroxide & a pinch of glucose powder are added.

Last Answer : a) A cleaned iron plate or iron nail is kept in 10g of copper sulphate solution. After a few hours a coating of copper is seen on iron nail/plate. It is based on displacement reaction. ... on the inner walls of the test tube. Aldehyde group in glucose reduced silver nitrate to metallic silver.

An organic compound containing one oxygen gives red colour with cerric ammonium nitrate solution , decolourise alkaline `KMnO_(4)` , respond iodoform

Description : An organic compound containing one oxygen gives red colour with cerric ammonium nitrate solution , decolourise alkaline `KMnO_(4)` , respond iodoform

Last Answer : An organic compound containing one oxygen gives red colour with cerric ammonium nitrate solution , decolourise alkaline ... underset(||)(O)-CH_(3)` D.

Crude oil is sometimes termed sweet because it is – (1) sweet in taste due to dissolved sugars (2) mildly sweet due to low sulphur content (3) less acidic (4) less alkaline

Description : Crude oil is sometimes termed sweet because it is – (1) sweet in taste due to dissolved sugars (2) mildly sweet due to low sulphur content (3) less acidic (4) less alkaline

Last Answer : (2) mildly sweet due to low sulphur content Explanation: Crude oil is sometimes termed sweet amount of hydrogen sulphide and Carbon dioxide.

Crude oil is sometimes termed sweet because it is : (1) sweet in taste due to dissolved sugars (2) mildly sweet due to low sulphur content (3) less acidic (4) less alkaline

Description : Crude oil is sometimes termed sweet because it is : (1) sweet in taste due to dissolved sugars (2) mildly sweet due to low sulphur content (3) less acidic (4) less alkaline

Last Answer : mildly sweet due to low sulphur content

Metalloids (A) Are good conductor of heat & electricity (B) Act as electron donors with metals & as electron acceptor with non metals (C) Are not necessarily solids at room temperature (D) Are compounds that exhibit both metallic & non-metallic properties to some extent and are exemplified by elements like germanium, silicon & boron

Description : Metalloids (A) Are good conductor of heat & electricity (B) Act as electron donors with metals & as electron acceptor with non metals (C) Are not necessarily solids at room temperature ... & non-metallic properties to some extent and are exemplified by elements like germanium, silicon & boron

Last Answer : D) Are compounds that exhibit both metallic & non-metallic properties to some extent and are exemplified by elements like germanium, silicon & boron

A tripeptide functioning as an important reducing agent in the tissues is (A) Bradykinin (B) Kallidin (C) Tyrocidin (D) Glutathione

Description : A tripeptide functioning as an important reducing agent in the tissues is (A) Bradykinin (B) Kallidin (C) Tyrocidin (D) Glutathione

Last Answer : Answer : D

Give reasons : A. Ga^(3+) salts are better reducing agent while Tl^(3+) salts are better oxidising agent.

Description : Give reasons : A. Ga^(3+) salts are better reducing agent while Tl^(3+) salts are better oxidising agent.

Last Answer : Give reasons : A. Ga3+ salts are better reducing agent while Tl3+ salts are better oxidising agent. B. PbCl4 is less stable than PbCl2

Why do the the alkali metals give blue solution ,when treated with liq NH3?

Description : Why do the the alkali metals give blue solution ,when treated with liq NH3? 

Last Answer : The alkali metals dissolve in liquid ammonia giving deep blue solutions which are conducting in nature. The blue colour of the solution is due to the ammoniated electron which absorbs ... ammonia.) In concentrated solution, the blue colour changes to bronze colour and becomes diamagnetic.  

Detergents dissolved in water help in cleaning clothes by A. Increasing the temperature of water B. Reacting chemically with dirt C. Reducing the surface tension of water D. Dissolving dirt

Description : Detergents dissolved in water help in cleaning clothes by A. Increasing the temperature of water B. Reacting chemically with dirt C. Reducing the surface tension of water D. Dissolving dirt

Last Answer : ANSWER: C

Detergents dissolved in water help in cleaning clothes by-----? A. Increasing the temperature of water B. Reacting chemically with dirt C. Reducing the surface tension of water (Answer) D. Dissolving dirt

Description : Detergents dissolved in water help in cleaning clothes by-----? A. Increasing the temperature of water B. Reacting chemically with dirt C. Reducing the surface tension of water (Answer) D. Dissolving dirt

Last Answer : C. Reducing the surface tension of water (Answer)

Heavy water used in the nuclear reactors to slow down the speed of neutrons is (A) Highly purified water (B) A compound of oxygen and deuterium (C) Water having dissolved salts of heavy metals (D) None of these

Description : Heavy water used in the nuclear reactors to slow down the speed of neutrons is (A) Highly purified water (B) A compound of oxygen and deuterium (C) Water having dissolved salts of heavy metals (D) None of these

Last Answer : (B) A compound of oxygen and deuterium

Pick out the wrong statement pertaining to nitric acid. (A) About 90% of nitric acid is manufactured by Ostwald's process (B) It is a strong mono basic acid which reacts with almost all the metals except noble metals (C) Yellow color of impure nitric acid is because of dissolved oxides of nitrogen (mainly NO2 ) (D) Arc process of nitric acid manufacture is economical as compared to Ostwald's process

Description : Pick out the wrong statement pertaining to nitric acid. (A) About 90% of nitric acid is manufactured by Ostwald's process (B) It is a strong mono basic acid which reacts with almost all the ... (mainly NO2 ) (D) Arc process of nitric acid manufacture is economical as compared to Ostwald's process

Last Answer : (D) Arc process of nitric acid manufacture is economical as compared to Ostwald's process

Choose a statement that correctly defines the term AMALGAM: A. Amalgam is a metallic powder composed of silver, tin, copper and zinc B. Amalgam is an alloy of two or more metals that have been dissolved in each other in the molten state. C. Amalgam is an alloy of two or more metals, one of them is mercury D. Amalgam is a metallic substance in powder or tablet from that is mixed with mercury E. Amalgam is an alloy of two or more metals, one of them is tin

Description : Choose a statement that correctly defines the term AMALGAM: A. Amalgam is a metallic powder composed of silver, tin, copper and zinc B. Amalgam is an alloy of two or more metals that have been dissolved in ... is mixed with mercury E. Amalgam is an alloy of two or more metals, one of them is tin

Last Answer : C. Amalgam is an alloy of two or more metals, one of them is mercury

When talking about the periodic table, what are the trends of precipitates as you move down the column of alkaline earth metals?

Description : When talking about the periodic table, what are the trends of precipitates as you move down the column of alkaline earth metals?

Last Answer : Homework, eh? :)

Alkaline earth metals have low values of electronegativity; which decrease down the group.

Description : Alkaline earth metals have low values of electronegativity; which decrease down the group.

Last Answer : Explain : Alkaline earth metals have low values of electronegativity; which decrease down the group.

Are alkaline metals reactive?

Description : Are alkaline metals reactive?

Last Answer : Alkaline metals are the most reactive metals.

What is the most active group of nonmetals noble gases alkaline earth halogens alkali metals?

Description : What is the most active group of nonmetals noble gases alkaline earth halogens alkali metals?

Last Answer : The most active metals are alkali metals.The most active nonmetals are halogens.

Who has the most active group of nonmetals noble gases alkaline earth halogens alkali metals?

Description : Who has the most active group of nonmetals noble gases alkaline earth halogens alkali metals?

Last Answer : Kevin

Catalytic converters are generally made from (1) Alkaline metals (2) Hydrogen (3) Transition metals (4) Carbon

Description : Catalytic converters are generally made from (1) Alkaline metals (2) Hydrogen (3) Transition metals (4) Carbon

Last Answer : (3) Transition metals Explanation: Transition metals are used directly as catalysts in the anti-pollution catalytic converters in car exhausts. For example, expensive transition metals such as ... nitrogen monoxide, which are converted to the non-polluting gases nitrogen and carbon dioxide.

How does the of Hydration Enthalpy of alkaline earth metals vary & compare it with alkali metals

Description : How does the of Hydration Enthalpy of alkaline earth metals vary & compare it with alkali metals

Last Answer : Ans The hydration enthalpies of alkaline earth metal ions decrease with increase in ionic size down the group. Be2+> Mg2+ > Ca2+ > Sr2+ > Ba2+ The hydration enthalpies of alkaline earth metal ions ... MgCl2 and CaCl2 exist as MgCl2.6H2O and CaCl2· 6H2O while NaCl and KCl do not form such hydrates.

How does the of Ionization Enthalpy of alkaline earth metals vary in comparison to alkali metals

Description : How does the of Ionization Enthalpy of alkaline earth metals vary in comparison to alkali metals

Last Answer : Ans The alkaline earth metals have low ionization enthalpies due to fairly large size of the atoms. Since the atomic size increases down the group, their ionization enthalpy decreases The first ... enthalpies of the alkaline earth metals are smaller than those of the corresponding alkali metals.

How does the atomic and Ionic Radii of alkaline earth metals vary in comparison to alkali metals

Description : How does the atomic and Ionic Radii of alkaline earth metals vary in comparison to alkali metals

Last Answer : Ans The atomic and ionic radii of the alkaline earth metals are smaller than those of the corresponding alkali metals in the same periods. This is due to the increased nuclear charge in these elements. Within the group, the atomic and ionic radii increase with increase in atomic number.

State as to why: (a) A solution of Na2CO3 is alkaline? (b)alkali metals are prepared by electrolysis of their fused chlorides ? (c)sodium is found to be more useful than potassium ?

Description : State as to why: (a) A solution of Na2CO3 is alkaline? (b)alkali metals are prepared by electrolysis of their fused chlorides ? (c)sodium is found to be more useful than potassium ?

Last Answer : Ans. (a) It undergoes hydrolysis to produce a strong base NaOH . (b) When the aq. Solution of any alkali metal is subjected to electrolysis ,H2 instead of the alkali metal is produced at the ... of sugars and amino acids into the cells. Thus, sodium is found to be more useful than potassium.

Electrometallurgical methods of metal extraction is normally used for those metals (A) Whose oxide/ore is not reduced by carbon (B) Which fall in the category of alkali & alkaline earth metals (C) Which stands higher in the electrochemical series of the metal (D) All (A), (B) & (C)

Description : Electrometallurgical methods of metal extraction is normally used for those metals (A) Whose oxide/ore is not reduced by carbon (B) Which fall in the category of alkali & alkaline earth metals (C) Which stands higher in the electrochemical series of the metal (D) All (A), (B) & (C)

Last Answer : (D) All (A), (B) & (C)

What are the uses of alkaline earth metals ?

Description : What are the uses of alkaline earth metals ?

Last Answer : Beryllium is used in the manufacture of alloys. Copper-beryllium alloys are used in the preparation of high strength springs. Metallic beryllium is used for making windows of X-ray tubes. Magnesium ... vacuum tubes. Radium salts are used in radiotherapy, for example, in the treatment of cancer.

How does the of Hydration Enthalpy of alkaline earth metals vary & compare it with alkali metals

Description : How does the of Hydration Enthalpy of alkaline earth metals vary & compare it with alkali metals  

Last Answer : The hydration enthalpies of alkaline earth metal ions decrease with increase in ionic size down the group. Be2+> Mg2+ > Ca2+ > Sr2+ > Ba2+ The hydration enthalpies of alkaline earth metal ... and CaCl2 exist as MgCl2.6H2O and CaCl2· 6H2O while NaCl and KCl do not form such hydrates.  

How does the of Ionization Enthalpy of alkaline earth metals vary in comparison to alkali metals

Description : How does the of Ionization Enthalpy of alkaline earth metals vary in comparison to alkali metals 

Last Answer : The alkaline earth metals have low ionization enthalpies due to fairly large size of the atoms. Since the atomic size increases down the group, their ionization enthalpy decreases The first ionisation ... of the alkaline earth metals are smaller than those of the corresponding alkali metals.  

How does the atomic and Ionic Radii of alkaline earth metals vary in comparison to alkali metals

Description : How does the atomic and Ionic Radii of alkaline earth metals vary in comparison to alkali metals 

Last Answer : The atomic and ionic radii of the alkaline earth metals are smaller than those of the corresponding alkali metals in the same periods. This is due to the increased nuclear charge in these elements. Within the group, the atomic and ionic radii increase with increase in atomic number.