In the cyanide extraction process of silver from argentite ore, the oxidising and reducing agents are

In the cyanide extraction process of silver from argentite ore, the oxidising and reducing agents are
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In the cyanide extraction process of silver from argentite ore, the oxidising and reducing agents are ... D. `HNO_(3) and CO` respectively
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In the cyanide extraction process of silver from argentite ore, the oxidising and reducing agents are

Description : In the cyanide extraction process of silver from argentite ore, the oxidising and reducing agents are

Last Answer : In the cyanide extraction process of silver from argentite ore, the oxidising and reducing agents are ... D. `HNO_(3)` and CO respectively

Which of the following is not added during the extraction of silver by cyanide process?

Description : Which of the following is not added during the extraction of silver by cyanide process?

Last Answer : Which of the following is not added during the extraction of silver by cyanide process? A. NaCN B. Air C. Zn D. `Na_(2)S_(2)O_(3)`

Determine the equivalent weight of the following oxidising and reducing agents : (a) `KMnO_(4)` (reacting in acidic medium `MnO_(4)^(-)rarrMn^(2+)`) (

Description : Determine the equivalent weight of the following oxidising and reducing agents : (a) `KMnO_(4)` (reacting in acidic medium `MnO_(4)^(-)rarrMn^(2+)`) (

Last Answer : Determine the equivalent weight of the following oxidising and reducing agents : (a) `KMnO_(4)` (reacting in ... medium `MnO_(4)^(-)rarr MnO_(2)`)

What are Aldehydes? (1) Mild oxidising agents (2) Strong oxidising agents (3) Strong reducing agents (4) Mild reducing agents

Description : What are Aldehydes? (1) Mild oxidising agents (2) Strong oxidising agents (3) Strong reducing agents (4) Mild reducing agents

Last Answer : (3) Strong reducing agents Explanation: Aldehydes are organic chemical compounds that include a-carbonyl group (i.e. an oxygen atom attached to a carbon atom by a double covalent bond) and a ... atom makes aldehydes very easy to oxidize. Or, put another way, they are strong reducing agents.

What are Aldehydes? (1) Mild oxidising agents (2) Strong oxidising agents (3) Strong reducing agents (4) Mild reducing agents

Description : What are Aldehydes? (1) Mild oxidising agents (2) Strong oxidising agents (3) Strong reducing agents (4) Mild reducing agents

Last Answer : Strong reducing agents

Extraction of silver from `Ag_(2)S` by the use of sodium cyanide is example of

Description : Extraction of silver from `Ag_(2)S` by the use of sodium cyanide is example of

Last Answer : Extraction of silver from `Ag_(2)S` by the use of sodium cyanide is example of A. `NaSO_(4)` B. `Na_(2)S` C. `2Na[Ag(CN)_(2)]` D. `Na_(2)ZnSO_(4)`

In its reaction with silver nitrate, C2H2 shows – (1) Oxidising property (2) Reducing property (3) Basic property (4) Acidic property

Description : In its reaction with silver nitrate, C2H2 shows – (1) Oxidising property (2) Reducing property (3) Basic property (4) Acidic property

Last Answer : (4) Acidic property Explanation: When treated with ammoniacal silver nitrate solution alkynes form white precipitate of silver acetylides.

In its reaction with silver nitrate, C2H2 shows (1) Oxidising property (2) Reducing property (3) Basic property (4) Acidic property

Description : In its reaction with silver nitrate, C2H2 shows (1) Oxidising property (2) Reducing property (3) Basic property (4) Acidic property

Last Answer : Acidic property

Why is extraction of aluminium not commercially viable by using reducing agents like coke? OR Coke is used in the extraction of iron but not in the extraction of aluminium. Why? OR Aluminium cannot be extracted by heating bauxite and coke. Why?

Description : Why is extraction of aluminium not commercially viable by using reducing agents like coke? OR Coke is used in the extraction of iron but not in the extraction of aluminium. Why? OR Aluminium cannot be extracted by heating bauxite and coke. Why?

Last Answer : Oxygen of aluminium oxide cannot be easily taken away by reducing agents like coke.

In the extraction of iron in the blast furnace, the reducing agent for the ore is

Description : In the extraction of iron in the blast furnace, the reducing agent for the ore is

Last Answer : In the extraction of iron in the blast furnace, the reducing agent for the ore is A. Carbon monoxide B. Carbon dioxide C. Carbon D. Silica

Extraction of `Ag` from sulphide ore and removal of unreacted silver bromide from phorographic plate involve complexes:

Description : Extraction of `Ag` from sulphide ore and removal of unreacted silver bromide from phorographic plate involve complexes:

Last Answer : Extraction of `Ag` from sulphide ore and removal of unreacted silver bromide from phorographic plate involve ... (3))_(2)]^(3-)` respectively

Three different solutions of oxidising agents `KMnO_(4),K_(2)Cr_(2)O_(7) " and "I_(2)` is titrated separately with 0.158 gm of `Na_(2)S_(2)O_(3)`. If

Description : Three different solutions of oxidising agents `KMnO_(4),K_(2)Cr_(2)O_(7) " and "I_(2)` is titrated separately with 0.158 gm of `Na_(2)S_(2)O_(3)`. If

Last Answer : Three different solutions of oxidising agents `KMnO_(4),K_(2)Cr_(2)O_(7) " and "I_(2)` is ... D. all three oxidising agent can act as self indicator.

Oxidising agents have high :-

Description : Oxidising agents have high :-

Last Answer : Oxidising agents have high :- A. Reduction potential B. Oxidation potential C. Ionisation potential D. None of these

(A) Cation carriers, e.g., `H-Br,Cl-OH` and `Br-Br` and oxidising agents such as `O_(3)` and `R-O-O-R`, etc. act as electrophilic reagents. (R) Electr

Description : (A) Cation carriers, e.g., `H-Br,Cl-OH` and `Br-Br` and oxidising agents such as `O_(3)` and `R-O-O-R`, etc. act as electrophilic reagents. (R) Electr

Last Answer : (A) Cation carriers, e.g., `H-Br,Cl-OH` and `Br-Br` and oxidising agents such as `O_(3)` and ... incorrect. D. IF (A) is incorrect but (R) is correct.

Substances that cause a reaction to occur or proceed at a different rate without the reaction itself being affected are called - (1) Catalysts (2) Hydrocarbons (3) Oxidising agents (4) Substitutes

Description : Substances that cause a reaction to occur or proceed at a different rate without the reaction itself being affected are called - (1) Catalysts (2) Hydrocarbons (3) Oxidising agents (4) Substitutes

Last Answer : (1) Catalysts Explanation: Catalysts are substances that cause a reaction to occur or proceed at a different rate without the reaction itself being affected. Eg: hydrogenation of vegetable oils using a nickel catalyst.

During the extraction of Ag and using a KCN solution and Zn, cyanide ions and Zn react with metal ion as respectively

Description : During the extraction of Ag and using a KCN solution and Zn, cyanide ions and Zn react with metal ion as respectively

Last Answer : During the extraction of Ag and using a KCN solution and Zn, cyanide ions and Zn react with metal ... acid C. A reducing agent D. A complexing agent

Cyanide proces is used for the extraction of

Description : Cyanide proces is used for the extraction of

Last Answer : Cyanide proces is used for the extraction of A. Barium B. Silver C. Boron D. Zinc

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 :- 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.

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 that can work both as an oxidising as well as reducing agent is :

Description : The compound that can work both as an oxidising as well as reducing agent is :

Last Answer : The compound that can work both as an oxidising as well as reducing agent is : A. `KMnO_(4)` B. `H_(2)O_(2)` C ... (SO_(4))_(3)` D. `K_(2)Cr_(2)O_(7)`

Hydrogen peroxide acts both as an oxidising and as a reducing agent depending upon the nature of the reacting species. In which of the following cases

Description : Hydrogen peroxide acts both as an oxidising and as a reducing agent depending upon the nature of the reacting species. In which of the following cases

Last Answer : Hydrogen peroxide acts both as an oxidising and as a reducing agent depending upon the nature of the reacting species. In ... C. `SO_(3)^(2-)` D. `KI`

Hydrogen peroxide acts both as an oxidising and as a reducing agent depending upon the nature of the reacting species. In which of the following cases

Description : Hydrogen peroxide acts both as an oxidising and as a reducing agent depending upon the nature of the reacting species. In which of the following cases

Last Answer : Hydrogen peroxide acts both as an oxidising and as a reducing agent depending upon the nature of the reacting species. In ... C. `SO_(3)^(2-)` D. `KI`

Hydrogen peroxide acts both as an oxidising and as a reducing agent depending upon the nature of the reacting species. In which of the following cases

Description : Hydrogen peroxide acts both as an oxidising and as a reducing agent depending upon the nature of the reacting species. In which of the following cases

Last Answer : Hydrogen peroxide acts both as an oxidising and as a reducing agent depending upon the nature of the reacting species. In ... ` C. `SO_(3)^(2-)` D. Kl

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

`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

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)`

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

Potassium Permanganate is used for purifying drinking water, because ________. (1) It is a reducing agent (2) It is an oxidising agent (3) It is a sterilising agent (4) It dissolves the impurities of water

Description : Potassium Permanganate is used for purifying drinking water, because ________. (1) It is a reducing agent (2) It is an oxidising agent (3) It is a sterilising agent (4) It dissolves the impurities of water

Last Answer : (2) It is an oxidising agent Explanation: Potassium permanganate is a point-of-entry water treatment method that oxidizes dissolved iron, mancianese, and hydrogen sulfide into solid particles that are filtered ... to control iron bacteria growth in wells. It is an oxidant, but a poor disinfectant.

Carbon dioxide is – (1) a reducing agent (2) an oxidising agent (3) a dehydrating agent (4) a bleaching agent

Description : Carbon dioxide is – (1) a reducing agent (2) an oxidising agent (3) a dehydrating agent (4) a bleaching agent

Last Answer : (1) a reducing agent Explanation: A good reducing agent must be able to donate electrons readily. This means that it must not have very much attraction for electrons. Carbon dioxide is just like any other oxide and can be reduced to its respective elements by applied energy.

Bleaching action of moist sulphur dioxide is because of its – (1) basic property (2) acidic property (3) oxidising property (4) reducing property

Description : Bleaching action of moist sulphur dioxide is because of its – (1) basic property (2) acidic property (3) oxidising property (4) reducing property

Last Answer : (3) oxidising property Explanation: In moist conditions, sulphur dioxide is a bleaching agent. In the reducing action of SO2, oxygen is removed from coloured dye. Sulphur dioxide is used to bleach ... Calcium hydrogen sulphite Ca(HSO3)2 is used to whiten wood pulp in the manufacturing of paper.

Potassium Permanganate is used for purifying drinking water, because - (1) it dissolves the impurities of water (2) It is a sterilizing agent (3) It is an oxidising agent (4) It is a reducing agent

Description : Potassium Permanganate is used for purifying drinking water, because - (1) it dissolves the impurities of water (2) It is a sterilizing agent (3) It is an oxidising agent (4) It is a reducing agent

Last Answer : (3) It is an oxidising agent Explanation: Potassium permanganate is a point-of-entry treatment method that oxidizes dissolved iron, manganese, and hydrogen sulfide into solid particles that are filtered out of the water.

__________ atmosphere is maintained inside an iron blast furnace. (A) Oxidising (B) Reducing (C) Inert (D) Decarburising

Description : __________ atmosphere is maintained inside an iron blast furnace. (A) Oxidising (B) Reducing (C) Inert (D) Decarburising

Last Answer : (B) Reducing

Pick out the wrong statement. (A) Pulverised fuel can be completely burnt with less percentage of excess air compared to lump coal (B) Low grade coal can be used, but generally high volatile matter coals are more suitable for making pulverised fuel (C) Regulation of furnace temperature and atmosphere (oxidising or reducing) is easily possible with pulverised fuel firing (D) None of these

Description : Pick out the wrong statement. (A) Pulverised fuel can be completely burnt with less percentage of excess air compared to lump coal (B) Low grade coal can be used, but generally high volatile ... and atmosphere (oxidising or reducing) is easily possible with pulverised fuel firing (D) None of these

Last Answer : (D) None of these

Conversion of yellow phosphorus to red phosphorous is done in retorts at 250-450°C in the (A) Presence of an inert atmosphere (B) Presence of a reducing atmosphere (C) Absence of air (D) Presence of an oxidising atmosphere

Description : Conversion of yellow phosphorus to red phosphorous is done in retorts at 250-450°C in the (A) Presence of an inert atmosphere (B) Presence of a reducing atmosphere (C) Absence of air (D) Presence of an oxidising atmosphere

Last Answer : (C) Absence of air

Bleaching action of bleaching powder is due to its __________ properties. (A) Reducing (B) Oxidising (C) Disinfecting (D) None of these

Description : Bleaching action of bleaching powder is due to its __________ properties. (A) Reducing (B) Oxidising (C) Disinfecting (D) None of these

Last Answer : (B) Oxidising

__________ Nature of hypo (sodium thiosulphate) makes it useful in photography. (A) Oxidising (B) Reducing (C) Complex forming (D) Photochemical

Description : __________ Nature of hypo (sodium thiosulphate) makes it useful in photography. (A) Oxidising (B) Reducing (C) Complex forming (D) Photochemical

Last Answer : (C) Complex forming

Dephosphorization of molten pig iron is favoured by (A) Oxidising and basic slag (B) Reducing and basic slag (C) High activity co-efficient of phosphorous in metal (D) Oxidising and neutral slag

Description : Dephosphorization of molten pig iron is favoured by (A) Oxidising and basic slag (B) Reducing and basic slag (C) High activity co-efficient of phosphorous in metal (D) Oxidising and neutral slag

Last Answer : Option B

Potassium Permanganate is used for purifying drinking water, because_________ (1) It is a reducing agent (2) It is an oxidising agent (3) It is a sterilising agent (4) It dissolves the impurities of water

Description : Potassium Permanganate is used for purifying drinking water, because_________ (1) It is a reducing agent (2) It is an oxidising agent (3) It is a sterilising agent (4) It dissolves the impurities of water 

Last Answer :  It is an oxidising agent

Carbon dioxide is (1) a reducing agent (2) an oxidising agent (3) a dehydrating agent (4) a bleaching agent

Description : Carbon dioxide is (1) a reducing agent (2) an oxidising agent (3) a dehydrating agent (4) a bleaching agent

Last Answer :  a reducing agent

Bleaching action of moist sulphur di-oxide is because of its (1) basic property (2) acidic property (3) oxidising property (4) reducing property

Description : Bleaching action of moist sulphur di-oxide is because of its (1) basic property (2) acidic property (3) oxidising property (4) reducing property

Last Answer : oxidising property

Match List I with List II and select the correct answer using the code given below the lists `:` `{:("List-1",,,"List"-II),((a)"Argentite",,,"(1)Halid

Description : Match List I with List II and select the correct answer using the code given below the lists `:` `{:("List-1",,,"List"-II),((a)"Argentite",,,"(1)Halid

Last Answer : Match List I with List II and select the correct answer using the code given below the lists `:` `{:("List-1",,,"List" ... . `{:(a,b,c,d),(3,4,1,2):}`

In Goldschmidt alumino thermic process, which of the following reducing agents is used:

Description : In Goldschmidt alumino thermic process, which of the following reducing agents is used:

Last Answer : In Goldschmidt alumino thermic process, which of the following reducing agents is used: A. Calcium B. Coke C. Al powder D. Sodium

In the process of extraction of gold. Roasted gold ore `+CN^(-)+H_(2)O overset(O_(2))rarr [X]+OH^(-)` `[X]+Znrarr [Y]+Au` Identify the complexes `[X]

Description : In the process of extraction of gold. Roasted gold ore `+CN^(-)+H_(2)O overset(O_(2))rarr [X]+OH^(-)` `[X]+Znrarr [Y]+Au` Identify the complexes `[X]

Last Answer : In the process of extraction of gold. Roasted gold ore `+CN^(-)+H_(2)O overset(O_(2))rarr [X]+OH^(-)` `[X]+ ... (4)]^(-),[Y] =[Zn (CN_(4))]^(-2)`

In the process of extraction of gold, Roasted gold ore `+CN^(-)+H_2Ooverset(o_2)rarr[X]+OH^(-)` `[X]+Znrarr[Y]+Au` Identify the complexes [X] and [Y]

Description : In the process of extraction of gold, Roasted gold ore `+CN^(-)+H_2Ooverset(o_2)rarr[X]+OH^(-)` `[X]+Znrarr[Y]+Au` Identify the complexes [X] and [Y]

Last Answer : In the process of extraction of gold, Roasted gold ore `+CN^(-)+H_2Ooverset(o_2)rarr[X]+OH^(-)` `[X]+Znrarr[Y]+Au` ... _(4)]^(3-),Y=[Zn(CN)_(6)]^(2-)`

Which of the following process is used in the extraction of iron from the Iron ore?

Description : Which of the following process is used in the extraction of iron from the Iron ore?

Last Answer : Reduction

Midrex process of sponge iron production uses reformed natural gas as the reducing agent, which uses iron ore in the form of (A) Lumps (B) Pellets (C) Briquettes (D) Sinte

Description : Midrex process of sponge iron production uses reformed natural gas as the reducing agent, which uses iron ore in the form of (A) Lumps (B) Pellets (C) Briquettes (D) Sinte

Last Answer : Option B

How many of the following statement is/are corret regarding silver extraction process.

Description : How many of the following statement is/are corret regarding silver extraction process.

Last Answer : How many of the following statement is/are corret regarding silver extraction process. A. When ... ,from which zinc is sepatated by distillation

Extraction of __________ employs an electrolytic process. (A) Aluminium (B) Silver (C) Copper (D) All (A), (B) and (C)

Description : Extraction of __________ employs an electrolytic process. (A) Aluminium (B) Silver (C) Copper (D) All (A), (B) and (C)

Last Answer : (A) Aluminium

`H_(2)C_(2)O_(4)` and `NaHC_(2)O_(4)` behave as acids as well as reducing agents. Which are the correct statements?

Description : `H_(2)C_(2)O_(4)` and `NaHC_(2)O_(4)` behave as acids as well as reducing agents. Which are the correct statements?

Last Answer : `H_(2)C_(2)O_(4)` and `NaHC_(2)O_(4)` behave as acids as well as reducing agents. Which are the ... is oxidised by same volume of 1 (M) `KMnO_(4)`