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

Assertion :- A reducing agent is a substance which accepts electron. Reason :- A substanc which helps in oxidaton is known as reducing agent.
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Assertion :- A reducing agent is a substance which accepts electron. Reason :- A substanc which helps ... . D. If both Assertion & Reason are False.
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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: 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

An acid is a substance which (1) Donates a proton (2) Accepts an electron (3) Give H+ in water (4) All

Description : An acid is a substance which (1) Donates a proton (2) Accepts an electron (3) Give H+ in water (4) All

Last Answer : (4) All Explanation: An acid is a chemical substance whose aqueous solutions are characterized by a sour taste, the ability to turn blue litmus red and the ability to react with bases and certain metals to form salts.

A substance that accepts an electron pair is classified as a: w) bronsted-lowry acid x) bronsted-lowry base y) lewis acid z) lewis base

Description : A substance that accepts an electron pair is classified as a: w) bronsted-lowry acid x) bronsted-lowry base y) lewis acid z) lewis base

Last Answer : ANSWER: Y -- LEWIS ACID

Assertion :- Bromide ion is serving as a reducing agent in the reaction `2MnO_(4)^(-)(aq.)+Br^(-)(aq.)+H_(2)Orarr2MnO_(2)(aq.)+BrO_(3)^(-)(aq.)+2OH^(-

Description : Assertion :- Bromide ion is serving as a reducing agent in the reaction `2MnO_(4)^(-)(aq.)+Br^(-)(aq.)+H_(2)Orarr2MnO_(2)(aq.)+BrO_(3)^(-)(aq.)+2OH^(-

Last Answer : Assertion :- Bromide ion is serving as a reducing agent in the reaction `2MnO_(4)^(-)(aq.)+Br^( ... is 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.

A reducing agent is a substance Which can:

Description : A reducing agent is a substance Which can:

Last Answer : A reducing agent is a substance Which can: A. Accept agent is a substance which can : B. Accept electrons C. Donate electrons D. Donate protons

`2KMnO_(4)+5H_(2)S+6H^(+)rarr2Mn^(2+)+2K^(+)+5S+8H_(2)O`. In the above reaction, how many electrons would be involved in the oxidaton of 1 mole of red

Description : `2KMnO_(4)+5H_(2)S+6H^(+)rarr2Mn^(2+)+2K^(+)+5S+8H_(2)O`. In the above reaction, how many electrons would be involved in the oxidaton of 1 mole of red

Last Answer : `2KMnO_(4)+5H_(2)S+6H^(+)rarr2Mn^(2+)+2K^(+)+5S+8H_(2)O`. In the above reaction, how many ... mole of reduction? A. Two B. Five C. Ten D. One

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

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

Last Answer : Due to formation of solvated or Ammoniated electrons

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

Assertion : The primitive atmosphere was reducing one i.e., without oxygen. Reason : In the atmosphere, oxygen was involved in forming ozone.

Description : Assertion : The primitive atmosphere was reducing one i.e., without oxygen. Reason : In the atmosphere, oxygen was involved in forming ozone.

Last Answer : Assertion : The primitive atmosphere was reducing one i.e., without oxygen. Reason : In the ... . If both the assertion and reason are false.

An Arrhenius acid is a substance that: w) donates protons x) accepts protons y) donates hydrogen ions to water z) donates hydroxide ions to water

Description : An Arrhenius acid is a substance that: w) donates protons x) accepts protons y) donates hydrogen ions to water z) donates hydroxide ions to water

Last Answer : ANSWER: Y -- DONATES HYDROGEN IONS TO WATER 

Assertion `:-` Analysis of urine helps in clinical diagnosis of many metabolic disorder. ltbr. Reason `:-` Glycosuria is indicative of disabetes insip

Description : Assertion `:-` Analysis of urine helps in clinical diagnosis of many metabolic disorder. ltbr. Reason `:-` Glycosuria is indicative of disabetes insip

Last Answer : Assertion `:-` Analysis of urine helps in clinical diagnosis of many metabolic disorder. ltbr. Reason `: ... D. If both Assertion & Reason are false.

Assertion `:-` Larynx is a cartilaginous box which helps in sound production. Reason `:-` Epiglottis flap covers the glottis during swallowing and pre

Description : Assertion `:-` Larynx is a cartilaginous box which helps in sound production. Reason `:-` Epiglottis flap covers the glottis during swallowing and pre

Last Answer : Assertion `:-` Larynx is a cartilaginous box which helps in sound production. Reason `:-` Epiglottis ... . D. If both Assertion & Reason are false.

Assertion :- Bile helps in emulsification of fats. Reason `:-` During emulsification fat is brokendown into fatty acid and glycerol.

Description : Assertion :- Bile helps in emulsification of fats. Reason `:-` During emulsification fat is brokendown into fatty acid and glycerol.

Last Answer : Assertion :- Bile helps in emulsification of fats. Reason `:-` During emulsification fat is brokendown ... D. If both Assertion & Reason are false.

Assertion : Presence of zona pallucida over the fertilized ovum prevents ectopic pregnancy . Reason : Zona pellucida helps the ovum to penetrate endom

Description : Assertion : Presence of zona pallucida over the fertilized ovum prevents ectopic pregnancy . Reason : Zona pellucida helps the ovum to penetrate endom

Last Answer : Assertion : Presence of zona pallucida over the fertilized ovum prevents ectopic pregnancy . Reason : Zona ... . If both Assertion & Reason are False.

Assertion :- Zygotene is charactersed by formation of synaptonemal complex . Reason :- Synoptonemal complex helps in synapsis of non homologous chromo

Description : Assertion :- Zygotene is charactersed by formation of synaptonemal complex . Reason :- Synoptonemal complex helps in synapsis of non homologous chromo

Last Answer : Assertion :- Zygotene is charactersed by formation of synaptonemal complex . Reason :- Synoptonemal complex ... If both Assertion & Reason are false.

Assertion:- Cell wall is not only a structural component but also show dynamic role for cell. Reason:- Cell wall helps in cell to cell interaction and

Description : Assertion:- Cell wall is not only a structural component but also show dynamic role for cell. Reason:- Cell wall helps in cell to cell interaction and

Last Answer : Assertion:- Cell wall is not only a structural component but also show dynamic role for cell. Reason:- ... . D. If both Assertion & Reason are false.

Assertion : Skeleton helps in blood cell formation. Reason : Blood flows through skeleton.

Description : Assertion : Skeleton helps in blood cell formation. Reason : Blood flows through skeleton.

Last Answer : Assertion : Skeleton helps in blood cell formation. Reason : Blood flows through skeleton. A. If both ... D. If both Assertion and Reason are false.

Assertion A.: A free board of 0.3 m is provided above the top sewage line in septic tanks. Reason (R): It helps to accommodate the scum in the septic tank. A. Both A and R is true and R is the correct explanation of A B. Both A and R is true but R is not a correct explanation of A C. A is true but R is false D. A is false but R is true

Description : Assertion A.: A free board of 0.3 m is provided above the top sewage line in septic tanks. Reason (R): It helps to accommodate the scum in the septic tank. A. Both A and R is true and R is the correct ... is not a correct explanation of A C. A is true but R is false D. A is false but R is true

Last Answer : ANS: A

Assertion :- First electrons affinity fo all element is positive. Reason :- Successive electron affinity of all elements is negative

Description : Assertion :- First electrons affinity fo all element is positive. Reason :- Successive electron affinity of all elements is negative

Last Answer : Assertion :- First electrons affinity fo all element is positive. Reason :- Successive electron affinity ... D. If both Assertion & Reason are false

Assertion :- In a redox reaction, the oxidation number of the oxidant decreases while that of reductant increases. Reason :- Oxidant gains electron(s)

Description : Assertion :- In a redox reaction, the oxidation number of the oxidant decreases while that of reductant increases. Reason :- Oxidant gains electron(s)

Last Answer : Assertion :- In a redox reaction, the oxidation number of the oxidant decreases while that of reductant ... D. If both Assertion & Reason are False.

Assertion `(A) : K-` shell electron capture is detected by analyzing the wavelength of `X-` ray emitted. Reason `(R):` The wavelength of the `X-` ray

Description : Assertion `(A) : K-` shell electron capture is detected by analyzing the wavelength of `X-` ray emitted. Reason `(R):` The wavelength of the `X-` ray

Last Answer : Assertion `(A) : K-` shell electron capture is detected by analyzing the wavelength of `X-` ray emitted. ... D. If both (A) and (R ) are incorrect.

Assertion : In a radioactive disintegration, an electron is emitted by the nucleus. Reason : Electrons are always present inside the nucleus.

Description : Assertion : In a radioactive disintegration, an electron is emitted by the nucleus. Reason : Electrons are always present inside the nucleus.

Last Answer : Assertion : In a radioactive disintegration, an electron is emitted by the nucleus. Reason : Electrons are ... both (A) and (R ) are incorrect.

Assertion: Phenol is more reactive than benzene towards electrophilic reactions. Reason : The +R effect of OH group increases the electron density on

Description : Assertion: Phenol is more reactive than benzene towards electrophilic reactions. Reason : The +R effect of OH group increases the electron density on

Last Answer : Assertion: Phenol is more reactive than benzene towards electrophilic reactions. Reason : The +R effect of ... D. A is incorrect but R is correct

Assertion A beam of electron can pass undeflected through a region of E and B. Reason Force on moving charged particle due to magnetic field may be ze

Description : Assertion A beam of electron can pass undeflected through a region of E and B. Reason Force on moving charged particle due to magnetic field may be ze

Last Answer : Assertion A beam of electron can pass undeflected through a region of E and B. Reason Force on ... to magnetic field may be zero in some cases.

Local control helps in reducing the

Description : Local control helps in reducing the

Last Answer : Ans. Experimental error

. In filtration, the use of 'filter aid' helps in (A) Reducing the filtration pressure (B) Accelerating the rate of filtration (C) Deplugging the filter medium (D) Enhancing the cake porosity in case of a dense impermeable cake

Description : . In filtration, the use of 'filter aid' helps in (A) Reducing the filtration pressure (B) Accelerating the rate of filtration (C) Deplugging the filter medium (D) Enhancing the cake porosity in case of a dense impermeable cake

Last Answer : (C) Deplugging the filter medium

In most of the mechanically agitated liquid-liquid extractors, baffles or horizontal compartmental plates are provided, which helps in (A) Reducing the axial mixing (B) Increasing the rate of extraction (C) Maintaining the concentration difference between the two phases (D) All 'a', 'b' & 'c'

Description : In most of the mechanically agitated liquid-liquid extractors, baffles or horizontal compartmental plates are provided, which helps in (A) Reducing the axial mixing (B) Increasing the rate of extraction (C) Maintaining the concentration difference between the two phases (D) All 'a', 'b' & 'c'

Last Answer : (D) All 'a', 'b' & 'c'

Sometimes water is sprayed during coal charging in the coke oven, which helps in (A) Prevention of clinker formation in the oven (B) Controlling the dust nuisance while charging the coal (C) Reducing the cracking of hydrocarbons in the gas and increasing the percentage of CO & H2 in the gas (due to the endothermic reaction represented by C + H2O = CO + H2 ) (D) All (A), (B) and (C)

Description : Sometimes water is sprayed during coal charging in the coke oven, which helps in (A) Prevention of clinker formation in the oven (B) Controlling the dust nuisance while charging the coal (C) Reducing the cracking of hydrocarbons in ... represented by C + H2O = CO + H2 ) (D) All (A), (B) and (C)

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

Companding helps in reducing __________ with respect to signal: (A) Interference (B) Signal overloading (C) Non linearity (D) Quantization noise

Description : Companding helps in reducing __________ with respect to signal: (A) Interference (B) Signal overloading (C) Non linearity (D) Quantization noise

Last Answer : (D) Quantization noise

What are the characteristics of Continuous and Comprehensive Evaluation ? (a) It increases the workload on students by taking multiple tests. (b) It replaces marks with grades. (c) It evaluates every aspect of the student. (d) It helps in reducing examination phobia. Select the correct answer from the codes given below: (A) (a), (b), (c) and (d) (B) (b) and (d) (C) (a), (b) and (c) (D) (b), (c) and (d)

Description : What are the characteristics of Continuous and Comprehensive Evaluation ? (a) It increases the workload on students by taking multiple tests. (b) It replaces marks with grades. (c) It evaluates every aspect of the student. (d) It helps in ... ) and (d) (C) (a), (b) and (c) (D) (b), (c) and (d)

Last Answer : Answer: D

Name the reducing agent in the following reaction: 3MnO2 + 4Al———— > 3Mn + 2Al2O3 State which is more reactive, Mn or A1 and why? -Chemistry

Description : Name the reducing agent in the following reaction: 3MnO2 + 4Al———— > 3Mn + 2Al2O3 State which is more reactive, Mn or A1 and why? -Chemistry

Last Answer : ‘Al’ is reducing agent. ‘AT is more reactive than Mn v ‘Al’ displaces Mn from its oxide.

Reducing agent involved in fermentation? -Biology

Description : Reducing agent involved in fermentation? -Biology

Last Answer : answer:

Reducing agent for `CO_(2)` fixation in bacterial photosynthesis is

Description : Reducing agent for `CO_(2)` fixation in bacterial photosynthesis is

Last Answer : Reducing agent for `CO_(2)` fixation in bacterial photosynthesis is A. `NADH_(2)` B. `NADPH_(2)` C. `FMNH_(2)` D. All of these

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.

A sulphur containing species that can not be a reducing agent is :-

Description : A sulphur containing species that can not be a reducing agent is :-

Last Answer : A sulphur containing species that can not be a reducing agent is :- A. `SO_(2)` B. `SO_(3)^(-2)` C. `H_(2)SO_(4)` D. `S_(2)O_(3)^(2-)`

In which of the following reaction `H_(2)O_(2)` acts as reducing agent :-

Description : In which of the following reaction `H_(2)O_(2)` acts as reducing agent :-

Last Answer : In which of the following reaction `H_(2)O_(2)` acts as reducing agent :- A. `2FeCl_(2)+2HCl+H_(2)O_(2)rarr ... 3)+H_(2)O_(2)rarr H_(2)SO_(4)+H_(2)O`

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)`

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

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`

Which of the following phosphorus halide is the best reducing agent?

Description : Which of the following phosphorus halide is the best reducing agent?

Last Answer : Which of the following phosphorus halide is the best reducing agent? A. `PCl_(3)` B. `PF_(3)` C. `PBr_(3)` D. `PI_(3)`

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

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`

Which of the following phosphorus halide is the best reducing agent?

Description : Which of the following phosphorus halide is the best reducing agent?

Last Answer : Which of the following phosphorus halide is the best reducing agent? A. `PCl_(3)` B. `PF_(3)` C. `PBr_(3)` D. `PI_(3)`

Hydrazine `N_(2)H_(4)` acts as a reducing agent. To prepare 100 ml of 2 N hydrazine solution, the weight required will be

Description : Hydrazine `N_(2)H_(4)` acts as a reducing agent. To prepare 100 ml of 2 N hydrazine solution, the weight required will be

Last Answer : Hydrazine `N_(2)H_(4)` acts as a reducing agent. To prepare 100 ml of 2 N hydrazine solution, the weight required will ... B. 1.6 g C. 3.2 g D. 0.8 g

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