NEET Questions Solved


Which statement is not correct for hydrogen peroxide ?

(a) Pure H2O2 is fairly stable

(b) It sometimes acts as a reducing agent

(c) It acts as an oxidising agent

(d) Aqueous solution of H2O2 is weakly basic

Concept Videos :-

#4 | H2O2 (Hydrogen Peroxide)
#5 | Strength of H2O2

Concept Questions :-

H2O2 (Hydrogen Peroxide)
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Benzene is oxidized by H2O2 in presence of FeSO4 to:

(a) phenol

(b) cyclohexane

(c) benzaldehyde

(d) benzoic acid

Concept Videos :-

#4 | H2O2 (Hydrogen Peroxide)
#5 | Strength of H2O2

Concept Questions :-

H2O2 (Hydrogen Peroxide)
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The oxidizing property of H2O2 is best explained by assuming that two oxygen atoms in its molecule are:

(a) bonded differently

(b) bonded similarly

(c) bonded covalently

(d) bonded by hydrogen bonds

Concept Videos :-

#4 | H2O2 (Hydrogen Peroxide)
#5 | Strength of H2O2

Concept Questions :-

H2O2 (Hydrogen Peroxide)
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10 volumes of H2O2 has a strength of approximately:

(a) 3%

(b) 30%

(c) 10%

(d) 5%

Concept Videos :-

#4 | H2O2 (Hydrogen Peroxide)
#5 | Strength of H2O2

Concept Questions :-

H2O2 (Hydrogen Peroxide)
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From the following statements regarding H2O2, choose the incorrect statement:

(a) It can act only as an oxidising agent

(b) It decomposes on exposure to light

(c) It has to be stored in plastic or wax lined glass bottles in dark

(d) It has to be kept away from dust

Concept Videos :-

#4 | H2O2 (Hydrogen Peroxide)
#5 | Strength of H2O2

Concept Questions :-

H2O2 (Hydrogen Peroxide)
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H2O2 turns an acidified solution of ........ to orange red.

(a) BaO2

(b) PbO2

(c) Na2O2

(d) TiO2

Concept Videos :-

#4 | H2O2 (Hydrogen Peroxide)
#5 | Strength of H2O2

Concept Questions :-

H2O2 (Hydrogen Peroxide)
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Which is not true in case of H2O2?

(a) It is more stable in basic solution

(b) It acts as strong oxidising agent in acid and basic solutions

(c) It is decomposed by MnO2

(d) It behaves as reducing agent towards KMnO4

Concept Videos :-

#4 | H2O2 (Hydrogen Peroxide)
#5 | Strength of H2O2

Concept Questions :-

H2O2 (Hydrogen Peroxide)
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Decmposition of H2O2 is retarded by:

(a) acetanilide

(b) alcohol

(c) H3PO4

(d) all of these

Concept Videos :-

#4 | H2O2 (Hydrogen Peroxide)
#5 | Strength of H2O2

Concept Questions :-

H2O2 (Hydrogen Peroxide)
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Point out the incorrect statement.

(a) Hardness of water depends upon its soap consuming power

(b) Temporary hardness is due to bicarbonates of calcium and magnesium

(c) Permanent hardness is due to soluble sulphates, chlorides and nitrates of Ca and Mg

(d) Permanent hardness can be removed by boiling water

Concept Videos :-

#4 | H2O2 (Hydrogen Peroxide)
#5 | Strength of H2O2

Concept Questions :-

H2O2 (Hydrogen Peroxide)
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Hydrogen peroxide is now generally prepared on industrial scale by the:

(a) action of H2SO4 on barium peroxide

(b) action of H2SO4 on sodium paraoxide

(c) electrolysis of 50% H2SO4

(d) burning hydrogen in excess of oxygen

Concept Videos :-

#4 | H2O2 (Hydrogen Peroxide)
#5 | Strength of H2O2

Concept Questions :-

H2O2 (Hydrogen Peroxide)
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