In the preparation of hydrogenated oil the chemical reaction involving hydrogen is called:

(1) hydrogenation

(2) reduction

(3) dehydration

(4) oxidation

Concept Questions :-

Preparation & Properties
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The most abundant isotope of hydrogen is:

(1) tritium

(2) deuterium

(3) protium

(4) para-hydrogen

Concept Questions :-

Preparation & Properties
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Hydrogen is evolved by the action of cold dilute HNO3 on:

(1) Fe

(2) Mg or Mn

(3) Cu

(4) Al

Concept Questions :-

Preparation & Properties
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A molten ionic hydride on electrolysis gives:

1. H+ ion moving towards the cathode

2. H+ ion moving towards the anode

3. H2 is liberated at anode

4. H2 is liberated at cathode

Concept Questions :-

Type of Hydride
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Which statement is not correct for hydrogen peroxide ?

(1) Pure H2O2 is fairly stable

(2) It sometimes acts as a reducing agent

(3) It acts as an oxidising agent

(4) Aqueous solution of H2O2 is weakly basic

Concept Questions :-

H2O2 (Hydrogen Peroxide)
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In solid hydrogen, the intermolecular bonding is:

(1) ionic

(2) van der Waals'

(3) metallic

(4) covalent

Concept Questions :-

Type of Hydride
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The lightest gas is :

(1) nitrogen

(2) helium

(3) oxygen

(4) hydrogen

Concept Questions :-

Di-Hydrogen,type and isotopes
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Benzene is oxidized by H2O2 in presence of FeSO4 to:

(1) phenol

(2) cyclohexane

(3) benzaldehyde

(4)benzoic acid

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:

(1) bonded differently

(2) bonded similarly

(3) bonded covalently

(4) bonded by hydrogen bonds

Concept Questions :-

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

(1) 3%

(2) 30%

(3) 10%

(4) 5%

Concept Questions :-

H2O2 (Hydrogen Peroxide)
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