Alpha Question Bank for Engineering: Chemistry>Chapter 15 - Hydrogen>Exercise-3>Q 19

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Hydrogen peroxide in its reaction with ${KIO}_{4}$ and ${NH}_{2} OH$ respectively, is acting as a

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Important Questions on Hydrogen

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Alpha Question Bank for Engineering: Chemistry>Chapter 15 - Hydrogen>Exercise-3>Q 20

From the following statements regarding

H_{2} O_{2},

choose the incorrect statement:

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Alpha Question Bank for Engineering: Chemistry>Chapter 15 - Hydrogen>Exercise-3>Q 21

Hydrogen peroxide oxidises

{[Fe (CN)_{6}]}^{4 -}

to

{[Fe (CN)_{6}]}^{3 -}

in acidic medium but reduces

{[Fe (CN)_{6}]}^{3 -}

to

{[Fe (CN)_{6}]}^{4 -}

in alkaline medium. The other products formed are respectively

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Alpha Question Bank for Engineering: Chemistry>Chapter 15 - Hydrogen>Exercise-3>Q 22

The chemical nature of hydrogen peroxide is :

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Alpha Question Bank for Engineering: Chemistry>Chapter 15 - Hydrogen>Exercise-3>Q 23

Which of the following combination will produce

H_{2}

gas?

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Alpha Question Bank for Engineering: Chemistry>Chapter 15 - Hydrogen>Exercise-3>Q 24

Which of the following could act as a propellant for rockets?

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Alpha Question Bank for Engineering: Chemistry>Chapter 15 - Hydrogen>Exercise-4>Q 1

When steam is passed over red hot coke, the outgoing gas contains -

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Alpha Question Bank for Engineering: Chemistry>Chapter 15 - Hydrogen>Exercise-4>Q 2

Among

H_{2} O, H_{2} S, H_{2} Se and H_{2} Te

, the one with the highest boiling point is