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Uses of Hydrogen

Which of the ...

Question

Which of the following absorbs largest volume of hydrogen?

A

Colloidal palladium

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B

Finely divided nickel

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C

Colloidal ferric hydroxide

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D

Finely divided platinum

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Solution

The correct option is A Colloidal palladium
Palladium is the best in absorbing hydrogen gas as the rate of absorption is affected by the physical condition of the substance.

Pd has a great degree of subdivision hence absorbs hydrogen best.

Hence, option A is correct.

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Similar questions

Q. Consider the following statements.

I. Atomic hydrogen is obtained by passing hydrogen through an electric arc.
II. Hydrogen gas will not reduce heated aluminium oxide.
III. Finely divided palladium absorbs large volume of hydrogen gas.

Which of the above statement(s) is(are) correct:

Q. Consider the following statements:
i) Atomic hydrogen is obtained by passing hydrogen through an electric arc.
ii) Hydrogen gas will not reduce heated aluminium oxide.
iii) Finely divided palladium absorbs large volume of hydrogen gas.
iv) Pure nascent hydrogen is best obtained by reacting

N a

C_{2} H_{5} O H

.
Which of the above statement(s) is/are correct?

Q. The largest two digit number, which on divided by 6 results a remainder of 4 is .

P (n) = n^{5} - n

, then the largest of the following integers which divides

P (1), P (2), \dots P (n)

Q. The decomposition of

N H_{3}

on finely divided platinum follows the rate expression,

= \frac{k_{1} [N H_{3}]}{1 + k_{2} [N H_{3}]}

It is a first order reaction when concentration of

N H_{3}

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