Consider the following statements:
1. Atomic hydrogen is obtained by passing hydrogen through an electric arc.
2. Hydrogen gas will not reduce heated aluminium oxide.
3. Finely divided palladium adsorbs large volume of hydrogen gas.
4. Pure nascent hydrogen is best obtained by reacting $N a$ with $C_{2} H_{5} O H$
Which of the above statements is/ are correct?

1 alone

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2 alone

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1, 2 and 3

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2, 3 and 4

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Solution

The correct option is C 1, 2 and 3
By passing hydrogen through an electric are, atomic hydrogen is obtained. $H_{2}$ gas will not reduce heated ${A l}_{2} O_{3}$ due to low reactivity of $H_{2}$ than $A l$ , hence cannot displace $A l$ in the reaction.
$P d$ being neutral metal provider large volume of $H_{2}$ to be absorbed.

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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.
iv) Pure nascent hydrogen is best obtained by reacting

N a

with

C_{2} H_{5} O H

.
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.

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

Hydrogen is readily adsorbed by nickel,palladium at room temperature. One volume of palladium can adsorb 900 volumes of hydrogen. So if I put finely divided palladium in water, will it adsorb all hydrogen and leave only oxygen? If no, why?

Hydrogen gas will not reduce heated Aluminium oxide - True or False?

Q. Oxygen gas reacts with hydrogen to produce water. The reaction is represented by the equation:

O_{2} (g) + H_{2} (g) \to H_{2} O (g)

The above reaction is an example of

1

Oxidation of hydrogen

2

Reduction of oxygen

3

Reduction of hydrogen

4

Redox reaction

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The correct option is C 1, 2 and 3By passing hydrogen through an electric are, atomic hydrogen is obtained. H2 gas will not reduce heated Al2O3 due to low reactivity of H2 than Al, hence cannot displace Al in the reaction.Pd being neutral metal provider large volume of H2 to be absorbed.