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Consider the following statements, identify the correct statements.
I) Atomic hydrogen is obtained by passing molecular hydrogen through an electric arc.
II) Hydrogen gas will not reduce heated aluminum oxide.
III) Finely divided palladium absorbs large volume of hydrogen gas.
IV) Pure nascent hydrogen is best obtained by reacting Na with C₂H₅OH.

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I alone

II alone

I, II and III

II, III and IV

answer is C.

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Detailed Solution

I) $H_{2} \to_{Arc}^{electric}$ Atomic hydrogen
II) According to SRP values, H₂ not reduces Al.
III) Pd + H₂ $\to$ PdH₂ (occlusion)

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