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14/12/2021 1:43 pm
Topic starter
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 Na with C2H5OH
Which of the above statements is/are correct?
(a) 1 alone
(b) 2 alone
(c) 1, 2 and 3
(d) 2, 3 and 4
1 Answer
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14/12/2021 1:47 pm
Correct answer: (c) 1, 2 and 3
Explanation:
Pure hydrogen is evolved by reacting absolute alcohol and Na
C2H5OH + Na → C2H5ONa + 1/2H2
other statements are correct.