One would expect a proton to have a very large:

Consider the following statements and identify which of them are correct:
$I.$ Atomic hydrogen is obtained by applying an electric arc to hydrogen gas.
$II.$ Hydrogen gas does not reduce heated aluminum.
$III.$ Finely divided palladium absorbs a large volume of hydrogen gas.
$IV.$ The reaction of $Na$ with $C_2H_5OH$ yields pure nascent hydrogen.

Which of the following statements is $NOT$ correct regarding dihydrogen $(H_2)$?

In the production of hydrogen by the Bosch process,which of the following is used as a catalyst?

When a mixture of methane and steam is passed over a nickel catalyst supported on alumina at $725\,^oC$,the product obtained is:

Classify molecular hydrides. Explain each type with two examples.