Out of the following metals which will give `H_(2)` on reaction with `NaOH:`
`I: Zn,` ,`II:Mg`,
`III: Al,`,`IV:Be`

Options

A. I, II, III, IV
B. I, III, IV
C. II, IV
D. I, III

Answer

B

Explanation

Amphoteric metal produces `H_(2)` gas with `NaOH, Zn, Al, Be`.