1.

Which of the group 15 elelments are non-metallic ?

Answer»

N
P
As
Sb

Solution :`UNDERSET ((A)) (NH_4NO_3) + NaOH rarr underset ("Non-inflammabl e GAS") (NaNO_3) + H_2 O`
`NaNO_3 + 4Zn + 7NaOH rarr 4 Na_2 ZnO_2 + NH_3 + 2H_2 O`
`NH_4 NO_2 (A) + NaOH rarr NH_3 + NaNO_2 + H_2 O`
`3 Zn + 5 NaOH + NaNO_2 rarr 3 Na ZnO_2 + NH_3 + H_2 O`.


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