For NH2OH.HCl+NaNO2→(A)→Cu(B)+(X)gas. which of the following is correct ?
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a
(B) is an amphoteric oxide
b
(X) is a colourless, diamagnetic gas which combines with Al on heating
c
(X) can be produced by action of (Zn + NaOH) on NaNO2
d
None of the above
answer is B.
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Detailed Solution
NH2OH.HCl+NaNO2→N2O→CuCuO+N2 (B) (X) , CuO is a basic oxide. N2 is a colourless, diamagnetic gas which combines with Al .2Al+N2→2AlN. Zn+NaOH evolves H2 which reduces NaNO2 to form NH3 gas. NaNO2+6H→NaOH+NH3+H2O