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STD 12 - p -Block elements - ll — JEE STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceJEESTD 12 - p -Block elements - ll4 Marks
MCQ
Pure ${N_2}$ gas is obtained from
  • A
    $N{H_3} + NaN{O_2}$
  • ✓
    $N{H_4}Cl + NaN{O_2}$
  • C
    ${N_2}O + Cu$
  • D
    ${(N{H_4})_2}C{r_2}{O_7}$
✓

Answer

Correct option: B.
$N{H_4}Cl + NaN{O_2}$
b
(b) $\underset{(aq)}{\mathop{N{{H}_{4}}Cl}}\,+\underset{(aq)}{\mathop{NaN{{O}_{2}}}}\,\,\to \,N{{H}_{4}}N{{O}_{2}}+NaCl$

$N{{H}_{4}}N{{O}_{2}}\,\xrightarrow{\text{heat}}\,\underset{(g)}{\mathop{{{N}_{2}}}}\,+\underset{(l)}{\mathop{2{{H}_{2}}O}}\,$

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