NTA Abhyas 2020
- Exam
- NTA Abhyas
- Year
- 2020
- Subject
- Chemistry
- Chapter
- s Block Elements
NTA Abhyas 2020 · Chemistry · s Block Elements
A metal (P) on heating in nitrogen gas gives compound Q.Q on...
A metal on heating in nitrogen gas gives compound on treatment with gives a colourless gas which when passed through \text{CuS}{\text{O}_{4} solution gives a dark blue-violet coloured solution. and respectively, are
Options
- ANa and \text{N}{\text{a}_{3}N
- BNa and \text{NaN}{\text{O}_{3}
- CMg and \text{M}{\text{g}_{3}{N}_{2}
- DMg and \text{Mg} ( \text{N}{\text{O}_{3}{)}_{2}
Correct answer
C. Mg and \text{M}{\text{g}_{3}{N}_{2}
Step-by-step solution
\text{P} + {N}_{2} \to \text{nitride(Q)}\overset{{H}_{2} \text{O}}{→} {\text{NH}_{3} + {\text{CuSO}_{4} \to Blue-violet coloured sol.
\mathop{\text{3}\text{Mg}_{\left(\text{P}\right)} \text{+}{N}_{2} \to \mathop{{\text{Mg}_{3} {N}_{2}}_{\left(\text{Q}\right)} \overset{{H}_{2} \text{O}}{→} {\text{Mg(OH)}_{2} \text{+}{\text{NH}_{3}
Hence and are and \text{M}{\text{g}_{3}{N}_{2} respectively.
\mathop{\text{3}\text{Mg}_{\left(\text{P}\right)} \text{+}{N}_{2} \to \mathop{{\text{Mg}_{3} {N}_{2}}_{\left(\text{Q}\right)} \overset{{H}_{2} \text{O}}{→} {\text{Mg(OH)}_{2} \text{+}{\text{NH}_{3}
Hence and are and \text{M}{\text{g}_{3}{N}_{2} respectively.