MCQ
Which electronic level would allow the hydrogen atom to absorb a photon but not to emit a photon
- A$3s$
- B$2p$
- C$2s$
- ✓$1s$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$NH_3{_{(g)}}\ \rightleftharpoons \ \frac {1}{2} {N_2}_{(g)} + \frac {3}{2} {H_2}_{(g)}$ ; $K_P$
The degree of dissociation $(\alpha )$ of $NH_3$ is related to total equilibrium pressure $(P^o )$ as