MCQ
Which compound does not possess linear geometry
- ✓$C{H_2} = C{H_2}$
- B$HC \equiv CH$
- C$BeC{l_2}$
- D$C{O_2}$
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Which one of the following options represents identical molecules?

$NH_3{_{(g)}}\ \rightleftharpoons \ \frac {1}{2} {N_2}_{(g)} + \frac {3}{2} {H_2}_{(g)}$ ; $K_P$
The degree of dissociation $(\alpha )$ of $NH_3$ is related to total equilibrium pressure $(P^o )$ as
| List-$I$ (Elements) | List-$II$(Properties in their respective groups) |
| $A$ $\mathrm{Cl}, \mathrm{S}$ | $I$ Elements with highest electronegativity |
| $B$ $\mathrm{Ge}, \mathrm{As}$ | $II$ Elements with largest atomic size |
| $C$ $\mathrm{Fr}, \mathrm{Ra}$ | $III$ Elements which show properties of both metals and non metal |
| $D$ $\mathrm{F}, \mathrm{O}$ | $IV$ Elements with highest negative electron gain enthalpy |
Choose the correct answer from the options given below :
