MCQ
Which are correct order

- ✓$B, C$
- B$A,B,C$
- C$B,C,D$
- D$A,C$

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$BaCl_2 + Na_2SO_4 \to BaSO_4 + 2NaCl$
$[IMAGE]\,\,\xrightarrow{{{C_2}{H_5}OH/\Delta }}$
|
List$-I$ (Species) |
List$-II$ (Hybrid Orbitals) |
| $(a)$ $\mathrm{SF}_{4}$ | $(i)$ $\mathrm{sp}^{3} \mathrm{~d}^{2}$ |
| $(b)$ $\mathrm{IF}_{5}$ | $(ii)$ $\mathrm{d}^{2} \mathrm{sp}^{3}$ |
| $(c)$ $\mathrm{NO}_{2}^{+}$ | $(iii)$ $\mathrm{sp}^{3} \mathrm{~d}$ |
| $(d)$ $\mathrm{NH}_{4}^{+}$ | $(iv)$ $\mathrm{sp}^{3}$ |
| $(v)$ $\mathrm{sp}$ |
Choose the correct answer form the options given below :
$(A)$ The compound is optically active
$(B)$ The compound possesses centre of symmetry
$(C)$ The compound possesses plane of symmetry
$(D)$ The compound possesses axis of symmetry