MCQ
The electronic structure of four elements $A, B, C, D$ are
- A$1{s^2}$
- B$1{s^2},\,\,2{s^2}\,2{p^2}$
- ✓$1{s^2},\,\,2{s^2}\,2{p^5}$
- D$1{s^2},\,\,2{s^2}\,2{p^6}$
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| Column $I$ (Molecule/ion) | Column $II$ (Hybridisation) |
| $(A)$ $H_3O^+$ ion | $(P)$ $sp$ |
| $(B)$ $NH_2^-$ ion | $(Q)$ $sp^2$ |
| $(C)$ $NO_3^-$ ion | $(R)$ $sp^3$ |
| $(D)$ $ClF_3$ | $(S)$ $sp^3d$ |

Assertion $(A) :$ Treatment of bromine water with propene yields $1-$bromopropan$-2-$ol.
Reason $(R):$ Attack of water on bromonium ion follows Markovnikov rule and results in $1-$bromopropan$-2-$ol.
In the light of the above statements, choose the most appropriate answer from the options given below: