MCQ
Which of the following is $E$ isomer :
- A

- B

- ✓

- D






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| Period number | Group number | |
| $Q$ | $2$ | $15$ |
| $P$ | $3$ | $2$ |
Then formula of the compound formed by $P$ and $Q$ element is
The decreasing order of the rate of the above reaction with nucleophiles $(Nu^-)$ $A$ to $D$ is
$[Nu^-=(A) \,PhO^-, (B)\,AcO^-, (C)\, HO^-, (D)\, CH_3O^-]$