MCQ
Which of the following is true for Williamson's synthesis?
- ATertiary halides are not used in the reaction
- BReaction mainly follows $S_{N^2}$ mechanism
- CReaction is used in preparation of ethers
- ✓All
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

$STATEMENT-2$: Both geometrical isomers of the complex $\left[\mathrm{M}\left(\mathrm{NH}_3\right)_4 \mathrm{Cl}_2\right]$ possess axis of symmetry.