MCQ
In which of the following product is correct
- A

- B

- ✓

- D$C{H_3} - C \equiv C - C{H_3}\xrightarrow[\Delta ]{{Na/\,liq.\,N{H_3}}}$






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$(I)$ $MnSO_4.4H_2O$ $(II)$ $FeSO_4.7H_2O$
$(III)$ $NiSO_4.6H_2O$ $(IV)$ $CuSO_4.5H_2O$
Statement $I$ : Bromination of phenol in solvent with low polarity such as $\mathrm{CHCl}_3$ or $\mathrm{CS}_2$ requires Lewis acid catalyst.
Statement $II$ : The lewis acid catalyst polarises the bromine to generate $\mathrm{Br}^{+}$.
In the light of the above statements, choose the correct answer from the options given below :
