MCQ
Choose the correct statement
- ✓Amino polarization is more pronounced by highly charged cation
- BSmall cation has minimum capacity to polarise an anion.
- CSmall anion has maximum polarizability
- DNone of these
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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 :
Reason : trans-Compound in trans addition forms two types of stereoisomers.
$C_2H_4O(g) \longrightarrow CH_4(g) + CO(g)$ If the initial pressure of $C_2H_4O(g)$ is $80\, mm$ and total pressure at the end of $20\, minutes$ is $120\, mm$ ............ $\min$