MCQ
Amongst halogens fluorine is most oxidising because
- AFluorine has highest electron affinity
- BFluorine is most electronegative
- ✓Dissociation energy for fluorine molecule is lowest
- DAll are correct
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$n - Pr = n -$ propyl
Product' $(A)$ is

Item$-I$ Item$-II$
$(I)$ Benzene $( P )$ $HCl$ and $SnCl _{2}, H _{3} O ^{+}$
$(II)$ Benzonitrile $(Q)$ $H _{2}, Pd - BaSO _{4}, S$ and quinoline
$(III)$ Benzoyl Chloride $(R)$ $CO , HCl$ and $AlCl _{3}$
[Assume $100 \%$ ionisation of the complex and $CaCl _{2},$ coordination number of $Cr$ as $6,$ and that all $NH _{3}$ molecules are present inside the coordination sphere $]$