- ✓

- B

- C

- D






The protonated ether undergoes nucleophilic attack by halide ion $(x)$ and forms alkyl alcohol and alkyl halide

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| Column A | Column B |
| i. $HC \equiv C - CH = CH - CH _3$ | a. 2,3 and 0 |
| ii. $CH _2= C = CH - CH _3$ | b. 4,6 and 2 |
| iii. $CH _2- CH - C \equiv N$ | c. 4,6 and 3 |
iv. ![]() | d. 3, 6 and 2 |
| e. 3, 6 and 2 |
$\Delta_{f} \mathrm{H}^{\ominus}$ for $\mathrm{KCl}=-436.7 \,\mathrm{~kJ}\, \mathrm{~mol}^{-1}$
$\Delta_{\text {sub }} \mathrm{H}^{\ominus}$ for $\mathrm{K}=89.2 \,\mathrm{~kJ}\, \mathrm{~mol}^{-1}$
$\Delta_{\text {ionization }} \,\mathrm{H}^{-}$ for $\mathrm{K}=419.0\, \mathrm{~kJ}\, \mathrm{~mol}^{-1}$
$\Delta_{\text {electron gain }} \mathrm{H}^{\ominus}$ for $\mathrm{Cl}_{(\text {e) }}=-348.6 \,\mathrm{~kJ} \,\mathrm{~mol}^{-1}$
$\Delta_{\mathrm{bond}} \mathrm{H}^{-}$ for $\mathrm{Cl}_{2}=243.0 \,\mathrm{~kJ} \,\mathrm{~mol}^{-1}$
The magnitude of lattice enthalpy of $\mathrm{KCl}$ in $\mathrm{kJ} \mathrm{mol}^{-1}$ is ..... . (Nearest integer)
$Compound\xrightarrow{{KMn{O_4}/{H^ \oplus }}}$
