Which of the following is NOT a correct method of the preparation

(i) $\mathrm{HCl} / \mathrm{H}_{2} \mathrm{O}$

(ii) $\mathrm{NaBH}_{4}$

(i) $\mathrm{LiAIH}_{4}$

(ii) $\mathrm{H}_{3} \mathrm{O}^{+}$

(i) $\mathrm{SnCl}_{2}+\mathrm{HCl}($ gas $)$

(ii) $\mathrm{NaBH}_{4}$

$\mathrm{H}_{2} / \mathrm{Ni}$