রসায়ন ২য় পত্র প্রশ্ন

16.

শূণ্যস্থান পূরণ করোঃ
(i) ${}_{\phantom{0}}^{\phantom{0}}X + {}_{7}^{14}\text{N} = {}_{8}^{17}\text{O} + {}_{1}^{1}\text{H}$
(ii) $\mathrm{N}_{2} \, (\text{g}) + 2 \mathrm{H}_{2} \, (\text{g}) \underset{200 \, \mathrm{atm \, pressure}}{\stackrel{\underline{\hspace{3cm}}}{\longrightarrow}} 2 \mathrm{NH}_{3} + \underline{\hspace{0.8cm}} \, \mathrm{KJ \, mol^{-1}} \, (\text{at} \, 450^\circ - 550^\circ \, \mathrm{C}, \, \text{with Fe catalyst})$
(iii) $\mathrm{Sn}^{++++} + 2 \mathrm{e}^{-} \rightarrow \underline{\hspace{0.5cm}}$
(iv) 32 gms of $\mathrm{O}_{2}$ contain $\underline{\hspace{2cm}}$ molecules of oxygen.
(v) Equivalent w w t-g acid $= \frac{\underline{}}{\underline{\hspace{6cm}}}$