PYQ NEET- ରାସାୟନିକ ସମତଳତା-1 L-5
ପ୍ରଶ୍ନ: ନିମ୍ନଲିଖିତ ରାସାୟନିକ ସମତଳତା ଗୁଡ଼ିକର ସମତଳତା ସମ୍ପତି
$$ \begin{aligned} & \mathrm{N}_2+3 \mathrm{H}_2 \rightleftharpoons 2 \mathrm{NH}_3 ; \quad \mathrm{K}_1 \ & \mathrm{~N}_2+\mathrm{O}_2 \rightleftharpoons 2 \mathrm{NO} ; \quad \mathrm{K}_2 \ & \mathrm{H}_2+\frac{1}{2} \mathrm{O}_2 \rightleftharpoons \mathrm{H}_2 \mathrm{O} ; \quad \mathrm{K}_3 \end{aligned} $$
ପ୍ରତିକ୍ରିୟା : $2 \mathrm{NH}_3+\frac{5}{2} \mathrm{O}_2 \rightleftharpoons 2 \mathrm{NO}+3 \mathrm{H}_2 \mathrm{O}$ ର ସମତଳତା ସମ୍ପତି $(\mathrm{K})$ ରେ ଥିବା ହେବ
A) $\mathrm{K}_2 \mathrm{~K}_3{ }^3 / \mathrm{K}_1$
B) $\mathrm{K}_2 \mathrm{~K}_3 / \mathrm{K}_1$
C) $\mathrm{K}_2{ }^3 \mathrm{~K}_3 / \mathrm{K}_1$
D) $\mathrm{K}_1 \mathrm{~K}_3{ }^3 / \mathrm{K}_2$
ଉତ୍ତର: $\mathrm{K}_2 \mathrm{~K}_3{ }^3 / \mathrm{K}_1$
ସମାଧାନ:
$$ \begin{aligned} & 2 \mathrm{NH}_3 \rightleftharpoons \mathrm{N}_2+3 \mathrm{H}_2 ; \quad \frac{1}{K_1} \ & \mathrm{~N}_2+\mathrm{O}_2 \rightleftharpoons 2 \mathrm{NO} ; \quad \mathrm{K}_2 \ & 3 \mathrm{H}_2+\frac{3}{2} \mathrm{O}_2 \rightleftharpoons 3 \mathrm{H}_2 \mathrm{O} ; \quad\left(\mathrm{K}_3\right)^3 \end{aligned} $$
ସମସ୍ତ ସମକାଲଗୁଡ଼ିକୁ ଯୋଗ କରିବାରେ ଲଭିତ ହୁଏ
$$
\begin{aligned}
& 2 \mathrm{NH}_3+\frac{5}{2} \mathrm{O}_2 \rightleftharpoons 2 \mathrm{NO}+3 \mathrm{H}_2 \mathrm{O} \
& \therefore \mathrm{K}=\frac{K_2 \times\left(K_3\right)^3}{K_1}
\end{aligned}
$$