MCQ
Formula of propanamide is :
- A$CH _3 CONH _2$
- B$HCONH _2$
- ✓$CH _3 CH _2 CONH _2$
- D$C _6 H _5 CONH _2$
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${N_2}\left( g \right) + {O_2}\left( g \right)\underset{{{k_2}}}{\overset{{{k_1}}}{\longleftrightarrow}}2NO\left( g \right)$
$C_0 = Ce^{-2.1×10^{-3}\ t}$ for the forward reaction and
$C_0'= C'e^{-4.2×10^{-4}\ t}$ for the backward reaction, hence $K_c$ for the above equilibrium is