Tetrahalides of group $14$ elements (except that of carbon) act as

For the reaction $N_{2(g)} + O_{2(g)} \rightleftharpoons 2NO_{(g)}$,the equilibrium constant $(K_c)$ at temperature $T$ is $4 \times 10^{-4}$. What is the value of $K_c$ for the reaction $NO_{(g)} \rightleftharpoons 1/2 N_{2(g)} + 1/2 O_{2(g)}$ at the same temperature?

If $A$ and $B$ are two sets,then $A \cap (A \cup B)'$ is equal to

Which of the following compounds is not chiral?

In the leaf,vascular bundles are found in the

Which of the following organisms belongs to the Kingdom $Monera$?