Chemistry

An alkaline earth metal ' $M$ ' readily forms water soluble sulphate and water insoluble hydroxide. Its oxide $\mathrm{M}\mathrm{O}$ is very stable to heat and does not have rock-salt structure. $\mathrm{M}$ is:

The mechanism of action of "Terfenadine" (Seldane) is :

The major product $\left[\mathrm{B}\right]$ in the following reactions is:

The major product $\left[\mathrm{B}\right]$  in the following reactions is:

The major product $\left[\mathrm{C}\right]$  in the following reaction sequence will be:

The major product $\left[R\right]$  in the following sequence of reactions is:

The major product $\left[R\right]$  in the following sequence of reactions is:

In the following reaction sequence, $\left[\mathrm{C}\right]$ is:

Which of the following compounds will form the precipitate with aq. ${\mathrm{A}\mathrm{g}\mathrm{N}\mathrm{O}}_3$  solution most readily?

If the equilibrium constant for $A\rightleftharpoons B+C$ is $K_{\left(\text{eq}\right)}^{\left(1\right)}$ and that of $B+C\rightleftharpoons P$ is $K_{\left(\text{eq}\right)}^{\left(2\right)}$ , the equilibrium constant for $\mathrm{A}\rightleftharpoons \mathrm{P}$  is: