Chemistry NCERT Exemplar Solutions Class 12th Chapter Twelve

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 one that can exhibit highest paramagnetic behaviour among the following is: gly = glycinato $;$ bpy $=\mathrm{2,2}$  '-bipyridine

A sample of red ink (a colloidal suspension) is prepared by mixing eosine dye, egg white, $\mathrm{H}\mathrm{C}\mathrm{H}\mathrm{O}$  and water. The component which ensures stability of the ink sample 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: