A solution has an osmotic pressure of '$$x$$' $$\mathrm{kPa}$$ at $$300 \mathrm{~K}$$ having 1 mole of solute in $$10.5 \mathrm{~m}^3$$ of solution. If it's osmotic pressure is reduced to $$\left(\frac{1}{10}\right)$$th of it's initial value, what is the new volume of solution?

Identify the catalyst $$X$$ used in following reaction.

$$\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{Br}+2[\mathrm{H}] \xrightarrow{X} \mathrm{CH}_3-\mathrm{CH}_3+\mathrm{HBr}$$

Which of the following statements is true for carbonyl group?

Mixture of iodine and sodium sulphate is separated by ............... .