What is the mass of $$\mathrm{KClO}_{3(\mathrm{~s})}$$ required to liberate 22. $$4 \mathrm{~dm}^3$$ oxygen at STP during thermal decomposition?

$$\left(\right.$$ Molar Mass of $$\left.\mathrm{KClO}_{3(\mathrm{~s})}=122.5 \mathrm{~g} / \mathrm{mol}\right)$$

Identify product $$\mathrm{B}$$ in the following reaction.

If $$0.15 \mathrm{~m}$$ aqueous solution of KCI freezes at $$-0.511^{\circ} \mathrm{C}$$, calculate van't Hoff factor of KCI (cryoscopic constant of water is $$1.86 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1})$$

Which among the following is NOT the feature of reversible process?