KCET 2021

The third ionisation enthalpy is highest in

Which of the following is not true for oxidation?

The property of the alkaline earth metals that increases with their atomic number is

The correct statement regarding defects in solid is

A metal crystallises in bcc lattice with unit cell edge length of \(300 \mathrm{~pm}\) and density \(615 \mathrm{~g~cm}^{-3}\). The molar mass of the metal is

In chrysoberyl, a compound containing beryllium, aluminium and oxygen, oxide ions form cubic close packed structure. Aluminium ions occupy \(\frac{1}{4}\)th of octahedral voids. The formula of the compound is

A pure compound contains \(2.4 \mathrm{~g}\) of \(\mathrm{C}, 1.2 \times 10^{23}\) atoms of \(\mathrm{H}, 0.2\) moles of oxygen atoms. Its empirical formula is

When the absolute temperature of ideal gas is doubled and pressure is halved, the volume of gas

Zeta potential is

A colloidal solution is subjected to an electric field than colloidal particles more towards anode. The amount of electrolytes of \(\mathrm{BaCl}_2, \mathrm{AlCl}_3\) and \(\mathrm{NaCl}\) required to coagulate the given colloid is in the o...