Balance the following equations by oxidation number method - \({ K }Mno_{ 4 }+{ Na }_{ 2 }{ So }_{ 3 }\longrightarrow { MnO }_{ 2 }+{ Na }_{ 2 }{ So }_{ 4 }+KOH\)

How many electrons in sulphur (z = 16) can have n + 1 = 3?

Oxygen an fluorine have lower electron affinity, then sulphur and chlorine in their respective groups. Explain why?

How is deuterium prepared from heavy water?

Account for the low solubility of lithium fluoride in water.

Derive the units of the vanderwaal's constants.

Define heat of solution.

"At constant volume addition of inert gas has no effect on equilibrium" - Justify

Define mole fraction of a component in a solution ?

(i) x, Y and Z elements have 4, 5 and 7 valence electrons. Draw the structure of XH₄, YH_5,YH₃ and H-Z.
Which of these compounds possess highest dipole moment ?