Draw structures of the following:

(a) XeF₄ (b)S₂O₈^2-

Arrange the following in increasing order of their boiling point:

CH₃CH₂OH, CH₃CHO, CH₃-O-CH₃

Complete and balance the following equations-

(a) S + H₂SO₄ (conc.)

(b) PCl₃ + H₂O

OR

Write balanced chemical equations involved in the following reactions-

(a) Chlorine gas reacts with cold and dilute NaOH.

(b) Calcium phosphide is dissolved in water.

(a) Write the reaction that occurs at anode on electrolysis of concentrated H₂SO₄ using Platinum electrodes.

(b) What is the effect of temperature on ionic conductance?

Give reasons for the following:

(a) O-O single bond is weaker than S-S single bond.

(b) Tendency to show -3 oxidation state decreases from Nitogen(N) to Bismuth(Bi).

(c) Cl₂ acts as a bleaching agent.