Discuss the pattern of variation in the oxidation states of (i) B to Tl and (ii) C to Pb.

Discuss the pattern of variation in the oxidation states of (a) B to TI and (b) C to Pb .

Oxidation state of nitrogen in H-N equiv C is

Predict the highest and lowest oxidation state of (a) Ti and (b) Tl

Match the statements given in Column I with the oxidation states given in Column II.

Name the following: (a) A transition metal which does not exhibit variation in oxidation state in its compounds. (b) A compound where the transition metal is the +7 oxidation state. (c) A member of the lanthanoid series which is well known to exhibit +4 oxidation state. (d) Ore used in the preparation of Potassium dichromate.

Discuss the properties of group 13 elements with reference to oxidation states

Match column I and column II for the oxidation states of the central atoms.

What is the covalency of B in [B(OH)_(4)] and its oxidation state ?

Match the compounds given in column I with oxidation states of carbon given in column II and mark the appropriate choice.

Why Al^(3+) is the only stable oxidation state of Al in its compounds while Tl has +1 and +3 oxidation states?