These are Assertion-Reason type questions. Each of these question contains two statements:Statement-1 (Assertion) and Statement-2 (Reason). Answer these questions from the following four options.

Statement-1 :Magnetic moment values of actinides are lesser than the theoretically predicted values.

Statement-2 :Actinide elements are strongly paramagnetic.

These are Assertion-Reason type questions. Each of these question contains two statements:Statement-1 (Assertion) and Statement-2 (Reason). Answer these questions from the following four options.

Statement-1 :Transition metals are good catalysts.

Statement-2 : V₂O₅ or Pt is used in the preparation of H₂SO₄ by contact process.

These are Assertion-Reason type questions. Each of these question contains two statements:Statement-1 (Assertion) and Statement-2 (Reason). Answer these questions from the following four options.

Statement-1 :Transition metals show variable valency.

Statement-2 :Transition metals have a large energy difference between the ns² and (n – 1)delectrons.

These are Assertion-Reason type questions. Each of these question contains two statements:Statement-1 (Assertion) and Statement-2 (Reason). Answer these questions from the following four options.

Statement-1 :Cuprous ion (Cu⁺) has unpaired electrons while cupric ion(Cu⁺⁺) does not.

Statement-2 :Cuprous ion (Cu⁺) is colourless whereas cupricion (Cu⁺⁺) is blue in the aqueous solution

Four successive members of the first row transition elements are listed below with atomic numbers. Which one of them is expected to have the highest E°_{M³⁺/M²⁺} value ?