IIT-JEE-Chemistry-Final Revision Set No.88

1. The IUPAC name of [Ni(NH3)4] [NiCI4] is

(A) Tetrachloronickel (II) - tetraamminenickel (II)

(B) Tetraamminenickel (II) - tetrachloronickel (II)

(C) Tetraamminenickel (II) - tetrachloronickelate (II)

(D) Tetrachloronickel (II) - tetraaminenickelate (0)

2. STATEMENT-1 : Aniline on reaction with NaNO2/HCI at 0°C followed by coupling with β-naphthol gives a dark blue coloured precipitate.

and

STATEMENT-2 : The colour of the compound formed in the reaction of aniline with NaNO2/HCI at 0°C followed by coupling with b-naphthol is due to the extended conjugation.

(A) Statement-1 is True, Statement-2 is True, Statement-2 is a correct explanation for statement-1.

(B) Statement-1 is True, Statement-2 is True, Statement-2 is not a correct explanation for statement-1.

(C) Statement-1 is True, Statement-2 is False

(D) Statement-1 is False, Statement-2 is True

3. STATEMENT-1 : [Fe(H2O)5NO]SO4 is paramagnetic.

and

STATEMENT-2 : The Fe in [Fe(H2O)5NO]SO4 has three unpaired electrons.

(A) Statement-1 is True, Statement-2 is True, Statement-2 is a correct explanation for statement-1.

(B) Statement-1 is True, Statement-2 is True, Statement-2 is not a correct explanation for statement-1.

(C) Statement-1 is True, Statement-2 is False

(D) Statement-1 is False, Statement-2 is True

4. STATEMENT-1 : The geometrical isomers of the complex [M(NH3)4CI2] are optically inactive.

and

STATEMENT-2 : both geometrical isomers of the complex [M(NH3)4CI2] possess axis of symmetry.

(A) Statement-1 is True, Statement-2 is True, Statement-2 is a correct explanation for statement-1.

(B) Statement-1 is True, Statement-2 is True, Statement-2 is not a correct explanation for statement-1.

(C) Statement-1 is True, Statement-2 is False

(D) Statement-1 is False, Statement-2 is True

5. Electrolysis of dilute aqueous NaCI solution was carried out by passing 10 milli ampere current. The time required to liberate 0.01 mol of H2 gas at the cathode is (1 Faraday = 96500 C mol^-1)

(A) 9.65 × 10⁴ sec

(B) 19.3 × 10⁴ sec

(C) 28.95 × 10⁴ sec

(D) 38.6 × 10⁴ sec


Soucre iit jee paper 2 2008