Coordination Compounds

Number of paramagnetic complexes among the following is . [MnBr4]2-, [NiCl4]2-, [Ni(CN)4]2-, [Ni(CO)4], [CoF6]3-, [Fe(CN)6]4-, [Mn(CN)6]3-, [Ti(CN)6]3-, [Cu(H2O)6]2+, [Co(C2O4)3]3-

Match the LIST-I with LIST-II

1. A-III, B-IV, C-II, D-I
2. A-III, B-I, C-IV, D-II
3. A-III, B-IV, C-I, D-II
4. A-II, B-I, C-IV, D-III

Which of the following are true about the energy of the given d-orbitals of a tetrahedral complex? Choose the correct answer from the options given below :

1. A, B and D only
2. A and B only
3. B and D only
4. B, C and D only

Which of the following sequences of hybridisation, geometry and magnetic nature are correct for the given coordination compounds ? Choose the correct answer from the options given below :

1. A, B, C and D
2. B, C and D only
3. A, C and D only
4. A, B and D only

An excess of AgNO3 is added to 100 mL of a 0.05 M solution of tetraaquadichloridochromium (III) chloride. The number of moles of AgCl precipitated will be 10-3. (Nearest integer)

The correct statements about metal carbonyls are Choose the correct answer from the options given below :

1. A and B Only
2. A, C and D Only
3. B and C Only
4. A and D Only

Given below are two statements: In the light of the above statements, choose the correct answer from the options given below

1. Both Statement I and Statement II are correct
2. Both Statement I and Statement II are incorrect
3. Statement I is correct but Statement II is incorrect
4. Statement I is incorrect but Statement II is correct

Identify the correct statements from the following Choose the correct answer from the options given below :

1. A, B, C, D and E
2. B, C and D only
3. A, C and D only
4. A, C and E only

The total number of unpaired electrons present in the d3, d4 (low spin) d5 (high spin), d6 (high spin) and d7 (low spin) octahedral complex systems is .

Consider the metal complexes [Ni(en)3]2+ (A), [NiCl4]2- (B) and [Ni(NH3)6]2+ (C). Choose the CORRECT option by considering the number of unpaired electrons present in (A), (B) and (C) respectively and the order of frequency of absorption.

1. 2, 2, 2 and (A) > (C) > (B)
2. 0, 2, 0 and (A) > (C) > (B)
3. 2, 2, 0 and (B) > (C) > (A)
4. 2, 2, 2 and (C) > (A) > (B)