Coordination Compounds

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

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

The coordination geometry around the manganese in decacarbonyldimanganese(0) is

1. Trigonal bipyramidal
2. Square pyramidal
3. Square planar
4. Octahedral

Number of complexes which show optical isomerism among the following is . cis- [Cr(ox)2Cl2]3-, [Co(en)3]3+, cis- [Pt(en)2Cl2]2+, cis- [Co(en)2Cl2]+, trans- [Pt(en)2Cl2]2+, trans- [Cr(ox)2Cl2]3-

Match List I with List II Choose the correct answer from the options given below:

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

In which one of the following metal carbonyls, CO forms a bridge between metal atoms?

1. [Os3(CO)12]
2. [Ru3(CO)12]
3. [Mn2(CO)10]
4. [Co2(CO)8]

The correct IUPAC name of K2MnO4 is

1. Potassium tetraoxidomanganate (VI)
2. Dipotassium tetraoxidomanganate (VII)
3. Potassium tetraoxopermanganate (VI)
4. Potassium tetraoxidomanganese (VI)

Consider the following complex ions P = [FeF6]3- Q = [V(H2O)6]2+ R = [Fe(H2O)6]2+ The correct order of the complex ions, according to their spin only magnetic moment values (in B.M.) is :

1. R < Q < P
2. R < P < Q
3. Q < R < P
4. Q < P < R

Identify from the following species in which d2sp3 hybridization is shown by central atom :

1. [Co(NH3)6]3+
2. SF6
3. [PtCl4]2-
4. BrF5

The Spin only magnetic moment value of square planar complex [Pt(NH3)2Cl(NH2CH3)]Cl is B.M. (Nearest integer) (Given atomic number for Pt = 78)