The geometry and magnetic behaviour of the complex [Ni(CO)4] respectively are:
1. Square planar and diamagnetic.
2. Tetrahedral and diamagnetic.
3. Square planar and paramagnetic.
4. Tetrahedral and paramagnetic.
The correct increasing order for the wavelengths of absorption in complexes of Co3+ is:
1. [Co(H2O)6]3+ < [Co(en)3]3+ < [Co(NH3)6]3 +
2. [Co(H2O)6]3+ < [Co(NH3)6]3+ < [Co(en)3]3+
3. [Co(NH3)6]3+ < [Co(en)3]3+ < [Co(H2O)6]3+
4. [Co(en)3]3+ < [Co(NH3)6]3+ < [Co(H2O)6]3+
The correct statement among the following regarding [Mn(CN)6]3-is:
1. It is sp3d2 hybridized and tetrahedral.
2. It is d2sp3 hybridized and octahedral.
3. It is dsp2 hybridised and square planar.
4. It is sp3d2 hybridised and octahedral.
The correct increasing order of trans-effect of the following species is
1. NH3 > CN- > Br- > C6H5-
2. CN- > C6H5- > Br- > NH3
3. Br- > CN- >NH3 > C6H5-
4. CN- > Br- >C6H5- >NH3
Which of the following has longest C-O bond length? (Free C-O bond length in CO is
1.128 Å.)
1. [Co(СО)4]-
2. [Fe(CO)4]2-
3. [Mn(CO)6]+
4. Ni(CO)4
Jahn-Teller effect is not observed in high spin complexes of?
1. d7
2. d8
3. d4
4. d9
Which of the following has the longest C —O bond length? (Free C—O bond length in CO is 1.128 Å)
Which of the following has the longest C —O bond length? (Free C—O bond length in CO is 1.128 )