Jahn-Teller effect is not observed in high spin complexes of?
1. d7
2. d8
3. d4
4. d9
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.
1. | Geometrical isomerism | 2. | Coordination isomerism |
3. | Ionization isomerism | 4. | Linkage isomerism |
Iron carbonyl, , is classified as:
1. | Tetranuclear | 2. | Mononuclear |
3. | Trinuclear | 4. | Dinuclear |
Which of the following has the longest C —O bond length? (Free C—O bond length in CO is 1.128 Å)
The correct increasing order of trans-effect of the following species is:
1.
2.
3.
4.
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+
An example of a sigma bonded organometallic compound is:
1. Grignard's reagent
2. Ferrocene
3. Cobaltocene
4. Ruthenocene
Which of the following statements is false?
1. Ca2+ ions are important in blood clotting
2. Ca2+ ions are not important in maintaining the regular beating of the heart
3. Mg2+ ions are important in the green parts of plants
4. Mg2+ ions form a complex with ATP
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