Which of the following pairs of complexes are isomeric with each other but their aqueous solutions exhibit different molar conductivities?
(a)
(b)
(c)
(d)
The two compounds pentaamminesulphatocobalt (III) bromide and pentaamminesulphatocobalt (III) chloride represent :
(1) Linkage isomerism
(2) Ionization isomerism
(3) Coordination isomerism
(4) No isomerism
Select the correct code about complex :
(I) | IUPAC name of the compound is pentaamminenitrito-N-chromium(III) tetrachlorozincate(II) |
(II) | It shows geometrical isomerism |
(III) | It shows linkage isomerism |
(IV) | It shows coordination isomerism |
1. | III, IV | 2. | I, III and IV |
3. | II, III and IV | 4. | I, II, III and IV |
In the isoelectronic series of metal carbonyl, the CO bond strength is expected to increase in the order:
(1)
(2)
(3)
(4)
Which is not true about metal carbonyls?
1. Here CO acts as a Lewis base as well as Lewis acid.
2. Here metal acts as Lewis base as well as Lewis acid.
3. Here back bonding takes place.
4. Here back bonding takes place.
[Fe(H2O)6]2+ and [Fe(CN)6]4- differ in:
1. Geometry and magnetic moment.
2. Geometry and hybridization.
3. Magnetic moment and colour.
4. Hybridization and number of d-electrons.
Which of the following complexes have a maximum number of unpaired electrons?
(a) (b)
(c) (d)
The degeneracy of d-orbitals is lost under:
(I) Strong field ligand (II) Weak field ligand
(III) Mixed field ligand (IV) Chelate
Choose the correct code:
(1) I,II and IV
(2) I and II
(3) I,II,III and IV
(4) I,II and III
Which of the following isomerism, exhibited by ?
(1)Ionization
(2) Geometrical
(3) Hydrate
(4) Linkage
How many geometrical isomers and stereoisomers are possible for respectively?
(a) 3 and 15 (b) 3 and 30
(c) 4 and 15 (d) 4 and 30