Aqueous solution of Ni2+ contains [Ni(H2O)6]2+ and its magnetic moment is 2.83 BM. When ammonia is added in it, the magnetic moment of solution:
1. Will remain the same.
2. Will increase from 2.83 BM.
3. Will decrease from 2.83 BM.
4. Cannot be predicted theoretically.
Which of the following is true about the complex ?
(1) It exhibits geometrical isomerism
(2) It is a paramagnetic complex
(3) Its geometry is a tetrahedron
(4) Platinum is hybridized
Complex compound will be:
(1) colourless and diamagnetic
(2) green coloured and diamagnetic
(3) green coloured and shows coordination isomerism
(4) diamagnetic and shows linkage isomerism
An aqueous solution of titanium chloride, when subjected to magnetic measurement, measured to zero magnetic moment. Assuming the octahedral complex in aqueous solution, the formula of the complex is :
(a) (b)
(c) (d)
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.