From the stability constant (hypothetical values)given below, predict which is the strongest ligand?
1. Cu2++4NH3[Cu(NH3)4]2+;(k=4.5x1011)
2. Cu2++4CN[Cu(CN)4]2-;(K=2.0x1027)
3. Cu2++2en[Cu(en)2]2+;(K=3.0x1015)
4. Cu2++4H2O[Cu(H2O)4]2+;(K=9.5x108)
According to IUPAC nomenclature sodium nitroprusside is named as
1. sodium pentacyanonitrosyl ferrate(II)
2. sodium pentacyanonitrosyl ferrate(III)
3. sodium nitroferricyanide
4. sodium nitroferrocyanide
The compound that is not -bonded organometallic compound is :
1. K[PtCl3(-C2H4)]
2. Fe(-C5H5)2
3. Cr(-C6H6)2
4. (CH3)4Sn
The correct IUPAC name of KAl(SO4)2.12H2O is:
1. Aluminium potassium sulphate-12-water
2. Potassium aluminium(III)sulphate-12-water
3. Potassium aluminate(III)sulphatehydrate
4. Aluminium(III) potassium sulphate hydrate-12
The complex among the following that exhibits a spin-only magnetic moment of 2.82 B.M. is:
1. Ni(CO)4
2. [NiCl4]2-
3. Ni(PPh3)4
4. [Ni(CN)4]2-
Atomic number of Cr and Fe are respectively 24 and 26 which of the following is paramagnetic with the spin of electron?
1. [Cr(CO)6]
2. [Fe(CO)5]
3. [Fe(CN)6]4-
4. [Cr(NH3)6]3+
Which compound among the following does not exhibit paramagnetism?
1. [Cu(NH3)4]Cl2
2. FeO
3. NO
4. N2O4
The complex with a square planar shape and dsp2 hybridization among the following is:
1. [Ni(CN)4]2-
2. [Cu(NH3)4]2+
3. [PtCl4]2-
4. All of these
Which of the following has regular tetrahedral geometry?
1. | [Ni(CN)4]–2 | 2. | SF4 |
3. | [BF4]– | 4. | XeF4 |
Out of TiF62-,CoF63-, Cu2Cl2 and NiCl42-(At. no. Z of Ti=22, Co=27, Cu=29, Ni=28), the colourless species are
1. TiF62- and CoF63-
2. Cu2Cl2 and NiCl42-
3. TiF62- and Cu2Cl2
4. CoF63- and NiCl42-