CBSE
Multiple Choice QuestionsWhich of the following does not have optical isomer?
[Co(NH3)3Cl3]
[Co(en)3]Cl3
[Co(en)2Cl2]Cl
[Co(en)(NH3)2Cl2]Cl
Assertion : The [Ni(en)3]Cl2 (en = ethylene diamine) has lower stability than [Ni(NH3)6]Cl5.
Reason : In [Ni(en)3]Cl2 the geometry of Ni is trigonal bipyramidal.
If both assertion and reason are true and reason is the correct explanation of assertion
If both assertion and reason are true but reason is not the correct explanation of assertion
If assertion is true but reason is false
If both assertion and reason are false.
Which of the following is not considered as an organometallic compound?
cis-Platin
Ferrocene
Zeise's salt
Grignard reagent
Which one ofthe following forms with an excess of CN- (cyanide) a complex having coordination number two?
Cu+
Ag+
Ni2+
Fe2+
The complex used as an anti-cancer agent is
mer-[Co(NH3)3Cl3]
cis-[PtCl2(NH3)2]
cis-K2[PtCl2Br2]
Na2[CoCl4]
Which of the following molecule or ions is a bidentate ligand?
The colourless species is
VCl3
VOSO4
Na3VO4
[V(H2O)]SO4.H2O
In the following compound, the number of sp-hybridised carbons are
CH2 = C = CH - CN(CH) - C ≡ CH
2
3
4
5
What is the co-ordination number of sodium in Na2O?
6
4
8
2
CO is practically non-polar since
the sigma electron drift from C to O is almost nullified by the pi-electron drift from O to C
the sigma electron drift from O to C is almost nullified by the pi-electron drift from C to O
the bond moment is low
there is a triple bond between C and O
