1
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
Atomic number of Cr and Fe are respectively 24 and 26, which of the following is paramagetic with the spin of electron?
A
[Cr(CO)6]
B
[Fe(CO)5]
C
[Fe(CN)6]4$$-$$
D
[Cr(NH3)6]3+
2
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
The hypothetical complex chloro diaquatriammine cobalt(III) chloride can be represented as
A
[CoCl(NH3)3(H2O)2]Cl2
B
[Co(NH3)3(H2O)Cl3]
C
[Co(NH2)3(H2O)2Cl]
D
[Co(NH3)3(H2O)3]Cl3
3
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
CuSO4 when reacts with KCN forms CuCN, which is insoluble in water. It is soluble in excess of KCN, due to formation of the following complex
A
K2[Cu(CN)4]
B
K3[Cu(CN)4]
C
CuCN2
D
Cu[KCu(CN)4].
4
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
Which has highest pH?
A
CH3COOK
B
Na2CO3
C
NH4Cl
D
NaNO3
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