1
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].
2
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
In the silver plating of copper, K[Ag(CN)2] is used instead of AgNO3. The reason is
A
a thin layer of Ag is formed on Cu
B
more voltage is required
C
Ag+ ions are completely removed from solution
D
less availability of Ag+ ions, as Cu can not displace Ag from [Ag(CN)2]$$-$$ ion.
3
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
Coordination number of Ni in [Ni(C2O4)3]4$$-$$ is
A
3
B
6
C
4
D
2
4
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
Which of the following will give maximum number of isomers?
A
[Co(NH3)4Cl2]
B
[Ni(en)(NH3)4]2+
C
[Ni(C2O4)(en)2]2$$-$$
D
[Cr(SCN)2(NH3)4]+
NEET Subjects
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12