1
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
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 2002
MCQ (Single Correct Answer)
+4
-1
Which has highest pH?
A
CH3COOK
B
Na2CO3
C
NH4Cl
D
NaNO3
4
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
Which of the following is isoelectronic?
A
CO2, NO2
B
NO2$$-$$, CO2
C
CN$$-$$, CO
D
SO2, CO2