1
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.
2
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
Which has maximum molecules?
A
7 g N2
B
2 g H2
C
16 g NO2
D
16 g O2
3
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
In hydrogen atom, energy of first excited state is $$-$$ 3.4 eV. Then find out K.E. of same orbit of hydrogen atom
A
+3.4 eV
B
+6.8 eV
C
$$-$$ 13.6 eV
D
+13.6 eV
4
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
2A $$ \to $$ B + C

It would be a zero order reaction when
A
the rate of reaction is proportional to square of concentration of A
B
The rate of reaction remains same at any concentration of A
C
the rate remains unchanged at any concentration of B and C
D
the rate of reaction doubles if concentrations of B is increased to double.
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