1
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
The correct IUPAC name for the compound is

AIPMT 2011 Prelims Chemistry - Some Basic Concepts of Organic Chemistry Question 76 English
A
4-ethyl-3-propylhex-1-ene
B
3-ethyl-4-ethenylheptane
C
3-ethyl-4-propylhex-5-ene
D
3-(1 -ethylpropyl)hex- 1 -ene.
2
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
Which of the following is least likely to behave as Lewis base?
A
H2O
B
NH3
C
BF3
D
OH$$-$$
3
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
A buffer solution is prepared in which the concentration of NH3 is 0.30 M and the concentration of NH+4 is 0.20 M. If the equilibrium constant, Kb for NH3 equals 1.8 $$ \times $$ 10$$-$$5, what is the pH of this solution? (log 2.7 = 0.43)
A
9.08
B
9.43
C
11.72
D
8.73
4
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
For the reaction, N2(g) + O2(g) $$\rightleftharpoons$$ 2NO(g), the equilibrium constant is K1. The equilibrium constant is K2 for the reaction,
2NO(g) + O2(g) $$\rightleftharpoons$$ 2NO2(g)
What is K for the reaction,
NO2(g) $$\rightleftharpoons$$ $${1 \over 2}$$N2(g) + O2(g)
A
$${1 \over {2{K_1}{K_2}}}$$
B
$${1 \over {4{K_1}{K_2}}}$$
C
$${\left[ {{1 \over {{K_1}{K_2}}}} \right]^{1/2}}$$
D
$${1 \over {{K_1}{K_2}}}$$