1
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
Calculate the pOH of a solution at 25oC that contains 1 $$ \times $$ 10$$-$$10 M of hydronium ions, i.e. H3O+.
A
4.000
B
9.000
C
1.000
D
7.000
2
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
A weak acid, HA, has a Ka of 1.00 $$ \times $$ 10$$-$$5. If 0.100 mol of this acid is dissolved in one litre of water, the percentage of acid dissociated at equilibrium is closest to
A
1.00%
B
99.9%
C
0.100%
D
99.0%
3
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
The order of decreasing reactivity towards an electrophilic reagent, for the following would be
(i) benzene
(ii) toluene
(iii) chlorobenzene
(iv) phenol
A
(ii) > (iv) > (i) > (iii)
B
(iv) > (iii) > (ii) > (i)
C
(iv) > (ii) > (i) > (iii)
D
(i) > (ii) > (iii) > (iv)
4
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
Which of the compound with molecular formula C5H10 yields acetone on ozonolysis?
A
3-Methyl- 1 -butene
B
Cyclopentane
C
2-Methyl-1-butene
D
2-Methyl-2-butene