1
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
Correct relation between dissociation constants of a dibasic acid is
A
Ka1 = Ka2
B
Ka1 > Ka2
C
Ka1 < Ka2
D
Ka1 = $${1 \over {{K_{{a_2}}}}}$$
2
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
Ionisation constant of CH3COOH is 1.7 $$ \times $$ 10$$-$$5 and concentration of H+ ions is 3.4 $$ \times $$ 10$$-$$4. Then find out initial concentration of CH3COOH molecules.
A
3.4 $$ \times $$ 10$$-$$4
B
3.4 $$ \times $$ 10$$-$$3
C
6.8 $$ \times $$ 10$$-$$4
D
6.8 $$ \times $$ 10$$-$$3
3
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
Which of the following is incorrect?
A
FeCl3 is used in detection of phenol.
B
Fehling solution is used in detection of glucose
C
Tollen's reagent is used in detection of unsaturation.
D
NaHSO3 is used in detection of carbonyl compound.
4
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
In steam distillation of toluene, the pressure of toluene in vapour is
A
equal to pressure of barometer
B
Less than pressure of barometer
C
equal to vapour pressure of toluene in simple distillation
D
more than vapour pressure of toluene in simple distillation.