1
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Which one of the following does not exhibit the phenomenon of mutaroation?
A
(+) Sucrose
B
(+) Lactose
C
(+) Maltose
D
($$-$$) Fructose
2
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Which of the following statements about primary amines is false?
A
Alkyl amines are stronger bases than aryl amines.
B
Alkyl amines react with nitrous acid to produce alcohols.
C
Aryl amines react with nitrous acid to produce phenols.
D
Alkyl amines are stronger bases than ammonia.
3
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
A solution of sucrose (molar mass = 342 g mol$$-$$) has been prepared by dissolving 68.5 g of sucrose in 1000 g of water. The freezing point of the solution obtained will be (Kf for water = 1.86 K kg mol$$-$$1)
A
$$-$$ 0.372oC
B
$$-$$ 0.520oC
C
+ 0.372oC
D
$$-$$ 0.570oC
4
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
An aqueous solution is 1.00 molal in KI. Which change will cause the vapour pressure of the solution to increase?
A
Addition of NaCl
B
Addition of Na2SO4
C
Addition of 1.00 molal KI
D
Addition of water