200 mL of an aqueous solution of a protein contains its 1.26 g. The osmotic pressure of this solution at 300 K is found to be 2.57 $$ \times $$ 10$$-$$3 bar. The molar mass of protein will be (R = 0.083 L bar mol$$-$$1 K$$-$$1)
A
51022 g mol$$-$$1
B
122044 g mol$$-$$1
C
31011 g mol$$-$$1
D
61038 g mol$$-$$1
2
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
Which of the statements about ''Denaturation'' given below are correct?
(1) Denaturation of proteins causes loss of secondary and tertiary structures of the protein.
(2) Denaturation leads to the conversion of double strand of DND into single strand.
(3) Denaturation affects primary structure which gets distorted.
A
(2) and (3)
B
(1) and (3)
C
(1) and (2)
D
(1), (2) and (3)
3
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
What of the following compounds is most basic?
A
B
C
D
4
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
The order of reactivity of phenyl magnesium bromide (PhMgBr) with the following compounds:
