1
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
A solution has a 1 : 4 mole ratio of pentane to hexane. The vapour pressures of the pure hydrocarbons at 20oC are 440 mm Hg for pentane and 120 mm Hg for hexane. The mole fraction of pentane in the vapour phase would be
A
0.200
B
0.549
C
0.786
D
0.478
2
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
The mass of carbon anode consumed (giving only carbon dioxide) in the production of 270 kg of aluminium metal from bauxite by the Hall process is
(Atomic mass : Al = 27)
A
270 kg
B
540 kg.
C
90 kg
D
180 kg
3
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
The rate of reaction between two reactions A and B decreases by a factor of 4 if the concentration of reactant B is doubled. The order of this reaction with respect to reactant B is
A
2
B
$$-$$2
C
1
D
$$-$$1
4
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Aniline in a set of reactions yielded a product D.
AIPMT 2005 Chemistry - Organic Compounds Containing Nitrogen Question 25 English
The structure of the product D would be
A
C6H5NHOH
B
C6H5NHCH2CH3
C
C6H5CH2NH2
D
C6H5CH2OH