1
AIEEE 2011
MCQ (Single Correct Answer)
+4
-1
Identify the compound that exhibits tautomerism.
A
Lactic acid
B
2-Pentanone
C
Pheno
D
2- Butene
2
AIEEE 2011
MCQ (Single Correct Answer)
+4
-1
A vessel at 1000 K contains CO2 with a pressure of 0.5 atm. Some of the CO2 is converted into CO on the addition of graphite. If the total pressure at equilibrium is 0.8 atm, the value of K is :
A
3 atm
B
0.3 atm
C
0.18 atm
D
1.8 atm
3
AIEEE 2011
MCQ (Single Correct Answer)
+4
-1
The entropy change involved in the isothermal reversible expansion of 2 moles of an ideal gas from a volume of 10 dm3 to a volume of 100 dm3 at 27oC is :
A
35.8 J mol-1 K−1
B
32.3 J mol-1 K−1
C
42.3 J mol-1 K−1
D
38.3 J mol-1 K−1
4
AIEEE 2011
MCQ (Single Correct Answer)
+4
-1
A 5.2 molal aqueous solution of methyl alcohol, CH3OH, is supplied. What is the mole fraction of methyl alcohol in the solution ?
A
0.190
B
0.086
C
0.050
D
0.100

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