AIPMT 2011 Solved Papers
AIPMT Examination
AIPMT Solved / Unsolved Papers
AIPMT Important Links
Chemistry 2011
Q. 36.
The value of ΔH for the reaction 
(1) High pressure and low temperature
(2) High temperature and high pressure
(3) Low pressure and low temperature
(4) High temperature and low pressure
Sol:
Δ ng = –ve and ΔH = –ve
Answer : (1)
Q. 37. Of the following which one is classified as polyester polymer?
(1) Nylon-66 (2) Terylene
(3) Backelite (4) Melamine
Sol:
Terylene is a polyester polymer because it is formed by the monomer units terephthalic acid and ethylene glycol
Answer : (2)
Q. 38. What is the product obtained in the following reaction
Sol:
Answer : (2)
Q. 39. In a set of reactions m-bromobenzoic acid gave a product D. Identify the product D.
Sol:
Answer : (4)
Q. 40. In Dumas' method of estimation of nitrogen 0.35 g of an organic compound gave 55 mL of nitrogen collected at 300 K temperature and 715 mm pressure. The percentage composition of nitrogen in the compound would be (Aqueous tension at 300 K = 15 mm)
(1) 14.45 (2) 15.45
(3) 16.45 (4) 17.45
Sol:
Answer : (3)