AIPMT 2011 Solved Papers
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Chemistry 2011
Q. 41. Which one of the following is most reactive towards electrophilic reagent ?
Sol .
+R effect of OH > OCH3
Answer : (3)
Q. 42. Which one is a nucleophilic substitution reaction among the following?
Sol.
Fact
Answer : (4)
Q. 43. Considering the state of hybridization of carbon atoms, find out the molecule among the following which is linear?
(1) CH3 — CH2 — CH2— CH3 (2) CH3 — CH = CH— CH
(3) CH3 — C º C — CH3 (4) CH2= CH— CH2— C º CH
Sol .
Answer: (3)
Q. 44. In the following reactions,
Sol .
Answer: (3)
Q. 45. The Lassaigne's extract is boiled with conc. HNO3 while testing for halogens. By doing so it.
(1) Increase the concentration of ions
(2) Decomposes Na2S and NaCN, if formed
(3) Helps in the precipitation of AgCl
(4) Increases the solubility product of AgCl
Sol .
Fact
Answer: (2)