All India Engineering / Architecture Entrance Examination (AIEEE)

CBSE Guess > AIEEE > AIEEE Papers > 2008 > Chemistry

AIEEE 2008 Chemistry

Q. 16. Toluene is nitrated and the resulting product is reduced with tin and hydrochloric acid. The product so obtained is diazotized and then heated with cuprous bromide. The reaction mixture so formed contains

1. mixture of o-; and p-bromoanilines
2. mixture of o- and m-bromotoluenes
3. mixture of o- and p-bromotoluenes
4. mixture of o- and p-dibromobenzenes

Sol:

Q. 17. In the following sequence of reactions, the alkene affords the compound 'B'

The compound B is

1. CH₃CH₂COCH₃
2. CH₃CHO
3. CH₃CH₂CHO
4. CH₃COCH₃

Sol:

Correct answer is (2)

Q. 18. Which one of the following pairs of species have the same bond order?

Sol: The species which have the same number of total electrons will have the same bond order.
CN^- and NO⁺ each have 14 electrons and they will have same bond order.