CHEMISTRY XII SET -1

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ORGANIC – CHEMISTRY (SAMPLE QUESTION) SET-1
                                                                                                   MM  -30
Q1-Explain of the following- (2x3)
a-Why only phenol show acidic nature but other alcohol not?
b-Why aniline have more Pka value then methyl amine?
c-Why aniline does not give friedal craft reaction?

Q2-write short notes on the following reaction—(2x4)

a-Garbriel pthalamide reaction.
b -Halloform recation.
c-carbylamine reaction.
d-Reimer tiemann reaction.

Q3- How you will convert the following- (2x3)
a-Phenol into asprin.
b-Acetaldehyde into 3-hydroxybutanoic acid.
c-Propanamine into ethanamine.

Q4-How you wil differenciate between the following- (2x3)
a-Phenol and ethyl alcohol.
b-Aniline and N-methyl aniline.
c.Pentane 2- one and pentane 3- one.

Q5-Compound A having general formula C8 H 8O ,give Tollen test and undergoes cannizaro reaction.This compound B (C 8H 6 O 2 )on vigorous oxidation, give compound B which react with excess of NaOH give benene. Find out A and B. write proper reaction where required? (4)

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