Give the IUPAC names of the following compounds: (2)
(i)
CH3CHCHCH3
CN
CH3
(ii) CH3CH2OCH2CHCH3
CH3
b) Explain the type of hybridisation present in ethyne using suitable diagrams. (3)
2. Explain asymmetric synthesis using suitable examples. (5)
3. Draw and explain the energy profile associated with ring flipping of chair conformation
of cyclohexane.
(5)
4. Give reasons for the following: (2+2+1)
(i) 2, 2-Dimethylpropane has higher melting point than pentane.
(ii) -carotene is red in color.
(iii) The region of IR spectrum between 675 cm1
and 1250 cm1
is called fingerprint
region.
5. What is tautomerism? How is it different from resonance?
1
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2020-06-24T04:54:24-0400
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