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CBSE Class 12 Chemistry 2020 Delhi Set 1 Solved Paper

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Question : 31 of 37
Marks: +1, -0
Identify A, B, C, D, E and F in the following:
Solution:  
AA is CH3−C∣CH3=CH2\mathrm{CH}_3- \underset{\mathrm{CH}_3}{\underset{\vert}{\mathrm{C}}}= \mathrm{CH}_2
BB is CH3−C∣CH3∣CH3−Br\mathrm{CH}_3- {\overset{\mathrm{CH}_3}{\overset{\vert}{\mathrm{C}}}}_{\underset{\mathrm{CH}_3}{\vert}}- \mathrm{Br}
CC is CH3−C∣oversetCH3CH3∣−C∣oversetCH3CH3∣−CH3\mathrm{CH}_3- \underset{\text{overset}}{\underset{\vert}{\mathrm{C}}}\mathrm{CH}_3\overset{\vert}{\mathrm{CH}_3}- \underset{\text{overset}}{\underset{\vert}{\mathrm{C}}}\mathrm{CH}_3\overset{\vert}{\mathrm{CH}_3}- \mathrm{CH}_3
DD is CH3−CH∣CH3−CH2 MgBr\mathrm{CH}_3- \underset{\mathrm{CH}_3}{\underset{\vert}{\mathrm{CH}}}- \mathrm{CH}_2\ \mathrm{MgBr}
EE is CH3−CH∣CH3−CH3\mathrm{CH}_3- \underset{\mathrm{CH}_3}{\underset{\vert}{\mathrm{CH}}}- \mathrm{CH}_3
FF is CH3 CH∣CH3−CH2−OC2H5\mathrm{CH}_3\ \underset{\mathrm{CH}_3}{\underset{\vert}{\mathrm{CH}}}- \mathrm{CH}_2- \mathrm{OC}_2\mathrm{H}_5
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