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Karnataka Board PUCPUC Science 2nd PUC Class 12

Compounds A and C in the following reaction are: CHX3CHO→(ii) HX2O(i) CHX3MgBr(A)→HX2SOX4,Δ(B)→Hydroboration oxidation(C)

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Question

Compounds A and C in the following reaction are:

\[\ce{CH3CHO ->[(i) CH3MgBr][(ii) H2O] (A) ->[H2SO4, Δ] (B) ->[Hydroboration oxidation] (C)}\]

Options

  • identical

  • positional isomers

  • functional isomers

  • optical isomers

MCQ
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Solution

positional isomers

Explanation:

Thus, \[\begin{array}{cc}
\ce{CH3CH - OH}\\
|\phantom{....}\\
\ce{CH3}\phantom{..}
\end{array}\] and  \[\ce{CH3 - CH2 - CH2OH}\] are positional isomers.

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Chapter 12: Aldehydes, Ketones and Carboxylic Acids - Multiple Choice Questions (Type - I) [Page 170]

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NCERT Exemplar Chemistry Exemplar [English] Class 12
Chapter 12 Aldehydes, Ketones and Carboxylic Acids
Multiple Choice Questions (Type - I) | Q 9 | Page 170

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