मराठी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान इयत्ता ११

The addition of HBr to 1-butene gives a mixture of products A, B and C (A) (B) (C) CH3 – CH2 – CH2 – CH2 – Br The mixture consists of:

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प्रश्न

The addition of HBr to 1-butene gives a mixture of products A, B and C

(A)
(B)
(C) CH3 – CH2 – CH2 – CH2 – Br

The mixture consists of:

पर्याय

  • A and B as major and C as minor products

  • B as major, A and C as minor products

  • B as minor, A and C as major products

  • A and B as minor and C as major products

MCQ
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उत्तर

A and B as major and C as minor products

Explanation:

The reaction follows Markovnikov’s rule leading to giving 2° carbocation as an intermediate.

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पाठ 13: Hydrocarbons - Multiple Choice Questions (Type - I) [पृष्ठ १६२]

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एनसीईआरटी एक्झांप्लर Chemistry Exemplar [English] Class 11
पाठ 13 Hydrocarbons
Multiple Choice Questions (Type - I) | Q 5 | पृष्ठ १६२

संबंधित प्रश्‍न

An alkene ‘A’ on ozonolysis gives a mixture of ethanal and pentan-3-one. Write structure and IUPAC name of ‘A’.


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Butane


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Toluene


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Which of the following alkenes on ozonolysis give a mixture of ketones only?

(i) CH3 – CH = CH – CH3
(ii) \[\begin{array}{cc}
\ce{CH3 - C - CH = CH2}\\
|\phantom{.......}\\
\ce{CH3}\phantom{....}
\end{array}\]
(iii)
(iv) \[\begin{array}{cc}
\phantom{...................}\ce{CH3}\\
\phantom{..............}/\\
\ce{(CH3)2 C = C}\\
\phantom{..............}\backslash\\
\phantom{...................}\ce{CH3}
\end{array}\]

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(I) acid catalysed hydration

(II) HBO

(III) oxymercuration-demercuration


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An alkene ‘A’ contains three C – C, eight C – H σ bonds and one C – C π bond. ‘A’ on ozonolysis gives two moles of an aldehyde of molar mass 44 u. Write the IUPAC name of ‘A’.


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Identify the correct reagents that would bring about the following transformation.


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