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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:
विकल्प
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
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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संबंधित प्रश्न
Propanal and pentan-3-one are the ozonolysis products of an alkene? What is the structural formula of the alkene?
Write a chemical equation for combustion reaction of the following hydrocarbon:
Butane
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) | \[\begin{array}{cc} \phantom{...................}\ce{CH3}\\ \phantom{..............}/\\ \ce{(CH3)2 C = C}\\ \phantom{..............}\backslash\\ \phantom{...................}\ce{CH3} \end{array}\] |
Which of the following reagent is used for the following reaction?
\[\ce{CH3CH2CH3 ->[?] CH3CH2CHO}\]
The major product formed in the following reactions is:
Select schemes A, B, C out of
(I) acid catalysed hydration
(II) HBO
(III) oxymercuration-demercuration
What would be the main product when propene reacts with HBr?
Propene, \[\ce{CH3 - CH = CH2}\] can be converted to 1-propanol by oxidation. Which set of reagents among the following is ideal to effect the conversion ______.
In the presence of peroxide, HCl and HI do not give anti-Markovnikov's addition of alkenes because ______.
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’.
