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Question
Which of the products will be major product in the reaction given below? Explain.
\[\ce{CH3CH = CH2 + HI -> \underset{(A)}{CH3CH2CH2I} + \underset{(B)}{CH3CHICH3}}\]
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Solution
In the given reaction, (B) is the major product of the reactions. To Markownikoff’s rule, H is added to the C atom with higher number of hydrogen atoms.
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Draw the structure of the major monohalo product in the following reaction:
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Match the items of Column I and Column II.
| Column I | Column II | |
| (i) | SN1 reaction | (a) vic-dibromides |
| (ii) | Chemicals in fire extinguisher | (b) gem-dihalides |
| (iii) | Bromination of alkenes | (c) Racemisation |
| (iv) | Alkylidene halides | (d) Saytzeff rule |
| (v) | Elimination of HX from alkylhalide | (e) Chlorobromocarbons |
Match the structures of compounds given in Column I with the classes of compounds given in Column II.
| Column I | Column II | |
| (i) | \[\begin{array}{cc} \ce{CH3 - CH - CH3}\\ |\phantom{..}\\ \ce{X}\phantom{..} \end{array}\] |
(a) Aryl halide |
| (ii) | \[\ce{CH2 = CH - CH2 - X}\] | (b) Alkyl halide |
| (iii) |  |
(c) Vinyl halide |
| (iv) | \[\ce{CH2 = CH - X}\] | (d) Allyl halide |
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\[\ce{CH3CH2C(CH3)2CH2I}\]
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\[\ce{CH3CH2C(CH3)2CH2I}\]
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\[\ce{CH3C(Cl)(C2H5)CH2CH3}\]
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\[\ce{CH3C(C2H5)2CH2Br}\]
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\[\ce{CH3C(C2H5)2CH2Br}\]
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\[\ce{CH3C(C2H5)2CH2Br}\]
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\[\ce{CH3C(C2H5)2CH2Br}\]
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\[\ce{CH3C(C2H5)2CH2Br}\]
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\[\ce{CH3C(C2H5)2CH2Br}\]
IUPAC name of \[\begin{array}{cc}
\phantom{}\ce{CH3}\phantom{..........}\ce{Br}\phantom{........}\\
\phantom{}|\phantom{................}|\phantom{.........}\\
\phantom{}\ce{CH3CHCH2CHCHCH2CH3}\phantom{}\\
\phantom{}|\phantom{..}\\
\phantom{..}\ce{CH3}\phantom{}
\end{array}\] is ______.
