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(a) Which of the following are position ...

(a) Which of the following are position isomers ?
`{:((i)" "CH_(2)=CH" "(ii)" "CH_(3)-C-CH_(3)" "(iii)" "CH_(3)-CH=C-CH_(3)),(" |"" ||"" |"),(" "CH_(2)-CH_(3)" "CH_(2)" "CH_(2)):}`
(b) Write the IUPAC name of the functional isomer of `CH_(3)CH_(2)CH_(2)CH_(2)CHO`.
(c) Which type of structural isomerism is shown by the following pair of compounds ?
`{:(" "Br" "CH_(3)),(" |"" |"),(CH_(3)-CH-CHBr_(2) and Br_(2)CH-CH-Br):}`

Text Solution

Verified by Experts

(a) Structure (i) and (ii) represent position isomers as they differ in the position of the double bond. Structure (iii) has different molecular formula. It is therefore, not an isomer.
(b) `CH_(3)-overset(O)overset("||")(C)-CH_(2)-CH_(2)CH_(3)` : Pentan-2-one.
(c) These represent the same compound. Their IUPAC name is also same i.e., 1, 1, 2-tribromopropane.
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