1.

The number of isomeric pentyl alcohols possible isA. TwoB. FourC. SixD. Eight

Answer» Correct Answer - D
Draw all possible isomers having all single bonds in them and count their total number.
(i) `CH_(3)CH_(2)CH_(2)CH_(2)CH_(2)OH`
(ii) `{:(CH_(3)CH_(2)CH_(2)CH_(2)CH_(3)),(" |"),(" "OH):}`
(iii) `{:(CH_(3)CH_(2)CH-CH_(2)CH_(3)),(" |"),(" "OH):}`
(iv) `{:(CH_(3)CH_(2)CH-CH_(2)OH),(" |"),(" "CH_(3)):}` (v) `{:(" "OH),(" |"),(CH_(3)CH_(2)C-CH_(3)),(" |"),(" "CH_(3)):}`
(vi) `{:(" "CH_(2)OH),(" |"),(CH_(3)CH_(2)CH-CH_(3)):}` (vii) `{:(" "CH_(3) ),(" |"),(CH_(3)-C-CH_(2)OH),(" |"),(" "CH_(3)):}`
(viii) `{:(" "CH_(2)-OH),(" |"),(CH_(3)-C-CH_(3)),(" |"),(" "CH_(3)):}`


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