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Give names of the reagents to bring about the following transformations. (i) Hexan-1-ol to hexanal, (ii) cyclohexanol to ethanal, (iii) p-Flurotoluene to p-flurobenzaldehyde, (iv) Ethanenitrile to ethanal, (v) Allyl alcohl to propenal, and (vi) But-2-ene to ethanal. |
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Answer» SOLUTION :`underset("Hexan-1-ol")(CH_(3)CH_(2)CH_(2)CH_(2)CH_(2)CH_(2)OH underset(CH_(2)Cl_(2))overset(C_(5)H_(5)overset(+)(N)HCrO_(3)Cl^(-))tounderset("HEXANAL")(CH_(3)CH_(2)CH_(2)CH_(2)CH_(2)CHO` (ii)  (iv). `underset("Ethanenitrile")(CH_(3)-C-=N) underset(2.H_(2)O)overset(1."DIBAL-H")to underset("ETHANAL")(CH_(3)-overset(O)overset(||)(C)-H)` (v) `underset("Allyl alcohol")(CH_(2)=CHCH_(2)OH) underset(CH_(2)Cl_(2))overset(C_(2)H_(5)overset(+)(N)HCrO_(3)Cl^(-)(PC C))to underset("Prop-2-enal")(CH_(2)=CH-CHO)` (vi). `underset("But-2-ene")(CH_(3)CH=CHCH_(3)) underset(2.Zn" dust"//H_(2)O)overset(1.O_(3)//CH_(2)Cl_(2),196K)to underset("Ethanal")(2CH_(3)-CHO)` |
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