A) primary alcohol
B) secondary alcohol
C) tertiary alcohol
D) dihydric alcohol.
Correct Answer: C
Solution :
Primary alcohols on dehydration give aldehydes, secondary alcohols give ketones and tertiary alcohols give alkenes. \[RC{{H}_{2}}OH\xrightarrow[\Delta ]{Cu}RCHO\] \[R-\underset{{}}{\overset{\begin{smallmatrix} OH \\ | \end{smallmatrix}}{\mathop{CH}}}\,-R\xrightarrow[\Delta ]{Cu}R-\overset{\begin{smallmatrix} O \\ || \end{smallmatrix}}{\mathop{C}}\,-R\] \[C{{H}_{3}}-\underset{\begin{smallmatrix} | \\ C{{H}_{3}} \end{smallmatrix}}{\overset{\begin{smallmatrix} C{{H}_{3}} \\ | \end{smallmatrix}}{\mathop{C}}}\,-OH\xrightarrow[\Delta ]{Cu}C{{H}_{3}}-\overset{\begin{smallmatrix} C{{H}_{3}} \\ | \end{smallmatrix}}{\mathop{C}}\,=C{{H}_{2}}\]
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