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7. Alcohol, phenol and ethers — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistry7. Alcohol, phenol and ethers1 Mark
MCQ
Primary alcohols on dehydration give
  • ✓
    Alkenes
  • B
    Alkanes
  • C
    Both $(a)$ and $(b)$
  • D
    None of these
✓

Answer

Correct option: A.
Alkenes
a
(a)$\underset{{{1}^{o}}\text{alcohol}}{\mathop{R-C{{H}_{2}}-C{{H}_{2}}-OH}}\,\underset{{{170}\,^{o}}C}{\mathop{\xrightarrow{\text{Conc}\text{.}\,{{H}_{2}}S{{O}_{4}}}}}\,$     $\underset{\text{Alkene}}{\mathop{R-CH=C{{H}_{2}}+}}\,{{H}_{2}}O$

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