Chemistry 9701 · AS & A Level · Hydroxy compounds

Hydroxy compounds — practice question

$X$, $Y$ and $Z$ are three alcohol isomers. $X$: $\text{CH}_3\text{CH}_2\text{CH}_2\text{CH}_2\text{OH}$ $Y$: $\text{CH}_3\text{CH}_2\text{CH(OH)}\text{CH}_2\text{CH}_3$ $Z$: $(\text{CH}_3)_2\text{C(OH)CH}_2\text{CH}_3$ At least two of these alcohols undergo reaction with mild oxidising agents. If one of these alcohols is dehydrated, it will produce a pair of cis-trans isomers with molecular formula $\text{C}_5\text{H}_{10}$. Which row is right?

  • Areacts: X, Y and Z; gives cis-trans isomers: Y only
  • Breacts: X, Y and Z; gives cis-trans isomers: Z only
  • Creacts: X and Y only; gives cis-trans isomers: Y only
  • Dreacts: X and Y only; gives cis-trans isomers: Z only

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