Propene reacts with hypochlorous acid to form
Correct answer: B. CH3-CH-CH2Cl ⋮ OH
- A. CH3-CH-CH2O ⋮ ClOHCl
- B. CH3-CH-CH2Cl ⋮ OH
- C. CH3-CH2-CH2Cl ⋮ OH
- D. CH3-CH-CH2 ⋮ OH
Explanation
The reaction between propene and hypochlorous acid (HOCl) can be represented as follows:CH3CH=CH2 + HOCl → CH3CH(OH)CH2ClThe product formed is 2-chloropropan-1-ol (CH3CH(OH)CH2Cl), which has a hydroxyl (-OH) group attached to the carbon adjacent to the chlorine atom. Therefore, the correct answer is option B) CH3-CH-CH2CI: OH.
This question appeared on the ETEA MDCAT 2017 paper, which you can sit online with every answer explained.
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About Alkenes
Alkenes are unsaturated hydrocarbons containing a carbon-carbon double bond with sigma and pi components and restricted rotation. Their reactions include electrophilic addition of hydrogen, halogens, hydrogen halides and water, with Markovnikov orientation, oxidation, combustion and polymerisation, while their preparation commonly involves elimination from alkyl halides or alcohols.
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