Which is used for artificial ripening of fruit ?
Correct answer: B. ethene
- A. ethane
- B. ethene
- C. ethyne
- D. methane
Explanation
Ethene is used for artificial fruit ripening because it acts as a plant hormone that initiates and accelerates ripening changes. A student may choose ethyne because it is another unsaturated hydrocarbon, but ethyne does not have ethene's normal ripening-hormone role.
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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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