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JEE CHEMISTRY MCQ: ALCOHOLS & PHENOLS & ETHERS
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On boiling with conc. hydrobromic acid, phenylethylether will yield:
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Correct option: A
Phenol and ethyl bromide
Option A (Phenol and ethyl bromide) is correct because the ether bond in phenylethylether is cleaved by HBr, resulting in phenol and ethyl bromide.
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Assertion (A): Isopropyl alcohol is preferred over ethanol.
Reason (R): Isopropyl alcohol is used as an antiseptic for skin before giving injections. Germinated Barley (an enzyme) is a source of enzyme: The process of converting alkyl halides into alcohols involves The b.p. of alcohols areβ¦.than corresponding thiols. Which of the following can not be used to oxidise primary alcohols to aldehydes Conc. heated with excess of at to form
Reason (R): Isopropyl alcohol is used as an antiseptic for skin before giving injections. Germinated Barley (an enzyme) is a source of enzyme: The process of converting alkyl halides into alcohols involves The b.p. of alcohols areβ¦.than corresponding thiols. Which of the following can not be used to oxidise primary alcohols to aldehydes Conc. heated with excess of at to form
