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Alcohols Phenols and Ethers — NEET Chemistry MCQs

30 questions written by hand against the NCERT chapter. Every wrong option is explained, not just the right one.

30questions
10/14/6easy / medium / hard
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Sample questions from this chapter

Which compound is a phenol rather than an alcohol?
  1. C6H5OH ✓
  2. C6H5CH2OH
  3. CH2=CHCH2OH
  4. CH3CH2OH
Answer: A. Phenol has OH directly bonded to an aromatic sp2 carbon. Benzyl alcohol is the closest structural trap because it also contains a phenyl ring but has a CH2 spacer.
Why not B: Its OH is on an sp3 benzylic carbon, so it is benzyl alcohol.
Why not C: Its OH is on an sp3 carbon adjacent to C=C, so it is an allylic alcohol.
Why not D: Ethanol is an ordinary aliphatic alcohol.
Reduction of propanone with NaBH4 gives what product?
  1. Propan-1-ol
  2. Propane
  3. Propan-2-ol ✓
  4. Propanal
Answer: C. Hydride addition to the ketone followed by protonation gives secondary propan-2-ol. Propan-1-ol is the carbonyl-position trap.
Why not A: A terminal primary alcohol would require reduction of propanal.
Why not B: NaBH4 reduces C=O to C-OH rather than removing oxygen completely.
Why not D: A ketone does not reduce to an aldehyde.
Methanal reacts with ethylmagnesium bromide, then undergoes hydrolysis. Which alcohol forms?
  1. Propan-1-ol ✓
  2. Propan-2-ol
  3. Butan-1-ol
  4. Ethanol
Answer: A. C2H5− equivalent adds to HCHO; hydrolysis gives C2H5CH2OH, propan-1-ol. Propan-2-ol is the aldehyde-class trap from forgetting methanal uniquely gives primary alcohol.
Why not B: A secondary alcohol would result from Grignard addition to an aldehyde other than methanal.
Why not C: Ethyl Grignard adds two carbons to methanal's one, giving three total rather than four.
Why not D: This omits the ethyl group added by the Grignard reagent.

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Every NCERT question in this chapter is solved, free: NCERT solutions — Alcohols Phenols and Ethers →

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Questions

How many NEET questions are there on Alcohols Phenols and Ethers?

This chapter test has 30 questions — 10 easy, 14 medium and 6 hard — all written against the NCERT Class 12 chapter.

Is this NEET Chemistry chapter test free?

Yes. Every chapter test is free with no login, and you get your all-India rank on every one. Nothing on the site is on sale right now.

Do the questions explain the wrong options?

Yes — every distractor carries its own explanation naming the specific misconception that makes a student pick it. That is the part most question banks skip, and it is the part that changes your next attempt.