Alcohols, Phenols & Ethers · JEE Main previous year questions

2020 5 questions

1. Q582020 · 3 Sept 2020 · Shift 1

   Glycerol is separated in soap industries by :

   1. A.Fractional distillation
   2. B.Distillation under reduced pressure
   3. C.Differential extraction
   4. D.Steam distillation
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   Answer: B

2. Q522020 · 8 Jan 2020 · Shift 1

   Arrange the following compounds in increasing order of C–OH bond length : methanol, phenol, p-ethoxyphenol

   1. A.phenol < methanol < p-ethoxyphenol
   2. B.methanol < p-ethoxyphenol < phenol
   3. C.methanol < phenol < p-ethoxyphenol
   4. D.phenol < p-ethoxyphenol < methanol
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   Answer: D

3. Q652020 · 7 Jan 2020 · Shift 1
   
   1. A.
   2. B.
   3. C.
   4. D.
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   Answer: B

4. Q582020 · 7 Jan 2020 · Shift 2

   Two open beakers one containing a solvent and the other containing a mixture of that solvent with a non volatile solute are together sealed in a container. Over time :

   1. A.The volume of the solution increases and the volume of the solvent decreases.
   2. B.The volume of solution does not change and the volume of the solvent decreases.
   3. C.The volume of the solution and the solvent does not change.
   4. D.The volume of the solution decreases and the volume of the solvent increases.
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   Answer: A

5. Q662020 · 7 Jan 2020 · Shift 2
   
   1. A.
   2. B.
   3. C.
   4. D.
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   Answer: D