General Organic Chemistry & Isomerism · JEE Main previous year questions

2017 3 questions

1. Q782017 · 9 Apr 2017 · Shift 1
   
   1. A.III
   2. B.I
   3. C.I and III
   4. D.III and IV
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   Answer: B

2. Q772017 · 8 Apr 2017 · Shift 1

   Which of the following statements is not true about partition chromatography?

   1. A.Mobile phase can be a gas
   2. B.Stationary phase is a finely divided solid adsorbent
   3. C.Separation depends upon equilibration of solute between a mobile and a stationary phase
   4. D.Paper chromatography is an example of partition chromatography
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   Answer: B

3. Q812017 · 8 Apr 2017 · Shift 1
   
   1. A.1, 1-Dimethyl-2-ethylcyclohexane
   2. B.2-Ethyl-1, 1-dimethylcyclohexane
   3. C.1-Ethyl-2,2-dimethylcyclohexane
   4. D.2, 2-Dimethyl-1-ethylcyclohexane
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   Answer: B