Hydrocarbons Questions (NEET, JEE Main) – Test 5

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1. Question 1 of 5

   1. Question

   4 points

   Among the following select the alkane that is expected to have lowest boiling point [MH-CET 2014]

   • (A) Hexane
   • (B) 2-Methylpentane
   • (C) 3-Methylpentane
   • (D) 2, 2-Dimethylbutane
   Correct
   

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2. Question 2 of 5

   2. Question

   4 points

   The correct statement is [Karnataka CET 2014]

   • (A) Cyclohexadiene and cyclohexene cannot be isolated with ease during controlled hydrogenation of benzene.
   • (B) One mole each of benzene and hydrogen when reacted gives 1/3 mole of cyclohexane and 2/3 mole unreacted hydrogen.
   • (C) Hydrogenation of benzene to cyclohexane is an endothermic process.
   • (D) It is easier to hydrogenate benzene when compared to cyclohexene.
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3. Question 3 of 5

   3. Question

   4 points

   The reagents to carry out the following conversion are  [WBJEEM 2014]

   

   • (A) HgSO₄/dil H₂SO₄
   • (B) BH₃;H₂O₂/NaOH
   • (C) OsO₄; HIO₄
   • (D) NaNH₂/CH₃I; HgSO₄/dil H₂SO₄
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4. Question 4 of 5

   4. Question

   4 points

   The IUPAC name of the following molecule is [WBJEEM 2014]

   

   • (A) 5,6-Dimethyl hept-2-ene
   • (B) 2,3-Dimethyl hept-5-ene
   • (C) 5,6-Dimethyl hept-3-ene
   • (D) 5-Isopropyl hex-2-ene
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5. Question 5 of 5

   5. Question

   4 points

   The order of decreasing ease of abstraction of Hydrogen atoms in the following molecule is [WBJEEM 2014]

   

   • (A) H_a > H_b > H_c
   • (B) H_a > H_c > H_b
   • (C) H_b > H_a > H_c
   • (D) H_c > H_b > H_a
   Correct
   

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