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MCQs

Total Questions : 93 | Page 5 of 10 pages
Question 41. Commercial sources of alkanes include
  1.    coal
  2.    natural gas
  3.    petroleum
  4.    all of above
 Discuss Question
Answer: Option D. -> all of above
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 42. Considering alkyl radicals, what is the term used for the group obtained by removing H-atom from central carbon atom?
  1.    Iso-propyl
  2.    n-propyl
  3.    neo-propyl
  4.    propyl
 Discuss Question
Answer: Option A. -> Iso-propyl
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 43. An alkane with molecular formula C8H18 is called
  1.    butane
  2.    octane
  3.    Nonane
  4.    Decane
 Discuss Question
Answer: Option B. -> octane
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 44. The molecular formula for Heptane is
  1.    C4H10
  2.    C8H18
  3.    C5H12
  4.    C7H16
 Discuss Question
Answer: Option D. -> C7H16
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 45. A mixture of low boiling hydrocarbons is called
  1.    coal
  2.    petroleum
  3.    natural gas
  4.    Liquid Petroleum Gas (LPG)
 Discuss Question
Answer: Option C. -> natural gas
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 46. What are the compounds called when an -OH group is attached to a benzene ring?
  1.    halo alkanes
  2.    phenols
  3.    ethers
  4.    alcohols
 Discuss Question
Answer: Option B. -> phenols
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 47. Saturated hydrocarbons (alkanes) have
  1.    carbon-carbon single bond
  2.    carbon-carbon double bond
  3.    carbon-carbon triple bond
  4.    carbon-carbon quad bond
 Discuss Question
Answer: Option A. -> carbon-carbon single bond
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 48. The general formula for ethers is
  1.    R-OH
  2.    R-O-R
  3.    R-COOH
  4.    R-NH2
 Discuss Question
Answer: Option B. -> R-O-R
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 49. What is the general formula of alkanes?
  1.    CnH2n+2
  2.    CnH2n
  3.    CnH2n-2
  4.    CnHn
 Discuss Question
Answer: Option A. -> CnH2n+2
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 50. The suffix in alkane represents
  1.    hydrogen atoms
  2.    carbon atoms
  3.    bonds present
  4.    class of compound
 Discuss Question
Answer: Option D. -> class of compound
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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