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MCQs

Total Questions : 93 | Page 4 of 10 pages
Question 31. Butane (alkane) has
  1.    3 carbon atoms
  2.    5 carbon atoms
  3.    4 carbon atoms
  4.    2 carbon atoms
 Discuss Question
Answer: Option C. -> 4 carbon atoms
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 32. Which of the following has two hydrocarbon groups bonded to the carbonyl carbon atom?
  1.    aldehydes
  2.    ketones
  3.    carboxylic acids
  4.    ethers
 Discuss Question
Answer: Option B. -> ketones
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 33. An alkane with molecular formula C10H22 is called
  1.    butane
  2.    octane
  3.    Nonane
  4.    Decane
 Discuss Question
Answer: Option D. -> Decane
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 34. Which of the following are characterized by the presence of the hydroxyl group attached to a hydrocarbon chain?
  1.    halo alkanes
  2.    phenols
  3.    ethers
  4.    alcohols
 Discuss Question
Answer: Option D. -> alcohols
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 35. The formula that shows the arrangement of atoms in a compound is called
  1.    molecular formula
  2.    structural formula
  3.    compound formula
  4.    empirical formula
 Discuss Question
Answer: Option B. -> structural formula
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 36. The general formula for alcohols is
  1.    R-OH
  2.    R-O-R
  3.    R-COOH
  4.    R-NH2
 Discuss Question
Answer: Option A. -> R-OH
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 37. The general formula for carboxylic acids is
  1.    R-OH
  2.    R-O-R
  3.    R-COOH
  4.    R-NH2
 Discuss Question
Answer: Option C. -> R-COOH
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 38. What is the general formula of alkynes?
  1.    cnh2n+2
  2.    cnh2n
  3.    cnh2n-2
  4.    CnHn
 Discuss Question
Answer: Option C. -> cnh2n-2
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 39. Methanal is an example of
  1.    aldehydes
  2.    ketones
  3.    carboxylic acids
  4.    ethers
 Discuss Question
Answer: Option A. -> aldehydes
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 40. Which of the following has at least one hydrogen atom or two hydrogen atoms attached to the carbonyl carbon atom?
  1.    aldehydes
  2.    ketones
  3.    carboxylic acids
  4.    ethers
 Discuss Question
Answer: Option A. -> aldehydes
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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