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ALKENE MCQs

Total Questions : 8
Question 1. Alkene under high temperature and high pressure forms
  1.    Alcohol
  2.    Polyalkyne
  3.    Polyalkane
  4.    Polyalkene
 Discuss Question
Answer: Option C. -> Polyalkane
Question 2. 4-chlorobut-1-ene is the name of which among the following alkenes
  1.    CH2Cl-CH2=CH-CH2
  2.    CH2Cl-CH2-CH-CH2
  3.    CH2Cl=CH2-CH=CH2
  4.    CH2Cl-CH2-CH=CH2
 Discuss Question
Answer: Option D. -> CH2Cl-CH2-CH=CH2
Question 3. Which of the following alkenes is the most stable
  1.    (CH3)2C=CH2
  2.    (CH3)2C=CHCH3
  3.    (CH3)2C=C(CH3)2
  4.    none of the above
 Discuss Question
Answer: Option C. -> (CH3)2C=C(CH3)2
Question 4. What catalyst is used in making esters?
  1.    sodium hydroxide
  2.    iron
  3.    sulfuric acid
  4.    lithium oxide
 Discuss Question
Answer: Option C. -> sulfuric acid
Question 5. Which correctly represents an incomplete combustion of pentane?
  1.    C5H12 + 8O2 ⟶ 5CO2 + 6H2O
  2.    C5H12 + 8O2 ⟶ 4CO + CO2 + 6H2O
  3.    C5H12 + 6O2 ⟶ 4CO + CO2 + 6H2O
  4.    C5H12 + 5O2 ⟶ 4CO + CO2 + 4H2O + 2H2
 Discuss Question
Answer: Option C. -> C5H12 + 6O2 ⟶ 4CO + CO2 + 6H2O
Question 6. The first member of the alkene series is methene
  1.    True
  2.    False
 Discuss Question
Answer: Option B. -> False
Question 7. What is the empirical formula of 4-hydroxypent-2-ene?
  1.    C5H12O
  2.    C5H10O
  3.    CH2O
  4.    C5H9OH
 Discuss Question
Answer: Option B. -> C5H10O
Question 8. Which molecule is not produced when ethane reacts with bromine in the presence of ultraviolet light?
  1.    C2H4Br2
  2.    HBr
  3.    H2
  4.    C4H10
 Discuss Question
Answer: Option C. -> H2

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