Sail E0 Webinar

General Knowledge > General Science

ALKYNE MCQs

Total Questions : 34 | Page 1 of 4 pages
Question 1. The general formula of Alkyne is
  1.    CnH(2n-2)
  2.    CnH2n
  3.    CnH2n+2
  4.    CnHn+2
 Discuss Question
Answer: Option A. -> CnH(2n-2)
Question 2. Give the name of this compound, C3H8
  1.    Propane
  2.    Butene
  3.    Both A & B
  4.    None of these
 Discuss Question
Answer: Option A. -> Propane
Question 3. General formula for alkanes
  1.    CnH2n
  2.    CnH2n+1
  3.    CnH2n+2
  4.    CnH2n-2
 Discuss Question
Answer: Option C. -> CnH2n+2
Question 4. Which reagent is needed to change CH3CH=CH2 to CH3CHClCH3
  1.    Cl2 (aq)
  2.    SOCl2
  3.    PCl3
  4.    HCl
 Discuss Question
Answer: Option D. -> HCl
Question 5. Reaction between butyne with H2O in the presence of HgSO4 and H2SO4 as catalyst will produce?
  1.    enol
  2.    alcohol
  3.    ketone
  4.    diol
 Discuss Question
Answer: Option C. -> ketone
Question 6. What is the meaning of unsaturated hydrocarbon?
  1.    compound containing carbon atom and oxygen atom with single bond between carbon atoms
  2.    compound that contain carbon and hydrogen with multiple bond between carbon atoms
 Discuss Question
Answer: Option B. -> compound that contain carbon and hydrogen with multiple bond between carbon atoms
Question 7. What is the prefix for a compound with 7 carbons?
  1.    Hex
  2.    Hept
  3.    Hesp
  4.    Hexa
 Discuss Question
Answer: Option B. -> Hept
Question 8. Which of the following substances has the highest boiling point?
  1.    heptane
  2.    pentane
  3.    nonane
  4.    All of above
 Discuss Question
Answer: Option C. -> nonane
Question 9. How many carbon atoms are in decane?
  1.    4
  2.    6
  3.    8
  4.    10
 Discuss Question
Answer: Option D. -> 10
Question 10. We better used
  1.    Pd
  2.    Pt/BaSO4 in quinoline
  3.    Pt/CaCO3 in quinoline
  4.    Pd/BaSO4 in quinoline
 Discuss Question
Answer: Option D. -> Pd/BaSO4 in quinoline

Latest Videos

Latest Test Papers