Chemistry Hydrocarbons Test Online MCQs

1. 1-Butyne can be distinguished most easily from 2-butyne by

2. The size of C – C bond in benzene is:

3. With ammonical cuprous chloride solution, a reddish brown precipitate is obtained on treating with:

4. Which of the following gives propyne on hydrolysis?

5. The product obtained by treating benzene with chlorine in presence of ultraviolet light is:

6. Which of the following swequence of reactions (reagents) can be used for the conversion of C₆H₅CH₂CH₃ into C₆H₅CH = CH₂?

7. Compound X of molecular formula C₄H₆ takes up one equivalent of hydrogen in presence of Pt to form another compound Y which on ozonolysis gives only ethanoic acid. The compound X can be:

8. Propene on hydroboration and oxidation produces

9. Which oAne of the following produces acyl halide by treatment with PCl₅?

10. The natural gas mainly contains:

11. The number of σ and π bonds present in ethane is:

12. The boiling points of four saturated hydrocarbons are given below. Which boiling point suggests maximum number of carbon atoms in its molecule:

13. Which is used as antiknock in petrol?

14. The major product obtained on treatment of CH₃CH₂CH(F)CH₃ with CH₃O⁻/CH₃OH is:

15. The compound having only primary hydrogen atoms is: