1. Hydrocarbon containing following bond is most reactive

2. Isopropyl bromide on Wurtz reaction gives

3. Identify the compound A and B in the following reaction sequence

4. The position of double bond in alkenes can be located by :

5. Nitrobenzene on reaction with conc. HNO₃/H₂SO₄ at 80 – 100°C forms which one of the following products?

6. The increasing order of reduction of alkyl halides with zinc and dilute HCl is

7. An organic compound has a triple bond and not double bond. It can be test by

8. The lowest alkene, that is capable of exhibiting geometrical isomerism is

9. Arrange the following in decreasing order of their boiling points.

(A) n–butane (B) 2–methylbutane

(C) n-pentane (D) 2,2–dimethylpropane

10. Tetrabromoethane on heating with Zn gives

11. The compound C₃H₄ has a triple bond, which is indicated by its reaction with

12. Alkyl halides react with dialkyl copper reagents to give?

13. Presence of a nitro group in a benzene ring

14. When 2-butyne is treated with dil.H₂SO₄/HgSO₄, the product formed is

15. Arrange the following hydrogen halides in order of their decreasing reactivity with propane.

16. The first fraction obtained during the fractionation of petroleum is:

17. 2 – Phenylpropene on acidic hydration gives

18. The catalyst used in Friedel – Crafts reaction is

19. Which one of these is not true for benzene?

20. The coal tar fraction which contains phenol is: