1. The I.U.P.A.C. name of

2. If 0.228 g of silver salt of dibasic acid gave a residue of 0.162 g of silver on ignition then molecular weight of the acid is

3. 0.0833mol of carbohydrate of empirical formula CH₂O contain 1 g of hydrogen. The molecular formula of the carbohydrate is

4. The reaction

5. If there is no rotation of plane polarized light by a compound in a specific solvent, thought to be chiral, it may mean that

6. The I.U.P.A.C. name of CH₃ – CH = CH COO C₂H₅ is

7. Electronegativity of carbon atoms depends upon their state of hybridisation. In which of the following compounds, the carbon marked with an asterisk is most electronegative?

8. The principle involved in paper chromatography is

9. CH₃CH₂Cl undergoes homolytic fission to produce

10. A crystalline solid possess which one of the following property?

11. The number and type of bonds between two carbon atoms in CaC₂ are

12. Insulin contains 3.4% sulphur. The minimum molecular weight of insulin is

13. In the Dumas method, the nitrogen present in organic compound gets converted to

14. Which one of the following conformations of cyclohexane is chiral?

15. 59 g of an amide obtained from a carboxylic acid, RCOOH, liberated 17 g of ammonia upon heating with alkali. The acid is

16. The I.U.P.A.C. name of CH₃COCH(CH₃)₂ is

17. Inductive effect involves

18. Which of the following behaves both as a nucleophile and as an electrophile?

19. Which of the following is an electrophile?

20. Which element is estimated by Carius method