1. Which element is estimated by Carius method

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

3. 59 g of an amide obtained from a carboxylic acid, RCOOH, liberated 17 g of ammonia upon heating with alkali. The acid is

4. 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?

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

6. 0.0833mol of carbohydrate of empirical formula CH₂O contain 1 g of hydrogen. The molecular formula of the carbohydrate is

7. CH₃CH₂Cl undergoes homolytic fission to produce

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

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

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

11. The reaction

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

13. Inductive effect involves

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

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

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

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

18. 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

19. The principle involved in paper chromatography is

20. Which of the following is an electrophile?