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

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

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

4. Which element is estimated by Carius method

5. Inductive effect involves

6. CH₃CH₂Cl undergoes homolytic fission to produce

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

8. Which of the following is an electrophile?

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

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

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

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

13. 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?

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

15. The principle involved in paper chromatography is

16. The reaction

17. 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

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

19. 59 g of an amide obtained from a carboxylic acid, RCOOH, liberated 17 g of ammonia upon heating with alkali. The acid is

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