Organic-Chemistry

Organic-Chemistry - 1

1. Vital force theory was proposed by

a) Wohler b) Dalton

c) Bohr d) Berzellius

2. In 1828 a scientist prepared urea from in organic substances

a) Berzellius b) Mendleeve

c) Wohler d) Dalton

3. The formula of formic acid is

a) HCOOH b) CH₃COOH

c) CH₃COONa d) CH₃NO₂

4. Organic compounds made up of only carbon and hydrogen are called

a) Functional group b) Derivatives

c) Isomers d) Hydrocarbons

5. Organic compound have

a) High melting and low boiling point b) None of the above.

c) Low melting and boiling points d) Low melting and high boiling points

6. In all organic compounds the essential element is

a) Oxygen b) Chlorine

c) Silicon d) Carbon

7. Electrical conductivity of organic compounds are

a) Good b) Best

c) Poor d) Better

8. An atom or group of atom that determines the characteristic properties of an organic compound is called

a) Derivatives b) Isomers

c) Functional group d) Hydro carbon

9. The general formula of alkene is

a) CnH_3n-2 b) CnH_3n+1

c) CnH_3n+2 d) CnH_3n

10. -OH is the functional group of the family called

a) Carboxy lic acids b) Urea
c) Halides d) Alcohol

11. The structure of carbonylic group is

a) -'CO-H b) -CO₂H

c) -'COH₃ d) -CO₂-

12. In saturated hydrocarbon all carbon, carbon bonds are

a) Single covalent b) Triple covalent

c) Non of them d) Double covalent

13. Saturated hydro carbons are also called

a) Catalyst b) Olefins

c) Isomers d) Parafins

14. Which gas is used as a general anaesthesia

a) Ethanol b) Ethane

c) Ethene d) Benzene

15. A molecule has a tetrahedral geometry with an angle of 109.50 between each of H-C-H bond

a) Ethene b) Ethyne

c) Benzene d) Methane

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