1. The self-linking property of carbon atoms to form long chains is called as…

a) electronegativity b) conductivity c) catenation d) all of these

2. the compounds which contains one or more atoms of other elements in a ring of carbon atoms are called as…

a) aromatic b) heterocyclic c) alicyclic d) acyclic

3. which of the following is not correct for the homologous series?

a) all the members can be represented by the same general formula

b) the homologous have the same general methods of preparation

c) they have the same physical properties

d) the homologous have a common difference of a CH2 unit

4. a group closely related compounds which can be expressed by a general formula and in which two consecutive members are differ by 14 in their molecular masses is called as…

a) Heterogenous series b) homogenous series c) homologous series d) electrochemical series

5. aldehyde contains … as a functional group.

a) COOH b) CHO c) OH d) COOC

6. which of the following contains sigma bond only?

a) alkane b) alkene c) aldehyde d) alkyne

7. what will be the molar mass of 5th member of alcohol homologous series?

a) 80 b) 82 c) 88 d) 98

8. Unsaturated compound contains…

a) double bond b) single bond c) triple bond d) sigma bond

a) Only a b) both a & b c) both a & c d) all of these

9. chemical properties of a compound dependent on…

a) molar mass b) functional group c) no. of C-atom d) no. of H atom

10. general formula of alkene is similar to…

a) alkane b) alkyne c) cycloalkane d) benzene

a) only b b) only a c) bot a & c d) only c

11. general formula for aldehyde is similar to…

a) ether b) alcohol c) ketone d) all of these

12. what is the atomic mass of the 10th member of alkane?

a) 86 b) 170 c) 142 d) 128

13. the correct formula for ethanol is…

a) C2H6OH b) C2H5OH c) CH3OH d) CH3CHOH

14. the open chain acyclic hydrocarbon with molecular formula C8H14 is an example of…

a) an alkane b) an alkene c) an alkyne d) heterocyclic

15. the double bond between the two carbon atoms in the C2H4 molecule indicates that…

a) two pairs of mobile electrons

b) two pairs of unpaired electrons

c) two pairs of shared electrons

d) two pairs of lone electrons

16. which of the following statements is not applicable to carbon compounds?

a) they have low melting and boiling point

b) they are ionic in nature

c) they form homologous series

d) they are generally soluble in organic solvents

17. which of the following represents a homologous series?

a) Ethane, ethene, ethyne

b) Methane, ethane propane

c) propane butane pentene

d) ethyne propyne butyne

a) only a b) both b, c & d c) both b & d d) all of these

18. identify the saturated compound from the following.

a) propene b) butane c) Hex-1-ene d) heptane

a) only b b) only d c) both a & c d) both b& d

19. the IUPAC name of CH3CHO is…

a) methanal b) formaldehyde c) acetaldehyde d) ethanal

20. the IUPAC name of CH3CH2COOH is…

a) ethane carboxylic acid b) ethanoic acid c) proponoic acid d) propanoic acid

 

 

Answers:

1

2

3

4

5

6

7

8

9

10

C

B

C

C

B

A

C

C

B

D

11

12

13

14

15

16

17

18

19

20

C

C

B

C

C

B

C

D

D

D