Carbon and its compounds Worksheet-1

Carbon and its compounds Worksheet-1

Fill in The Blanks:

1. ____ bonds are present between carbon atoms in saturated hydrocarbons.

2. The formula of Buckminster fullerene is _________.

3. ________ is the general name of the class of compounds having general formula C_nH_2n.

4. ______ is the name of sixth member of homologous series carbon compounds represented by the general formula C_nH_2n–2

5. The number of carbon atoms in decanoic acid is _________.

6. Fuels burn with yellow flame when oxygen supply is ________.

Multiple-Choice Question:

7. The hexagons and pentagons in Buckminster fullerene are arranged in the form of:

(A) Tetrahedron                               (B) Triangle

(C) Icosahedron                               (D) Truncated Icosahedron

8. The name of the compound of formula C₄H₈O₂ is:

(A) Propanoic acid                           (B) Butanol

(C) Butanone                                    (D) Butanoic acid

9. The member next to propanal is ____ in the homologous series of ____.

(A) Butanone, Aldehyde                 (B) Butanal, Ketone

(C) Butanal, Aldehyde                     (D) Butanone, Ketone

10. The difference in molecular masses of two consecutive of homologous series is:

(A) 1                     (B) 14                   (C) 16                   (D) 18

11. The IUPAC name of the given compound is:

CH₃–CH₂–CH₂–CH₂–CH₂–OH

(A) Butanol          (B) Butanal          (C) Pentanal        (D) Pentanol

12. Name the functional group present in CH_­3COCH₂CH₃.

(A) Aldehyde       (B) Ketone           (C) Hydroxyl        (D) Carboxylic

13. What are the products formed in the given reaction?

(A) CO + H₂O       (B) CO₂ + H₂O      (C) CO + CO₂        (D) CO₂ + H₂ + H₂O

14. Which of the following compounds will give substitution reaction?

C₂H₆, C₃H₆, C₄H₆, C₇H₁₆

(A) C₂H₆,C₇H₁₆, C₄H₆                         (B) C₃H₆,C₄H₆,C₇H₁₆

(C) C₂H₆,C₃H₆                                    (D) C₂H₆,C₇H₁₆

15. The IUPAC name of the given compound is: CH₃ – C ≡ C – CH₂ – CH₃

(A) Butyne           (B) Pentyne         (C) Pentene         (D) Butene

Answer key:

1. Single

2. C_60­/ C60/ C 60

3. Alkene/Alkenes

4. Hexyne

5. 10/ ten

6. Insufficient

7. (D)

8. (D)

9. (C)

10. (B)

11. (D)

12. (B)

13. (B)

14. (D)

15. (B)