Carbon and its compounds Worksheet-7

Carbon and its compounds Worksheet-7

Fill in the blanks:

1. The property of self combination is called _____.

2. If diamond is burnt in oxygen _____ gas is evolved.

3. Diamonds are used as drilling equipments because they are _____.

4. ______ is the name of first member of homologous series of compounds of general formula C_nH_2n+2O.

5. The next higher homologue of chloropentane is _____.

6. The difference in molecular masses of C₄H₉OH and C₉H₁₅OH is ______.

7. Alkanes under go ______ reactions. (substitution/addition)

Multiple-Choice Question:

8. Buckminster fullerene is soluble in:

(A) Toluene         (B) Water             (C) Benzene         (D) H₂SO₄

(E) Both a & c

9. The IUPAC name of C₇H₁₅COOH is:

(A) Heptanoic acid                          (B) Heptan-3-oic acid

(C) Octanoic acid                             (D) Octanal

10. The IUPAC name of 6^th member of homologous series of aldehyde is:

(A) Hexanone      (B) Hexanal          (C) Hexene           (D) Hexyne

11. The IUPAC name of the given compound is:

(A) Isopentane                                 (B) 2-methylbutane

(C) 3-methylbutane                         (D) 2-methylpentane

12. The IUPAC name of the given compound is:

(A) Ethyl methyl ketone                 (B) Butanal

(C) Butanone                                   (D) Butanol

13. Which of the following is the structural formula of pentanol?

(A)

(B)

(C)

(D)

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

(A)                             (B)

(C)                            (D) All of these

15. What are the products formed when butane reacts with chlorine?

(A) Chloro butane + HCI                  (B) di-chloro butane

(C) Tri-chloro butane                       (D) None of these

Answer key

1. Catenation

2. Carbon dioxide

3. Very hard/extremely hard/hard

4. Methanol

5. Chlorohexane

6. 42/ forty two/Forty-two

7. Substitution

8. (E)

9. (C)

10. (B)

11. (B)

12. (C)

13. (C)

14. (A)

15. (B)