Carbon and its compounds Worksheet-4

Carbon and its compounds Worksheet-4

Multiple-Choice Question:

13. Which of the following is the structure of butene?

(A)

(B)

(C)

(D) All of these

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

(A) CO₂ + H₂O      (B) CO + H₂ + H₂O (C) CO₂ + CO      (D) All of these

15. Which of the following compounds will give addition reaction?

(A) C₆H₁₂,CH₄,C₆H₁₄                          (B) C₂H₂,C₂H₄, C₅H₁₂

(C) C₂H₄, C₆H₁₄                                 (D) C₂H₂, C₂H₄

16. Ethyne burns in air with a sooty flame because

(A) Percentage of carbon is comparatively low in it

(B) Percentage of carbon is comparatively high in it

(C) If burnt with oxygen it burns completely producing a blue flame

(D) Both A and C

(E) Both B and C

Multiple-Choice Questions: (With One Option Correct):

17. Alkanes undergo _____ reaction.

(A) Addition        (B) Substitution  (C) Reduction      (D) All of these

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

(A) C₂H₅CHO        (B) C₂H₅COOH     (C) CO₂ + H₂O      (D) CO₂ + CO + H₂O

Matrix Matching:

19. Match the Column:

20. Match the Column:

 Word Bank:

21. The IUPAC names of given compounds C₃H₈, C₂H₄, C₄H₁₀, C₄H₆ are a_____, ______b_____, _____c______, ______d______.

(A) Propane         (B) Ethene           (C) Butane           (D) Butyne

22. The IUPAC names of given compounds CH₃CH₂CH₂CHO, CH₃CHO, HCHO are ____a____, ____b_____, _____c_____.

(A) Butanal (B) Ethanal          (C) Methanal

Answer key

13. (B)
14. (A)
15. (D)
16. (C)
17. (B)
18. (C)
19. 1-C; 2-D; 3-A; 4-B
20. 1-C; 2-A; 3-B;
21. ..
22. ..