Carbon and its compounds Worksheet-2

Carbon and its compounds Worksheet-2

 

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

  1. What are the products in the given reaction?

(A) CH3Cl + HCl    (B) CH2Cl2            (C) CHCl3              (D) CCl4

(E) All of these

 

  1. A mixture of ethyne (acetylene) and oxygen is burnt for welding but the mixture of ethyne and air is not used because:

(A) Ethyne undergoes incomplete combustion in air

(B) Ethyne has comparatively high percentage of carbon and so it requires large amount of oxygen for combustion

(C) Ethyne forms oxyacetylene flame when burnt with oxygen

(D) All of these

 

  1. Absolute alcohol is:

(A) 95.5% ethanol + 4.5% water

(B) 99.9% ethanol + 0.1 % water

(C) 98% ethanol + 2% water

(D) 96% ethanol + 4% water

 

Matrix Matching:

  1. Match the Column:

  1. Match the Column:

  1. Match the Column:

 

Word Bank:

  1. The suffixes for alcohol, Ketone, and aldehydes ______a______, _____b_____, _____c_____ are

(A) – ol                 (B) – one              (C) – al

 

Answer key:

  1.  (E)
  2. (D)
  3. (B)
  4. 1-c, 2-d, 3-a, 4-b
  5. 1-c, 2-d, 3-b, 4-a
  6. 1-b, 2-c, 3-d, 4-a
  7. :::