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SAI International School

Class-X
Subject_ Chemistry
Ch- Carbon & it's Compounds
Subtopic-Chemical Properties of Ethanol

Home Assignment
Objective-
MCQs

Q.1 The number of oxygen molecules used in the combustion of 1 molecule of
ethanol is-
(a) 1 (b) 2
(c) 3 (d) 4

Q.2 In the following reactions with chemical equations:
Alk.KMnO 4
CH 3CH 2OH ------------ CH 3COOH
The role of KMnO4 is to act as:
(a) Reducing agent
(b) Oxidising agent
(c) Dehydrating agent
(d) Catalyst

Q.3 In rectified spirit Alcohol is used as a:
(a) Solvent
(b) Solute
(c) Solution
(d) Aqueous medium
 For Assertion& Reason question follow the following directions.

DIRECTION: Each of these questions contains an Assertion followed by Reason.
Read them carefully and answer the question on the basis of following options. You
have to select the one that best describes the two statements.

(a) If both Assertion and Reason are correct and Reason is the correct explanation of
Assertion.
(b) If both Assertion and Reason are correct, but Reason is not the correct
explanation of Assertion.
(c) If Assertion is correct but Reason is incorrect.

(d) If Assertion is incorrect but Reason is correct.

(e) If Assertion & Reason both are incorrect.
Q.4 Assertion: When ethanol is heated at 443 K with excess conc. H 2SO 4,
ethene is obtained.
Reason: Conc. H 2SO 4 acts as a dehydrating agent.

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