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(b) Propanone
(c) Butanone
(d) Methanone
 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: Acetic acid has six single bond and one double bond.
Reason : It is unsaturated organic compound.

Q.5 Assertion: Acetone is the common name for propanone.
Reason : Acetone has 3 carbon atom with functional group of ketone.

Subjective-
S.LNo. Questions Mark Skill

Q.1 1 R
Write molecular formula of acid which can bederived from
butane. . [CBSE 2015]

Q.2 Name the functional group present in each of thefollowing 1 u
compounds:
[CBSE 2012]

a. CH 3COCH 3
b. C 2H 5COOH
Q.3 Write the namesand molecular formulae of twoorganic 3 R+
compounds having functional group suffixedas ‘—oic acid’. With A
the help of a balanced chemical equation explain what happens
when any one of them reacts with sodium hydroxide. [CBSE 2010]

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