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JEE Main Chemistry Class 11 Organic Chemistry Some Basic Principles and Techniques 2 Questions
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Question : 69
Total: 100
Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A : A mixture contains benzoic acid and napthalene. The pure benzoic acid can be separated out by the use of benzene.
Reason
R
: Benzoic acid is soluble in hot water.
In the light of the above statements, choose the most appropriate answer from the options given below.
[25-Jun-2022-Shift-2]
Both
A
and
R
are true and
R
is the correct explanation of
A
.
Both
A
and
R
are true but
R
is
NOT
the correct explanation of
A
.
A is true but
R
is false.
A
is false but
R
is true.
Validate
Solution:
Since, both benzoic acid and naphthalene will dissolve in benzene. Hence assertion is wrong.
Benzoic acid is almost insoluble in cold water but soluble in hot water. Hence Reason is true
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