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JEE Main Chemistry Class 11 Some Basic Concepts of Chemistry Part 2 Questions
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Question : 21
Total: 64
Given below are two statements: one is labelled as Assertion
A
and the other is labelled as Reason
R
Assertion A
:
3.1500
g
of hydrated oxalic acid dissolved in water to make
250.0
mL
solution will result in
0.1
M
oxalic acid solution.
Reason
R
: Molar mass of hydrated oxalic acid is
126
g
mol
−
1
In the light of the above statements, choose the correct answer from the options given below:
[10-Apr-2023 shift 2]
A
is false but
R
is true
A
is true but
R
is false
Both
A
and
R
are true but
R
is NOT the correct explanation of
A
Both
A
and
R
are true and
R
is the correct explanation of
A
Validate
Solution:
Assertion is correct.
H
2
C
2
O
4
.2
H
2
O
M
=
3.15
×
1000
126
×
250
=
12.6
126
=
0.1
Reason is correct. It is used as a fact in explanation of assertion.
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