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JEE Main Chemistry Class 12 The D and F Block Elements Part 2 Questions
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Question : 48
Total: 111
Given below are two statements :
Statement I : Aqueous solution of
K
2
Cr
2
O
7
is preferred as a primary standard in volumetric analysis over
Na
2
Cr
2
O
7
aqueous solution.
Statement II :
K
2
Cr
2
O
7
has a higher solubility in water than
Na
2
Cr
2
O
7
In the light of the above statements, choose the correct answer from the options given below:
[10-Apr-2023 shift 1]
Statement
I
is false but Statement
I
is true
Statement I is true but Statement II is false
Both Statement I and Statement II are true
Both Statement I and Statement II are false
Validate
Solution:
(1)
K
2
Cr
2
O
7
is used as primary standard. The concentration
Na
2
Cr
2
O
7
changes in aq. solution.
(2) It is less soluble than
Na
2
Cr
2
O
7
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