d and f-Block ElementsMedium
Question
Statement I : Sodium dichromate and potassium dichromate are classified as primary standard in titrimetric analysis .
Statement II : Phenolphthalein is a weak base, therefore it dissociates in acidic medium.
In the light of the above statements, choose the correct answer from the options given below
Options
A.Both Statement I and Statement II are true
B.Both Statement I and Statement II are false
C.Statement I is true but Statement II is false
D.Statement I is false but Statement II is true
Solution
Sol. Na₂Cr₂O₇ is hygroscopic in nature and is not used as primary standard.
Phenolphthalein is weak acid.
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