Engineer & Medical

Redox Reactions question bank (Chemistry)

Practice 750 free Engineer & Medical Chemistry - Redox Reactions questions with answers and step-by-step solutions.

Q1.

Given below are two statements:
Statement I: Sodium dichromate and potassium dichromate are classified as primary standards 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

(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
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Q2.

In order to oxidise a mixture of $1$ mole each of $FeC_2O_4$, $Fe_2(C_2O_4)_3$, $FeSO_4$ and $Fe_2(SO_4)_3$ in acidic medium, the number of moles of $KMnO_4$ required is

(A)
$3$
(B)
$2$
(C)
$5$
(D)
$7$
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