REDOX REACTION | PART -1 | QUESTIONS FROM 41 TO 43|NARENDRA AVASTHI SIR"S SOLUTIONS
Автор: V N LEARN ACADEMY
Загружено: 2026-02-25
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✔️ Subject: Chemistry
✔️ Topic Name: REDOX REACTIONS
Ra tio of moles of Fe (II) oxi dised by equal vol umes of equimolar KMnO4 and K Cr O
2 2 7
so lu tions in acidic me dium will be:
(a) 5 : 3
(b) 1 : 1
(c) 1 : 2
168. The mass of a mix ture containing HCl and H SO
2
(d) 5 : 6
4 is 0.1 g. On treat ment with an ex cess of an
AgNO3 so lu tion, re acted with this acid mix ture gives 0.1435 g of AgCl. Mass % of the H SO
2
mix ture is :
(a) 36.5
169. A so lu tion of Na S O
(b) 63.5
(c) 50
(d) None of these
2 2 3 is stan dard ized iodometrically against 0.167 g of KBrO .
4
3 This pro cess
re quires 50 mL of the Na S O
2 2 3 so lu tion. What is the nor mal ity of the Na S O ?
2 2 3
(a) 0.2 N
(b) 0.12 N
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Chapter Wise MCQs
Previous year question paper
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