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Question 600082
JEE Chemistry · Medium

Mole Concept and Stoichiometry: Percentage Yield MCQ

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Percentage YieldMediumQuestion 600082

Question

Aniline is prepared from nitrobenzene with 75% yield. To get 93 g of aniline (M=93), grams of nitrobenzene (M=123) needed are:
  1. A
    123 g
  2. B
    164 g
    Correct
  3. C
    246 g
  4. D
    82 g

Correct answer

164 g

Explanation

Moles aniline needed = 93/93 = 1 mol. At 75% yield: moles nitrobenzene = 1/0.75 = 1.333 mol. Mass = 1.333 × 123 = 164 g.

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