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JEE Main & Advanced Chemistry Some Basic Concepts of Chemistry / रसायन की कुछ मूलभूत अवधारणाएँ Question Bank Self Evaluation Test - Some Basic Concepts of Chemistry

  • question_answer
    5 g of benzene on nitration gave 6.6 g of nitrobenzene. The theoretical yield of the nitrobenzene will be

    A) 4.5 g                

    B) 5.6 g

    C) 8.09 g

    D) 6.6 g

    Correct Answer: C

    Solution :

    [c] \[\underset{78g}{\mathop{{{C}_{6}}{{H}_{6}}}}\,+HN{{O}_{3}}\to \underset{123g}{\mathop{{{C}_{6}}{{H}_{5}}N{{O}_{2}}}}\,+{{H}_{2}}O\] Now since 78g of benzene on nitration give = 123g nitrobenzene hence 5g of benzene on nitration give \[=\frac{123}{78}\times 5=7.88g\] nearest answer is [c] i.e. theoritical yield =7.88g  


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