JEE Main & Advanced Sample Paper JEE Main Sample Paper-38

  • question_answer 7) 'a' gm of element A reacts with 'b' gm of element B. Also 'b' gm of element B combines with 2c gm of C. If one gm equivalent of B weighs 'b' gm. Then the mass ratio in which A and C combine is

    A)  \[a:c\]              

    B)  \[a:2c\]

    C)  \[2a:c\]                        

    D)  \[3a:c\]

    Correct Answer: B

    Solution :

     \[1\,gm\]equivalent of B reacts with \[1\,gm\] equivalent (i.e., ?a? gm ) of A \[1\,gm\] equivalent of B will also react with \[1\,gm\]equivalent (i.e. \[2c\,gm\]) of C. Therefore, ratio of gm equivalents of A and C is a : 2c

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