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JEE Main & Advanced Chemistry Some Basic Concepts of Chemistry / रसायन की कुछ मूलभूत अवधारणाएँ Question Bank Critical Thinking

  • question_answer
    The set of numerical coefficient that balances the equation\[{{K}_{2}}Cr{{O}_{4}}+HCl\to {{K}_{2}}C{{r}_{2}}{{O}_{7}}+KCl+{{H}_{2}}O\] is [Kerala CEE 2001]

    A)                 1, 1, 2, 2, 1           

    B)                 2, 2, 1, 1, 1

    C)                 2, 1, 1, 2, 1           

    D)                 2, 2, 1, 2, 1

    Correct Answer: D

    Solution :

                    \[2{{K}_{2}}C{{r}_{2}}{{O}_{4}}+2HCl\to {{K}_{2}}C{{r}_{2}}{{O}_{7}}+2KCl+{{H}_{2}}O\]


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