JEE Main & Advanced JEE Main Paper (Held On 09-Jan-2019 Evening)

  • question_answer
    Consider the following reversible chemical reactions:
    \[{{A}_{2}}(g)\,\,+\,\,{{B}_{2}}\,(g)\,\,\,\,\,2AB\,(g)\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,.......\,(1)\]
    \[6AB\,(g)\,\,\,\,\,3{{A}_{2}}\,(g)\,\,+3{{B}_{2}}\,(g)\,\,\,\,\,\,\,\,\,\,\,\,\,.......\,\,(2)\]
    The relation between \[{{K}_{1}}\,\,\,and\,\,\,{{K}_{2}}\] is: [JEE Main Online Paper (Held On 09-Jan-2019 Evening]

    A) \[{{K}_{2}}={{K}_{1}}^{-3}\] 

    B) \[{{K}_{1}}{{K}_{2}}\,\,=\,\,\frac{1}{3}\]

    C) \[{{K}_{1}}{{K}_{2}}\,\,=\,\,3\]     

    D)               \[{{K}_{2}}={{K}_{1}}^{3}\]

    Correct Answer: A

    Solution :

    \[{{K}_{1}}=\,\frac{{{\left[ AB \right]}^{2}}}{\left[ {{A}_{2}} \right]\left[ {{B}_{2}} \right]}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,......\,(1)\] \[{{K}_{2}}=\,\frac{{{\left[ {{A}_{2}} \right]}^{3}}{{\left[ {{B}_{2}} \right]}^{3}}}{{{\left[ AB \right]}^{6}}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,......\,(2)\] From Eq. (1) & (2) \[{{K}_{2}}\,=\,{{\left( \frac{1}{{{k}_{1}}} \right)}^{3}}\] \[{{K}_{2}}\,=\,{{K}_{{{1}^{-3}}}}\]                        


You need to login to perform this action.
You will be redirected in 3 sec spinner