2. Questions Bank
  3. NEET
  4. Chemistry
  5. Electrochemistry / विद्युत् रसायन

NEET Chemistry Electrochemistry / विद्युत् रसायन Question Bank Self Evaluation Test - Electrochemistry

  • question_answer
    In a cell that utilises the reaction \[Zn(s)+2{{H}^{+}}(aq)\to Z{{n}^{2+}}(aq)+{{H}_{2}}(g)\] addition of \[{{H}_{2}}S{{O}_{4}}\] to cathode compartment, will

    A) increase the E and shift equilibrium to the right

    B) lower the E and shift equilibrium to the right

    C) lower the E and shift equlibrium to the left

    D) increase the E and shift equilibrium to the left

    Correct Answer: A

    Solution :

    [a] \[Zn(s)+2{{H}^{+}}(aq)\rightleftharpoons Z{{n}^{2+}}(aq)+{{H}_{2}}(g)\] \[{{E}_{cell}}=E{{{}^\circ }_{cell}}-\frac{0.059}{2}\log \frac{[Z{{n}^{2+}}][{{H}_{2}}]}{{{[{{H}^{+}}]}^{2}}}\] Addition of \[{{H}_{2}}S{{O}_{4}}\] will increase \[[{{H}^{+}}]\]and \[{{E}_{cell}}\] will also increase and the equilibrium will shift towards RHS


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