Class 11

7. Equilibrium question bank (Chemistry)

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Q1.

For the reaction, \( A + B \rightleftharpoons C + D \), \( K_c = 9 \).  
If A and B are taken 1 mole each, then the amount of C at equilibrium is:

(A)
1
(B)
0.25
(C)
0.75
(D)
None of these
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Q2.

In which reaction does equilibrium move to the left-hand side when pressure is increased:

(A)
\( H_2(g) + Cl_2(g) \rightleftharpoons 2HCl(g) \)
(B)
\( 2Mg(s) + O_2(g) \rightleftharpoons 2MgO(s) \)
(C)
\( 2H_2O(g) \rightleftharpoons 2H_2(g) + O_2(g) \)
(D)
\( N_2(g) + 3H_2(g) \rightleftharpoons 2NH_3(g) \)
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