Q34. The equilibrium $\mathrm { Cr } _ { 2 } \mathrm { O } _ { 7 } ^ { 2 - } \rightleftharpoons 2 \mathrm { CrO } _ { 4 } ^ { 2 - }$ is shifted to the right in :\\
(1) an acidic medium\\
(2) a basic medium\\
(3) a neutral medium\\
(4) a weakly acidic medium