Consider the following half cell reaction ) ( O H ) aq ( Cr ) aq ( H e O Cr 3 7 The reaction was con — JEE Mains Chemistry Past Papers Chemistry Question

Question

Consider the following half cell reaction ) ( O H ) aq ( Cr ) aq ( H e O Cr 3 7 The reaction was conducted with the ratio of 2 2 3 ] O Cr [ ] Cr [ . The pH value at which the EMF of the half cell will become zero is __________. (nearest integer value) [Given: standard cell reduction potential V . F RT . , V . E 3 2 Cr / H , O Cr ].