1.

The positive value of the standard electrode potential of Cu^(2+)// Cu indicates that …………… 1) This redox couple is a strongest reducing agent than the H^(+)//H_(2) couple. 2) This redox couple is a stronger oxidising agent than H^(+)//H_(2) 3) Cu cannot displace H_(2) from acid. 4) Cu cannot displaced H_(2) from acid.

Answer»

2 & 4
Only 2
3 & 4
1 7 4

ANSWER :A


Discussion

No Comment Found