Question-10023

Question Number 10023 by Tawakalitu ayo mi last updated on 21/Jan/17

Answered by ridwan balatif last updated on 21/Jan/17

6.2 {Ni}^{2 +} + {2 e}^{-} \to {Ni}_{(s)} \to reduction

{Zn}^{2 +} + {2 e}^{-} \to {Zn}_{(s)} \to oxidation

E^{o} cell = E_{reduction}^{o} - E_{oxidation}^{o}

= - 0.23 - (- 0.76)

= - 0.23 + 0.76

= 0.53 V

Commented by Tawakalitu ayo mi last updated on 21/Jan/17

wow, God bless you sir .

Answered by ridwan balatif last updated on 21/Jan/17

6.1 reaction will be spontaneous if E^{o} > 0, so

the answer is

(a) . spontaneous

(b) . spontaneous

(c) . spontaneous

(f) . spontaneous

Commented by Tawakalitu ayo mi last updated on 21/Jan/17

i really appreciate sir .