Q117
Reduction of nickel from a solution of hydrogen takes places as: Ni2+ + H2 = Ni + 2H+ The maximum increase in the reduction rate can be obtained by
A.
increasing pH of solution, increasing hydrogen pressure and keeping nickel concentration constant
AnswerB.
decreasing pH and nickel ion concentration and increasing hydrogen pressure
C.
decreasing hydrogen pressure, increasing pH and removing the nickel formed continuously
D.
increasing nickel ion concentration, hydrogen pressure and pH
Answer: Option A
Solution
Answer: Option A
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