Standard electrode potential of three metals X, Y and Z are -1.2 V , +0.5 V and -3.0 V respectively. The reducing power of these metals will be :

NEET 2011 Chemistry question

Standard electrode potential of three metals X, Y and Z are , and respectively. The reducing power of these metals will be :

(1)Y > Z > X
(2)X > Y > Z
(3)Z > X > YCorrect
(4)X > Y > Z

Answer: (3)

Solution

Reducing power of a metal is its tendency to lose electrons (be oxidised), which increases as its standard reduction potential becomes more negative. The order of potentials is \circ_Z\circ_X$ (-1.2\

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Question ID VK-090777