1.

The correct order of chemical reactivity with water according to electrochemical series ………. .

Answer»

`K gt Mg gt Zn gt CU`
`Mg gt Zn gt Cu gt K`
`K gt Zn gt Mg gt Cu`
`Cu gt Zn gt Mg gt K`

Solution :The standard REDUCTION POTENTIAL of `K^(+), Mg^(2+), Zn^(2+), Cu^(2+)` INCREASES in this order.


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