Question

Consider the following statements I) Metal X displace Y from its salt solution but not hydrogen from water or dilute acid. II) Metals Z and A both release hydrogen with dilute acids. III) Metal Z releases hydrogen with nitric acid but metal A does not. IV) Metal A is not able to displace metal Z from its salt solution On the basis of above observations, the order of reactivity of these metals is​

Answer 1

Explanation:

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Answer 2

Answer:

Z>A>X>Y

Explanation:

metal Z is magnesium

metal A is aluminium

Metal X may be copper

Metal Y may be Silver

so reactivity order is Z>A>X>Y