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Metal A is less reactive than metal B. What happens when metal A is placed in the salt of metal B?

Answer and explanation

Correct answer: No displacement will occur

The governing concept is the reactivity series and displacement reaction. A metal can displace another metal from its salt only when it is more reactive than that metal. Since A is less reactive than B, A cannot remove B from its salt solution. Thus no displacement takes place. Option B would be correct only if A were more reactive, while the other options do not describe a valid chemical change.

Related tags

ScienceClass10Reactivity-SeriesDisplacement-ReactionReactivity SeriesMetals And Non MetalsClass 10 Mcq

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