Question

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q) which of the following order is correct regarding reactivity of alkali metals with water​

Answer 1

Answer:

i> Cs<Rb<K<Na<Li

Explanation:

Cesium<rubydium<kalium<nattrium<lithium

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Answer 2

Answer:

Cs>Rb>K>Na>Li is the order of reactivity of alkali metals with water

Explanation:

• Alkali metals react with water to give metal hydroxide and hydrogen gas.
• As we go down the group, the reactivity increases .
• Moving down the group, the size of the alkali metals increases.
• So the outermost electron loosely bind to the nucleus which is easily available for the reaction.
• So as we move down the group, the reactivity of alkali metals with water increases.
• So the order of the reactivity of Group 1 metals is as follows Cs>Rb>K>Na>Li.