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The standard electrode potentials, in aqueous solutions, of Li, Na and K are –3.05V,
–2.71V and –2.93V respectively. It is found that Li reacts gently with water whereas potassium reacts violently with water. Which of the following statement(s) is/are correct regarding the above two experimental facts?

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Ionization potential of K is more than Lithium.

Enthalpy of hydration of Potassium is less negative than Lithium.

More negative is Standard free energy change of the reaction, faster is the reaction.

Due to lower melting point of K, heat of reaction released melts to increase surface area than Li.

answer is B, D.

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Detailed Solution

Increase in surface area increases rate of reaction.

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