A) Assertion-After neutralisation reaction the temperature of the solution rises. B) Reason - Neutralisation reaction results in formation of salt and water with the evolution of heat
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A and R are true and R is correct reason for A
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Both Assertion and Reason are correct.
Explanation: When an acid and a base react to generate a salt and water, the heat (or enthalpy) of neutralisation (ΔH) is released. Because neutralisation processes are often exothermic( temperature of the solution rises), ΔH is negative.
No formal bonds are broken since strong acids and bases are totally dissociated in solution. The exothermic nature of the neutralisation reaction is due to the production of two extremely strong covalent bonds between hydrogen and the hydroxide ion.
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