Question:

The heat of neutralisation is maximum when

Updated On: Aug 1, 2022
  • sodium hydroxide is neutralised by acetic acid
  • ammonium hydroxide is neutralized by aceticacid
  • ammonium hydroxide is neutralized by hydrochloric acid
  • sodium hydroxide is neutralized by hydro-chloric acid
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The Correct Option is D

Solution and Explanation

Heat of neutralisation of strong acid-strong base and vice versa is maximum
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Concepts Used:

Specific Heat Capacity

Specific heat of a solid or liquid is the amount of heat that raises the temperature of a unit mass of the solid through 1°C.

Molar Specific Heat:

The Molar specific heat of a solid or liquid of a material is the heat that you provide to raise the temperature of one mole of solid or liquid through 1K or 1°C. 

Specific Heat at Constant Pressure or Volume:

The volume of solid remains constant when heated through a small range of temperature. This is known as specific heat at a constant volume. It is denoted as CV.

The pressure of solid remains constant when heated through a small range of temperature. This is known as specific heat at constant pressure which can be denoted as CP.