Chemistry-Enthalpy

NEET Chemistry Enthalpy MCQ Question

Type: MCQ-numerical-Medium-Class 11

Calculate the enthalpy change for the reaction Na(s) → Na(g) if the enthalpy of atomization for Na is given as 108.4 kJ mol⁻¹.

A

108.4 kJ mol⁻¹

B

0 kJ mol⁻¹

C

-108.4 kJ mol⁻¹

D

216.8 kJ mol⁻¹

Correct Answer

Option A

Detailed Explanation

The enthalpy change for the process Na(s) → Na(g) is the enthalpy of atomization, given as 108.4 kJ mol⁻¹ in the NCERT context.

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