Chemistry-Enthalpy
NEET Chemistry Enthalpy MCQ Question
Type: MCQ-numerical-Easy-Class 11
What is the standard enthalpy change for the sublimation of 2 moles of solid CO2 at 195K?
A
50.4 kJ
B
25.2 kJ
C
73.0 kJ
D
146.0 kJ
Correct Answer
Option A
Detailed Explanation
The standard enthalpy of sublimation for solid CO2 is 25.2 kJ/mol. For 2 moles, it is 2 x 25.2 kJ/mol = 50.4 kJ.
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