Chemistry-Enthalpy

NEET Chemistry Enthalpy Match the Following Question

Type: Match the Following-match the column-Easy-Class 11

Match Column-I with Column-II.

Column-I Column-II (a) Standard Enthalpy Change (i) (sum of enthalpies of products) – (sum of enthalpies of reactants) (b) Enthalpy of Combustion (ii) -2.48 × 10² kJ mol⁻¹ (c) Enthalpy of Vaporization (iii) 44.01 kJ mol⁻¹ (d) Enthalpy of Fusion (iv) 6.00 kJ mol⁻¹

Choose the correct matching:

A

a-i, b-ii, c-iii, d-iv

B

a-ii, b-i, c-iv, d-iii

C

a-iv, b-iii, c-i, d-ii

D

a-iii, b-iv, c-ii, d-i

Correct Answer

Option A

Detailed Explanation

The standard enthalpy change is calculated as the difference between the sum of enthalpies of products and reactants (i). The enthalpy of combustion for graphite is given as -2.48 × 10² kJ mol⁻¹ (ii). The enthalpy of vaporization of water is 44.01 kJ mol⁻¹ (iii), and the enthalpy of fusion of ice is 6.00 kJ mol⁻¹ (iv).

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