Chemistry-Hess's Law
NEET Chemistry Hess's Law Match the Following Question
Type: Match the Following-match the column-Medium-Class 11
Match Column-I with Column-II.
| Column-I | Column-II |
|---|---|
| (a) Enthalpy is a state function | (i) Change in enthalpy is zero |
| (b) Reversed reaction enthalpy | (ii) Sum of intermediate enthalpies |
| (c) Hess's Law | (iii) Independent of reaction path |
| (d) Enthalpy change for one step | (iv) Reversed in sign |
A
a-iii, b-iv, c-ii, d-i
B
a-ii, b-iv, c-iii, d-i
C
a-i, b-iii, c-ii, d-iv
D
a-iii, b-ii, c-iv, d-i
Correct Answer
Option A
Detailed Explanation
Hess's Law states that the change in enthalpy is independent of the path taken between reactants and products, thus confirming that enthalpy is a state function. Additionally, when a chemical equation is reversed, the enthalpy change also reverses in sign.
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