Thermochemistry - Set 7 | NUST Entrance Test

MM

Mashaal Masha

Oct 18, 2022

Choose the correct options for the following questions.

Hess's law of constant heat summation includes:

Difficulty: Easy

A:

Final products

B:

Intermediate only

C:

Initial reactants and final products

D:

Initial reactants only

The lattice energy of:

Difficulty: Easy

A:

NaCl is more positive than heat formation of NaCl

B:

NaCl is more negative than heat of formation of NaCl

C:

NaCl is less negative than heat formation of NaCl

D:

NaCl is less positive than heat of formation of NaCl

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