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Question

Chemistry Question on GROUP 1 ELEMENTS

The correct increasing order of the magnitude of standard enthalpies of formation for group-1 halides is?

A

NaI < NaF < NaBr < NaCl

B

NaI < NaBr < NaCl < NaF

C

NaF < NaCl < NaBr < NaI

D

NaCl < NaBr < NaF < NaI

Answer

NaI < NaBr < NaCl < NaF

Explanation

Solution

The correct increasing order of the magnitude of standard enthalpies of formation for group-1 halides is
NaI < NaBr < NaCl < NaF