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