Which one has the highest boiling point [CBSE PMT 1990]

1.	Which one has the highest boiling point [CBSE PMT 1990]
A.	\[0.1N\,N{{a}_{2}}S{{O}_{4}}\]
B.	\[0.1N\,MgS{{O}_{4}}\]
C.	\[0.1M\,A{{l}_{2}}{{(S{{O}_{4}})}_{3}}\]
D.	\[0.1M\,BaS{{O}_{4}}\]
Answer» D. \[0.1M\,BaS{{O}_{4}}\]

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Which one has the highest boiling point [CBSE PMT 1990]

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