A) Conc. \[{{H}_{2}}S{{O}_{4}}/70{{\,}^{o}}C\]
B) Dil. \[{{H}_{2}}S{{O}_{4}}/140{{\,}^{o}}C\]
C) Dil\[{{H}_{2}}S{{O}_{4}}/100{{\,}^{o}}C\]
D) Conc. \[{{H}_{2}}S{{O}_{4}}/170{{\,}^{o}}C\]
Correct Answer: D
Solution :
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