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Hydroquinone Is an Antioxidant That Is Also Used as a Photographic

Question 25

Multiple Choice

Hydroquinone is an antioxidant that is also used as a photographic reducer and developer.The normal boiling point of hydroquinone is 310°C.Calculate the pressure at which hydroquinone will boil at 200°C given that its ΔHvap is 73.38 kJ/mol.


A) 1.210 × 10-4 mm Hg
B) 1.35 mm Hg
C) 22.5 mm Hg
D) 757 mm Hg

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