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Doctors Medicines MCQs Q&A

Which of the following azeotropes is not correctly matched ?
A. `HNO_3` (68%) +`H_2O`(32%) ,Maximum boiling azeotrope , boiling point =393.5 K
B. `H_2O`(43%) + HI(57%) : Minimum boiling azeotrope , boiling point =290 K
C. `C_2H_5OH` (95.5%) + `H_2O` (4.5%) : Minimum boiling azeotrope , boiling point = 351.15 K
D. Chloroform (93.2%) +`C_2H_5OH`(6.8%) : Minimum boiling azeotrope, boiling point =332.3 K

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Correct Answer - B
`H_2O` (43%) and HI (57%) make maximum boiling azeotropic mixture on boiling at 400 K.

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