Temperature (° Celsius) 100⁰ 8 0° -100- -200° H₂O HF NH3 CH₁ 20 PH H₂S На SIH4 35 H₂Se HBr Get 80 Molecular Weight 4 H₂

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Temperature (° Celsius) 100⁰ 8 0° -100- -200° H₂O HF NH3 CH₁ 20 PH H₂S На SIH4 35 H₂Se HBr Get 80 Molecular Weight 4 H₂

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Temperature (° Celsius) 100⁰ 8 0° -100- -200° H₂O HF NH3 CH₁ 20 PH H₂S На SIH4 35 H₂Se HBr Get 80 Molecular Weight 4 H₂ Te SbH; HI SnHa 130

3b. Since oxygen belongs to group 6A, while F belongs to group 7A, water should have lower boiling points than HF according to the trend. Why is water placed above HP in the boiling point curves? Draw diagrams to explain your answer. (4)
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