Hydrogen And Its Compounds Question 86

Question: Triple point of water is

[AFMC 2004]

Options:

A) $ 273K $

B) $ 373K $

C) $ 203K $

D) $ 193K $

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Answer:

Correct Answer: A

Solution:

The triple point of any substance is that temperature and pressure at which the material can exist in all three phases (Solid, liquid and gas) in equilibrium specifically the triple point of water is $ 273.16K $ at $ 611.2Pa $ .