Arrange the molecules in order of decreasing boiling point: h2,nh3,hcl, and h2o.
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Answer: The decreasing order of boiling points is- H2O > NH3 > HCl > H2
Explanation:
The temperature at which a liquid starts changing into vapour rapidly is known as the boiling point of that liquid. This depends on the intermolecular forces between the respective molecules.
In this case, water( H2O) has the highest boiling point because its constituent molecules are bonded by hydrogen bonding which is a strong intermolecular force. Therefore, a great temperature or energy is required to break the bonds between the water molecules.
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