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Asked by P Murali Krishna

May 5, 2015

Why is NH3 is a liquid and PH3 a gas?

Why is NH3  is a liquid and PH3  a gas?



Swathi Ambati

Member since Apr 28, 2014

NH3  is a liquid at room temperature while PH3  is a gas. This is because in  NH3 the molecules are associated to each other through intermolecular hydrogen bonds whereas in  PH3 there is no such type of association between the molecules, hence, it exist as gas.

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