Question:
$NH_3$ has a much higher b.p. than $PH_3$ because
$NH_3$ has a much higher b.p. than $PH_3$ because
Updated On: Jul 6, 2022
- $NH_3$ has a larger molecular weight
- $NH_3$ undergoes umbrella inversion
- $NH_3$ forms hydrogen bond
- $NH_3$ contains ionic bonds whereas $PH_3$ contains covalent bonds.
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The Correct Option is C
Solution and Explanation
Boiling point of $NH_3$ is much more than $PH_3$. It is due to extensive H-bonding in $NH_3$.
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Concepts Used:
Group 15 Elements
Group 15 elements are also known as nitrogen group elements or nitrogen family.
It consists of:
- Nitrogen (N)
- Phosphorus (P)
- Arsenic (As)
- Antimony (Sb)
- Bismuth (Bi)
- Moscovium (Mc)
They are present on the right side of the periodic table. All the elements are arranged based on their atomic weight. The elements with similar properties reside in a column called the group.
All Group 15 elements have the electron configuration ns2np3 in their outer shell, where n is the principal quantum number.
Periodic Trends in Group 15 Elements
