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The p-Block Elements
Question
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Explain why phosphorus forms PF5 while nitrogen does not form NF5.

Answer

Nitrogen is small in size and it cannot stabilize five flourine but phosphorus can stabilize five fluorine atom because of larger in size and it also have vacant d- orbitals. So due to having extra space phosphorus form PF5 .

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Some More Questions From The p-Block Elements Chapter

What is the covalency of nitrogen in N2O5?

Bond angle in PH4+ is higher than that in PH3. Why?

Write a balanced equation for the hydrolytic reactions PCl5 in heavy water.

What is the basicity of H3PO4?

What happens when H3PO3 is heated?

List the important source of sulphur.

Write the order of thermal stability of the hydrides of Group 16 elements.