The P-Block Elements

Question

Why HF has abnormally high melting and boiling points?

Solution

Boiling point and also melting point is a function of intermolecular forces of attraction within molecules. HF has a normally high melting and boiling points due to hydrogen bonding.

Some More Questions From The p-Block Elements Chapter

What is the covalency of nitrogen in N₂O₅?

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The P-Block Elements

Why HF has abnormally high melting and boiling points?

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.

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

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The P-Block Elements

Why HF has abnormally high melting and boiling points?

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.

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

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?