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The P-Block Elements

Question

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Which one of the following ionic species has the greatest proton affinity to form stable compound?

HS^-

NH₂^-

F^-

I^-

Solution

C.

F^-

Fluorine is the most electronegative element in the periodic table. So, it has the greatest proton affinity to form stable compounds

Some More Questions From The p-Block Elements Chapter

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.

Why is H₂O a liquid and H₂S a gas?

Which of the following does not react with oxygen directly?
Zn, Ti, Pt, Fe

Complete the following reactions
(i) C₂H₄ + O₂→
(ii) 4Al + 3O₂→

Why does O₃ act as a powerful oxidising agent?

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