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The P-Block Elements

Question

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Why are pentahalides more covalent than trihalides?

Solution

Higher the positive oxidation state of central atom, more will be its ploarising power which, in turn, increases the covalent character of bond formed between in central atom and the other atom.

Some More Questions From The p-Block Elements Chapter

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.

Why is H₂O a liquid and H₂S a gas?

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

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