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The P-Block Elements

Question
CBSEENCH12006706
Wired Faculty App

Arrange hydrides of group 16 in order of increasing acidic strength.

Solution

Electron density on central atom decreases and consequently its tendency to donate a pair of electron decreases and hence its Acid strength increase.

The correct order is
H2O < H2S < H2Se < H2Te.

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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