Question

Arrange H2O, H2S, H2Se, H2Te according to their increasing boiling point

Answer 1

H2O>H2Te>H2Se>H2S>

water makes strong hydrogen bonds that is why it has highest boiling point.

Answer 2

The given substances according to their increasing boiling points can be arranged as $H_2O>H_2Te>H_2Se>H_2S.$.

Explanation:

• It is obvious that $H_2O$ will have the highest boiling point as it has hydrogen bonding.

• The remaining compounds like $H_2S,H_2Se,H_2Te$ have the same group in the periodic table.

• Therefore they will have the same type of bonding and forces influencing them.

• Therefore our next course would be looking at the molecular weight. Therefore by that condition $H_2Te$ has the higher molecular weight than $H_2S$ and $H_2Se$ and hence it is bound to have the highest boiling point amongst the three.

Learn more about increasing boiling point:

Arrange compound in increasing order of boiling point →bromoethane,bromoform,chloromethane,dibromomethane

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Arrange the following compounds in increasing order of boiling point.

Propan - 1- ol, butan - 1 - ol, butan - 2 - ol, pentan - 1 - ol

(a) Propan-1-ol, butan-2-ol, butan-1-ol, pentan-1-ol

(b) Propan-1-ol, butan-1-ol, butan-2-ol, pentan-1-ol

(c) Pentan-1-ol, butan-2-ol, butan-1-ol, propan-1-ol

(d) Pentan-1-ol, butan-1-ol, butan-2-ol, propan-1-ol

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