Question

among h2o nh3 ch4 and hf the poorest acid is

Answer 1

Answer:

h20

Explanation:

because it is not an acid

Answer 2

The poorest acid is $CH_4$.

Explanation:

• An Acidic character of a compound depends on the individual atom in it and the difference between their electronegativity.

• The word electronegativity refers to the 'power of an atom to attract the electron' more tightly towards it .

• Among the given compounds Fluorine is the most electronegative atom then the oxygen then nitrogen and at last is the Hydrogen atom.

• So the order of decreasing acidic character is $HF>H_2O >NH_3>CH_4$ . Hence the poorest acid is $CH_4$.

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