Playing with water \text{water} !

Chemistry Level 2

What kind of oxide is water?

Basic. Neutral. Amphoteric. Acidic.

Ekene Franklin by EKENE FRANKLIN , 16, Nigeria

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1 solution

Ram Mohith
Nov 9, 2018

Water has the ability to act as an acid as well as base. It acts as an acid with N H 3 NH_3 and as a base with H 2 S H_2S . H X 2 O ( l ) + N H X 3 ( a q ) → O H X − ( a q ) + N H X 4 X + ( a q ) H X 2 O ( l ) + H X 2 S ( a q ) → H X 3 O X + ( a q ) + H S X − ( a q ) \ce{H_2O (l) + NH_3 (aq) \rightarrow OH^- (aq) + NH_4 ^+ (aq)} \\ \ce{H_2O (l) + H_2S (aq) \rightarrow H_3O^+ (aq) + HS^- (aq)} The auto-protolysis of water takes place as follows : H X 2 O ( l ) + H X 2 O ( l ) → H X 3 O X + ( a q ) + O H X − ( a q ) \ce{H_2O (l) + H_2O (l) \rightarrow H_3O^+(aq) + OH^- (aq)}

2 Helpful 0 Interesting 0 Brilliant 0 Confused

@Ram Mohith Just a minor typo.......it should be auto-protolysis.........!!!

Aaghaz Mahajan - 2 years, 7 months ago

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Thanks. Updated it.

Ram Mohith - 2 years, 7 months ago

Good solution, bro.

EKENE FRANKLIN - 2 years, 7 months ago

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Thank you.

Ram Mohith - 2 years, 7 months ago

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Some who still dwell in the shadow of Arhennius myopic theory of acids and bases, may say water is a neutral oxide.

EKENE FRANKLIN - 2 years, 7 months ago

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@Ekene Franklin – Yes. Also, they say that the pH value of pure and distilled water is equal to 7.

Ram Mohith - 2 years, 7 months ago

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