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Question

In general, when metal oxides react with water, the resulting solution may be called as:


A

Neutral

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B

Basic

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C

Acidic

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D

Coloured

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Solution

The correct option is B

Basic


The explanation for the correct option:

B. Basic

The reaction of metallic oxide with water:

  • When metallic oxides react with water, it forms a basic hydroxide salt.
  • The general chemical reaction can be depicted as:

Metallicoxide+waterBasichydroxidesolution

Example:

  • When sodium oxideNa2O reacts with waterH2O, it forms a sodium hydroxideNaOH solution which is alkaline in nature.
  • The chemical reaction can be depicted as:

Na2O(s)+H2O(l)2NaOH(aq)

The explanation for incorrect options:

When metal oxides react with water, the resulting solution may be called basic. Thus options A, C, and D are incorrect.

Hence, the correct option is B i.e. Basic.


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