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Question

Which of the following are correct?

A
Sodium hypochlorite - NaClO2
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B
Sodium Perchlorate - NaClO4
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C
Sodium Chlorite - NaClO
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D
Sodium Chlorate - NaClO3
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Solution

The correct option is D Sodium Chlorate - NaClO3
If a compound contains two elements and oxygen following rules are followed:
Name of compound = First element name + second element name + Suffix
In case of prefix, it is added before second element name.

1. Prefix ‘hypo’ is used if number of oxygen < 2
2. Suffix ‘ite’ is used if number of oxygen atom = 2
3. Suffix ‘ate’ is used if number of oxygen atom = 3
4. Prefix ‘per’ is used if number of oxygen atom > 3

The correct naming of the given compounds are:
Sodium Chlorite NaClO2 Sodium Hypochlorite NaClO Sodium Perchlorate NaClO4 Sodium Chlorate NaClO3


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