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>> $The formula of calgon is: | Chemistry Qu$

Question

The formula of calgon is:

A

$N a_{2} [N a_{4} (P O_{3})_{6}]$

B

$N a_{4} [N a_{2} (P O_{3})_{6}]$

C

$N a_{4} [N a_{2} (P O_{3})_{3}]$

D

$N a_{2} [N a_{4} (P O_{3})_{4}]$

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Updated on : 2022-09-05

Solution

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Correct option is A)

The formula of calgon is $N a_{2} [N a_{4} (P O_{3})_{6}]$ . Calgon is a trade name of a complex salt, sodium hexametaphosphate $(N a P O_{3})_{6}$ . It is used for softening hard water.
Calgon ionizes to give a complex anion.

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