Polyphosphates are used as water softeni...

Polyphosphates are used as water softening agents because they

A

form solute complexes anionic species

B

precipitate anionic species

C

form soluble complexes with cationic species

D

precipitate cationic species

Text Solution

Verified by Experts

The correct Answer is:

C

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Knowledge Check

Polyphosphates are used for softening agents because they

A

form soluble complexes with anionic species

B

percipitate anionic species

C

form soluble complexes with cationic species

D

percipitate cationic species.

Polyphosphates llike sodium hexametaphosphate (calgon) are used as water softening agents because they

A

form soluble complexes with anionic species

B

precipitate anionic species

C

form soluble complexes with cationic species

D

precipitate cationic species.

Calgon used as water softener is

A

`Na_(2)[Na_(4)(PO_(3))_(6)]`

B

`Na_(4)[Na_(4)(PO_(3))_(6)]`

C

`Na_(2)[Na_(4)(PO_(4))_(5)]`

D

`Na_(4)[Na_(2)(PO_(4))_(6)]`.

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