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A solid non-metal A on exposure to air f...

A solid non-metal A on exposure to air forms a compound B which on dissolution in water forms the highest oxyacid C. Identify different type of salts which can be formed when C reacts with caustic potash.

Text Solution

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`underset(A)(4P) +5O_(2) to underset(B)(2P_(2)O_(5))`
`underset(B)(P_(2)O_(5) ) +3H_(2)O to underset(C )(2H_(3)PO_(4))`
`H_(3)PO_(4) +KOH to KH_(2)PO_(4) +H_(2)O`
`H_(3)PO_(4) +2KOH to K_(2)HPO_(4) +2H_(2)O`
`H_(3)PO_(4) +3KOH to K_(3)PO_(4) +3H_(2)O`
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