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1 mol each of H(3)PO(2),H(3)PO(3) and H(...

`1` mol each of `H_(3)PO_(2),H_(3)PO_(3)` and `H_(3)PO_(4)` will neutralise `x` mole of `NaOH, y` mol of `Ca(OH)_(2)` and `z` mol of `Al(OH)_(3)` (assuming all as strong electrolytes) respectively. `x,y,z` are in the ration of :

A

`3 : 1.5 : 1`

B

`1:2:3`

C

`3:2:1`

D

`1:1:1`

Text Solution

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The correct Answer is:
D
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1 mol of H_(3)PO_(2), H_(3)PO_(3) and H_(3)PO_(4) will neutralise x mol NaOH , y mol of Ca(OH)_(2) and z mol of Al(OH)_(3) respectively (assuming all as strong electrolytes). x, y, z are in the ratio of:

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