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When 1xx10^(-3) " mol of "the chloride o...

When `1xx10^(-3)` " mol of "the chloride of an elements Y was completely hydrolysed, it was found that the resulting wsolution requried 20 " mL of " 0.1 M aqueous silver nitrate for complete precipitation of the chloride ion. Elements Y could be

A

Aluminium

B

Phosphorus

C

Silicon

D

Sulphur

Text Solution

Verified by Experts

The correct Answer is:
D
`Ycl_(n)+nH_(2)OtonHCl+Y(OH)_(n)`
`(n=` valency of `Y`)
`nHCl+nAgNO_(3)tonAgCl`
`(1)/(n)=(1xx10^(-3))/(20xx0.1xx10^(-3))`
`((Molaityxxvolume)/(1000)=mol)`
`n=2` (other have `ngt2`)
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