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In Carius tube the compound ClCH(2)-COOH...

In Carius tube the compound `ClCH_(2)-COOH ` was heated with fuming ` HNO_(3) " and " AgNO_(3)`.After filtration and washing,a white ppt.was formed
The ppt. is

A

`AgNO_(3)`

B

`AgCl`

C

`Ag_(2)SO_(4)`

D

`ClCH_(2)COOHAg`

Text Solution

Verified by Experts

The correct Answer is:
B
Halogen compounds `+underset((Cl))(HNO_(3))+AgNO_(3)toAgCl`
`V.D= (Wt. of 45ml " of vapours at NTP")/(Wt. "of " 45 ml "of" H_(2) "at NTP")`
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In Carius tube, the compound ClCH_(2)COOH was heated with fuming HNO_(3) and AgNO_(3) . After filtration and washing, a white precipitate was formed. The precipitate is of

Estimation of halogens: Carius method: A known mass of compound is heated with conc. HNO_(3) in the pressure of AgNO_(3) contained in a hard glass tube known as Carius tube in a furance . C and H are oxidised to CO_(2) and H_(2)O . The halogen forms the corresponding AgX. It si filtered m dried and weighted . Extimation of sulphur: A known mass of compound is heated with fuming HNO_(3) or sodium peroxide (Na_(2)O_(2)) in the presence of BaCl_(2) solution in Carius tube. Sulphur is oxidised to H_(2)SO_(4) and percipipated as BaSO_(4) .It is filtered , dried and weighed. Percentage of S =("Atomic mass of S")/("Molecular mas of" BaSO_(4)) xx ("Mass of" BaSO_(4) xx 100)/("Mass of compound") 0.15 gm of an organic compound gave 0.12 gm of silver bromide by the Carius method. Find the percentage of bromine in the compound.

Estimation of halogens: Carius method: A known mass of compound is heated with conc. HNO_(3) in the pressure of AgNO_(3) contained in a hard glass tube known as Carius tube in a furance . C and H are oxidised to CO_(2) and H_(2)O . The halogen forms the corresponding AgX. It si filtered m dried and weighted . Extimation of sulphur: A known mass of compound is heated with fuming HNO_(3) or sodium peroxide (Na_(2)O_(2)) in the presence of BaCl_(2) solution in Carius tube. Sulphur is oxidised to H_(2)SO_(4) and percipipated as BaSO_(4) .It is filtered , dried and weighed. Percentage of S =("Atomic mass of S")/("Molecular mas of" BaSO_(4)) xx ("Mass of" BaSO_(4) xx 100)/("Mass of compound") 0.2595 gm of an organic substance when treated by Carius method gave 0.35 gm of BaSo_(4) . Calculate the percentage of sulphur in the compound.

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