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Trishana Nagi
Asked: 2022-11-07T17:39:33+05:30 In:

`A` and `B` are two salts. A with dilute `HCl` and `B` with con. `H_(2)SO_(4)` react to give reddish brown vapours, hence `A` and `B` respectively are :
A. `NaBr, NaNO_(3)`
B. `NaNO_(3), NaBr`
C. `NaBr, NaNO_(2)`
D. `NaNO_(2),NaBr`

`A` and `B` are two salts. A with dilute `HCl` and `B` with con. `H_(2)SO_(4)` react to give reddish brown vapours, hence `A` and `B` respectively are :
A. `NaBr, NaNO_(3)`
B. `NaNO_(3), NaBr`
C. `NaBr, NaNO_(2)`
D. `NaNO_(2),NaBr`
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1 Answer

  1. Correct Answer – D
    `NaNO_(2)` gives `NO_(2)(`brown`)` with dil. Acids whereas `NaBr` and `NaNO_(2)` both give brown vapours `Br_(2)` and `NO_(2)` respectively with conc. Acids.

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