Which of the following salt will not give positive brown ring test?

C u (N O_{3})_{2}

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P b (N O_{3})_{2}

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Z n (N O_{3})_{2}

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M g (N O_{3})_{2}

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Solution

The correct option is B $P b (N O_{3})_{2}$
$P b (N O_{3})_{2}$ does not give brown ring test because $P b^{+ +}$ forms insoluble sulphate with $H_{2} S O_{4} .$

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K M n O_{4}

Out of the following which one gives Brown Ring Test?

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