To a solution of colourless sodium salt, a solution of lead nitrate was added to have a white precipitate which dissolves in warm water and reprecipitates on cooling. Which of the following acid radical is present in the salt?

Question

To a solution of colourless sodium salt, a solution of lead nitrate was added to have a white precipitate which dissolves in warm water and reprecipitates on cooling. Which of the following acid radical is present in the salt? (A) Cl - (B) SO 42- (C) S- (D) NO 3-

Tardigrade Admin · Accepted Answer

2 NaCl + Pb ( NO 3)2 arrow PbCl 2(p p t)+2 NaNO 3

Q. To a solution of colourless sodium salt, a solution of lead nitrate was added to have a white precipitate which dissolves in warm water and reprecipitates on cooling. Which of the following acid radical is present in the salt?

$C l^{-}$

$S O_{4}^{2 -}$

$S^{-}$

$N O_{3}^{-}$

$2 N a Cl + P b (N O_{3})_{2} \to P b C l_{2} (ppt) + 2 N a N O_{3}$

Q. To a solution of colourless sodium salt, a solution of lead nitrate was added to have a white precipitate which dissolves in warm water and reprecipitates on cooling. Which of the following acid radical is present in the salt?

Cl−

SO42−​

S−

NO3−​

2NaCl+Pb(NO3​)2​→PbCl2​(ppt)+2NaNO3​

$C l^{-}$

$S O_{4}^{2 -}$

$S^{-}$

$N O_{3}^{-}$

$2 N a Cl + P b (N O_{3})_{2} \to P b C l_{2} (ppt) + 2 N a N O_{3}$