Consider the following reactions. PbCl2 + K2CrO4 A + 2KCl (Hot solution) A + NaOH B + Na2CrO4 PbSO4 + 4CH3COONH4 (NH4)2SO4 + X In the above reactions, A, B and X are respectively. (A) Na2[Pb(OH)2],PbC

Question

Consider the following reactions. PbCl2 + K2CrO4 A + 2KCl (Hot solution) A + NaOH B + Na2CrO4 PbSO4 + 4CH3COONH4 (NH4)2SO4 + X In the above reactions, A, B and X are respectively.

(A) Na2[Pb(OH)2],PbCrO4 and (NH4)2[Pb(CH3COO)4]
(B) PbCrO4, Na2[Pb(OH)4] and [Pb(NH3)4]SO4
(C) Na2[Pb(OH)2], PbCrO4 and [Pb(NH3)4]SO4
(D) PbCrO4, Na2[Pb(OH)4] and (NH4)2[Pb(CH3COO)4]

Prashant Kotian · Accepted Answer

Correct answer: D. (Hot solution) PbCl + K2CrO4  (A) PbCrO + 2KCl PbCrO4 + 4NaOH (excess)    4 (B) Na Pb OH     + Na2CrO4 PbSO4 + 4CH3COONH4      3 4 (X) NH [Pb CH COO ] + (NH4)2SO4

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