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Question

Na2CrO4 on treatment with lead acetate gives a precipitate. This dried precipitate is used as a pigment for road signs and markings . The solid is known as:


  1. White lead
  2. Chrome green
  3. Chrome yellow
  4. Red lead

A
Chrome yellow
B
Red lead
C
Chrome green
D
White lead
Solution
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Na2CrO4+(CH3COO)2PbPbCrO4+2CH3COONa

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