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Paris green was used as a pigment due to...

Paris green was used as a pigment due to unique light green colour but now-a-days it is used as an insecticide. It is prepared by boiling verdigris (basic acetate of copper) arsenious oxide and acetic acid together. It is ( C H 3 C O O ) 2 C u .3 C u ( A s O 2 ) 2 C u 3 ( A s O 4 ) 2 C u 4 ( C H 3 C O O ) 2 ( A s O 2 ) 2 C u ( O H ) 2 . C u 3 A s 2

A

`(CH_3COO)_2 Cu .3 Cu (AsO_2)_2`

B

` Cu_2 (AsO_4)_2`

C

`Cu_4(CH_3 COO)_2 (AsO_2)_2`

D

`Cu(OH)_2 Cu_3 As_2`

Text Solution

Verified by Experts

The correct Answer is:
A
Its chemical name is copper (II) acetoarsenite. It is extremely toxic blue green solid.
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