<Tr> <Td_colspan="2"> Infobox references </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <P> Lead (II) chromate (Pb Cr O) is a chemical compound, a chromate of lead . It has a vivid yellow color and is insoluble in water, and as a result, is used in paints under the name chrome yellow . </P> <P> Lead (II) chromate may also be known as chrome yellow, chromic acid lead (II) salt, canary chrome yellow 40 - 2250, Holtint Middle Chrome, chrome green, chrome green UC61, chrome green UC74, chrome green UC76, chrome lemon, crocoite, dianichi chrome yellow G, lemon yellow, king's yellow, Leipzig yellow, lemon yellow, Paris yellow, pigment green 15, plumbous chromate, pure lemon chrome L3GS, and various other names . The mineral crocoite, occurring as orange - yellow prismatic crystals, is a moderately rare mineral known from the oxidation zones of such Pb ore beds, that were affected by chromate - bearing solutions, coming from the oxidation of primary Cr minerals (chromite) of the nearby (ultra) mafic rocks . </P>

What is the formula for the compound formed by lead (ii) chromate
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