The formula of the purple colour formed in Laissaigne’s test for sulphur using sodium…
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The formula of the purple colour formed in Laissaigne’s test for sulphur using sodium nitroprusside is (JEE Main 2022)
- NaFe[Fe(CN)6]
- Na[Cr(NH3)2(NCS)4]
- Na2[Fe(CN)5(NO)]
- Na4[Fe(CN)5(NOS)]
Answer
(D) Na 4 [Fe(CN) 5 (NOS)]
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