When acidified sodium extract of organic compound is treated with acetic cid and lead acetate, blacke precipitate is obtained. This suggests that the

Question

When acidified sodium extract of organic compound is treated with acetic cid and lead acetate, blacke precipitate is obtained. This suggests that the

When acidified sodium extract of organic compound is treated with acetic cid and lead acetate, blacke precipitate is obtained. This suggests that the organic compund contains
A. halogen
B. phosphorus
C. sulphur
D. nitrogen

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Correct Answer - C
The formation of balcke precipitate indicates the presence of sulphur in an organic compound. The sodium extract of organic compound contaisn `Na_(2)` S which forms a blanc precipitate of PbS when treated with lead acetate.
`Na_(2)S+underset("Lead acetate")((CH_(3)COD)_(2) ) Pb to underset(("black ppt")) underset("Lead sulphide")(PbS darr) +CH_(3)CONa`