A compound is soluble in conc. `H_2SO_4`. It does not decolourise bromine in carbon tetrachloride but is oxidised by chromic abhydride in aqueous sulp

Question

A compound is soluble in conc. `H_2SO_4`. It does not decolourise bromine in carbon tetrachloride but is oxidised by chromic abhydride in aqueous sulp

A compound is soluble in conc. `H_2SO_4`. It does not decolourise bromine in carbon tetrachloride but is oxidised by chromic abhydride in aqueous sulphuric acid with in two seconds, turning orange solution to blue, green and then opaque. The original compound is
A. a primary alcohol
B. a tertiary alcohol
C. an alkene
D. an ether.

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 - A
Solubility of the compound in conc. `H_2SO_4` indicates that it can be alkene. Alcohol or ether. The inability to discharge bromine colour indicates absence of an alkene. Hence the compound is an alcohol which should be primary alcohol because it readily (with in two seconds) oxidized by `CrO_3` in `H_2SO_4`.