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Which of the following statements is/are...

Which of the following statements is/are correct?

A

Molecular formula or molecular mass of a gaseous gydrocarbon can be determined even without knowing their percentage composition by eudiometry.

B

In lassaigne's test,N and S both presents in the organic compounds are converted into `overset(c-)CNS` ion.

C

`K_2SO_4` and `CuSO_4` are added in Kjeldahl's method `K_2SO_4` acts as a catalyst while `CuSO_4` raises the boiling point of `H_2SO_4`.

D

Layer test is used to distinguish `Cl^(c-)` and `Br^(c-)` ions.

Text Solution

Verified by Experts

The correct Answer is:
A, B
(c). `K_2SO_4` raises the boiling point of `H_2SO_4` while `CuSO_4` acts as a catalyst.
(d). Used to distinguish `Br^(c-)` and `I^(c-)` ions.
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