Note: In the following questions a statement of assertion followed by a statement of reason is given. Choose the correct answer out of the following choices.

Assertion : Sulpha drug contain sulphonamide group.


Reason : Salvarsan is a sulpha drug.


structure of Salvarsan:



Sulpha drugs do contain sulphonamide group because sulpha drugs are generally derivatives of sulphanilamide such as salvarsan.


Sulphonamide is actually the active compound in salvarsan but it cannot be the reason why sulpha drugs contain sulphonamide group.

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