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Question

Methylation of morphine yields:

A
codeine
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B
heroin
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C
crack
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D
smack
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Solution

The correct option is A codeine
The various drugs available are synthesised for consumption by a set of chemical processes.

Methylation is the transfer of a methyl group (-CH3) to an organic compound. Methylation of morphine yields codeine. Morphine is a naturally occurring opium alkaloid. Codeine is used to treat coughs. It does not cause serious addiction.

Acetylation (addition of an acetyl group) of morphine yields heroin (diacetylmorphine). It is commonly called smack. It is a potent opioid.

Cocaine is commonly called crack or coke. It is obtained from the leaves of the coca plant.

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