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Question

" Root word for naming a hydrocarbon with 3 carbons atoms is ."

A
Meth-
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B
Eth-
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C
Prop-
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D
But-
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Solution

The correct option is C Prop-
The IUPAC has put forward rules for naming of hydrocarbons. The word roots are selected based on the number of carbon atoms in the hydrocarbon. The root word for a hydrocarbon with 3-carbon atoms is "prop". So, if an alkane had three carbon atoms it will be called propane. The root word for a hydrocarbon with 1-carbon atoms is "meth".The root word for a hydrocarbon with 2-carbon atoms is "eth". The root word for a hydrocarbon with 4-carbon atoms is "but".

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