Assertion : The IUPAC name for the compo...

Assertion : The IUPAC name for the compound `C_(2)H_(5)-undersetunderset(CH_(2))(||)(C)-CH_(2)OH` is 2-ethyl prop-2-en-1-ol.
Reason : Ethyl `(C_(2)H_(5))` rather than methylene `(=CH_(2))` is considered as the substiuent group because 'e' of ethyl comes first in alphabetical other than 'm' of methylene.

If both (A) and (R ) are correct and (R ) is the correct explanation of (A)

If both (A) and (R ) are correct, but (R ) is not the correct explanation of (A)

If (A) is correct, but (R ) is incorrect

If both (A) and (R ) are incorrect

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