Assertion (A) : The empirical mass of ethene is half of its molecular mass
Reason (R) : The empirical formula represents the simplest whole number ratio of various atoms present in a compound

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Both A and R are true and R is the correct explanation of A

A is true but R is false

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answer is A.

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Detailed Solution

Molecular mass of ethene $(C_{2} H_{4}) = 28$

E.F of ethene is $= {CH}_{2}$

$EFM = 28 / 14 = 2 = n$

EF is simplest positive integer ratio of various atoms present in a given compound

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