According to the IUPAC rules in naming of ether the two alkyl groups attached to the oxygen are put in :

alphabetical order

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the larger group (R) is chosen as the parent hydrocarbon

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both A and B

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none of these

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Solution

The correct option is B both A and B
In IUPAC rules of naming others, larger alkyl or aryl group (R) is chosen as the parent hydrocarbon and when in writing, all substituents are arranged in alphabetical order.
Example: $C H_{3} - O - C_{2} H_{5}$ , the name of this compound will be methoxy ethane.

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According to the IUPAC rules in naming of ether the two alkyl groups attached to the oxygen are put in :

The correct option is B both A and BIn IUPAC rules of naming others, larger alkyl or aryl group (R) is chosen as the parent hydrocarbon and when in writing, all substituents are arranged in alphabetical order.Example: CH3−O−C2H5, the name of this compound will be methoxy ethane.

The correct option is B both A and B
In IUPAC rules of naming others, larger alkyl or aryl group (R) is chosen as the parent hydrocarbon and when in writing, all substituents are arranged in alphabetical order.
Example: $C H_{3} - O - C_{2} H_{5}$ , the name of this compound will be methoxy ethane.