H_(3)C- underset(underset(CH_(3))(|))(CH) - CH_(2) - underset(underset(CH_(3))(|))(CH) - underset(underset(CH_(3))(|))(CH) - CH_(3) (i) 2, 3, 5- Trimethyl hexane and (ii) 2, 4, 5-Trimethyl hexane which name is correct? Why?

H_(3)C- underset(underset(CH_(3))(|))(CH) - CH_(2) - underset(underset

1.	H_(3)C- underset(underset(CH_(3))(\|))(CH) - CH_(2) - underset(underset(CH_(3))(\|))(CH) - underset(underset(CH_(3))(\|))(CH) - CH_(3) (i) 2, 3, 5- Trimethyl hexane and (ii) 2, 4, 5-Trimethyl hexane which name is correct? Why?
Answer» SOLUTION :(i) NAME is correct. Because in (i) the SUBSTITUTION order is low then (ii) order. In first (i) is 2, 3 and in second is 2, 4 so, 2, 3 order is low