Q. Following alkanes are wrongly named. Write their correct IUPAC names
(i) 2-Ethylbutane (ii) 4-Methylpentane (iii) 3,5-Dimethylhexane (iv) 5-Ethyl-4-methylheptane (v) 2,3-Dimethyl-3-ethylpentane (vi) 3-Methyl-4-isopropylheptane (vii) 4-Ethyl-5-sec-butylnonane