Expand the formula:
Bond line structure:
IUPAC name: 4-(1,1-Dimethyl ethyl) heptane
(b) Bond line structure:
IUPAC name: 2,2,4,4-Tetramethyl pentane
(c) Bond line structure:
or
IUPAC name: 2,2-Dimethyl propane
(d) Bond line structure:
IUPAC name: 2,2-Dibromo-3-methyl butane
(e) Bond line structure:
IUPAC name: 3-Ethyl-4lmethyl hexane