which of the following is not aa structural isomer of C(5)H(12)?

Question

a. pentane
B. 2-methylbutane
C. 2,2-dimethylbutane
D. all of these are structural isomers of C(5)H(12)

Answer 1

C) 2,2-dimethylbutane is C6H14 so it is not a structural isomer

Answer 2

C

the structure would be

__C

C-C-C-C

__C

Here no. of carbon atoms is 6 but given formula has five.



Pentane C-C-C-C-C

2 methylbutane C-C-C-C

C

Answer 3

C..is not, It would be 2,2-dimethylpropane.