Give the relationship between the following pairs of structures. The possible relationships are: same compound constitutional isomers (structural isomers) cis-trans isomers not isomers (different molecular formula) (a) CH,CH_CHCH,CHZ and CH2CH2CHCH2CH2CH2 1 | CH2CH2 CH Br H Br Br Br H Br H (b) and (c) and H Br H H H Br Br H Br CI CI H H Br (d) and (e) and HCCH | | C H HCCH | | H H Br Br H H CHZ CH3 H (f) H-C C-H and H-C- CH3 CHZ H H H (g) CH3 CH2 - CH2 - CH3 and CH3 -CH=CH-CH3 (h) CH2=CH-CH2CH2CH3 and CH3 -CH=CH-CH2CH3 (i) CH2=CHCH2CH2CH3 and CH3CH2CH2CH=CH2 CH; CH, CH, CH, (j) and (k) and CH3