Question

ch3-ch2-ch2-ch3 ch2=ch-ch=ch2 which one absorb higher wavelength
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Answer 1

i don't understand ur question

Answer 2

Answer:

ch2=ch-ch=ch2 will absorb higher wavlegnth beacause in this compound there is a c=c and the stretching vibrations of c=c are of higher frequncy than those of the c-c.