1.

Bond energy : Energy required to break a bond (equal to the energy released when a bond is formed) is named bond energy. Its unit is Kcal/mole. Stability of bond energy 00 % s characteroo(1)/(% "P character")oo "bond order" oo(1)/("bond length") Higher is the number of bonds at a place, higher is the bond energy. Write down rhe bond energy order of C_(2) - C_(3) in (A) CH_(3)- CH_(2)-CH_(2)-CH_(3) "" B ) CH_(3) -CH_(2)-CH= CH_(2) C) CH_(2)=CH-CH=CH_(2) "" D) CH_(2)=CH-C= CH E) CH_(3) - CH_(2) -C= CH "" F) CH = C- C= CH

Answer»

` E GT D gt C gt F gt B gt A `
`A gt C gt D gt B gt E gt F `
`A gt C gt D gt E gt F gt B `
`F gt D gt E gt C gt B gt A `

Answer :D


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