2-4 hexadiene is lowest heat compound of hydrogention .
A chemical compound is a substance that contains atoms from multiple chemical elements held together by chemical bond.
The compound with the smaller heat of hydration as follows- 2,3-dimethyl-2-hexene.
The structure of 3,4-dimethyl-2-hexene (A) is CH₃CH₂CH(CH₃)C(CH₃)=CHCH₃.
The structure of 2,3-dimethyl-2-hexene (B) is CH₃CH₂CH₂C(CH₃)=C(CH₃)₂.
The structure of 4,5-dimethyl-2-hexene (C) is CH₃CH(CH₃)CH(CH₃)CH=CHCH₃.
If you draw the structures, you find that A is a trisubstituted alkenes, B is tetrasubstituted, and C is disubstituted.
The order of stability of substituted alkenes.
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