SSC MTS EXAM

SSC

CHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Number of alpha hydrogen atoms in 2-butene molecule is ____
A
2
B
6
C
4
D
3
Explanation: 

Detailed explanation-1: -Now let’s consider the structure of cis-2-butene . Here there are six alpha hydrogens which are attached to the carbons but the methyl group is present in the same side which causes steric hindrance.

Detailed explanation-2: -The hydrogen atoms on the aplha carbon atom is called as aplha hydrogen. There are 7 -hydrogen atoms present in this compound.

Detailed explanation-3: -Updated On: 27-06-2022 2-Methylbut-2-ene contains nine hyperconjugable -H atoms, so this molecule is involed in effective hyperconjugation.

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