A) 4
B) 3
C) 2
D) 5
Correct Answer: A
Solution :
\[\overset{1\,\,\,\,\,\,\,}{\mathop{C{{H}_{3}}}}\,-\overset{2\,\,\,\,}{\mathop{CH}}\,=\overset{3\,\,\,\,}{\mathop{CH}}\,-\overset{4\,\,\,}{\mathop{CH}}\,=\overset{5\,\,\,\,}{\mathop{CH}}\,-\overset{6,7\,\,\,\,\,\,\,}{\mathop{{{C}_{2}}{{H}_{5}}}}\,\] 1. 2. 3. 4.You need to login to perform this action.
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