1.

Which of the compound show only one signal is present in the PMR spectra ?

A. C<sub>3</sub>H<sub>4</sub>, C<sub>3</sub>H<sub>6</sub>
B. C<sub>4</sub>H<sub>6</sub>, C<sub>5</sub>H<sub>12</sub>
C. C<sub>8</sub>H<sub>18</sub>, C<sub>2</sub>H<sub>6</sub>O
D. All of the mentioned
Answer» E.


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