MCQ
Which of following is $E$ isomer ?
- A

- B

- C

- ✓






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(en-ethylenediamine; $H _{2} N - CH _{2}- CH _{2}- NH _{2}$ )
$\left[\right.$ Given $: \mathrm{h}=6.63 \times 10^{-34} \,\mathrm{Js}$ and $\left.\mathrm{c}=3.0 \times 10^{8} \,\mathrm{~ms}^{-1}\right]$