Which of the following reactions can be used to make ethyl isocyanide?

Which of the following reactions can be used to make ethyl isocyanide?
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Which of the following reactions can be used to make ethyl isocyanide? A. `CH_(3)CH_(2)NH_(2) +CHCI_(3) ... POCI_(3))rarr` D. `CH_(3)CH_(2)Br+KCNrarr`
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