MCQ
Lassaigne's test for nitrogen is negative for which compound ?
- A$Et-NH_2$
- B$CH_3-NH_2$
- C

- ✓$H_2N-NH_2$

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$4Fe + 3{O_2}\, \to \,4F{e^{3 + }} + 6{O^{2 - }}$
Which one of the following statement is incorrect

$I = -3.04\,V$,
$II = -1.90\,V$,
$III = 0\,V$,
$IV = 1.90\,V$