When gallium is dissolved in a solution of KOH in liquid NH3, a salt K[I] is formed which is an amido complex of Ga(TII). Heating one equivalent of K[I| at 570 K under vacuum liberates two equivalents of NH3, and produces a Ga(III) imido complex K[I1]. Partial neutralization of K|TJ with NH4C1 yields Ga(NH2)3. Suggest identities for the salts K[I] and K[TT], and write equations for the thermal decomposition and partial neutralization reactions of K[I]. Hint: an imido complex formally contains NH2-.
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