Tollens' reagent can be used to distinguish between aldehydes and ketones. Tollens' reagent contains $$\(\left[\mathrm{Ag}\left(\mathrm{NH}_{3}\right)_{2}\right] \mathrm{OH}\)$$, which can be prepared in a two-step process. step 1 Aqueous NaOH is added dropwise to aqueous $$\(\mathrm{AgNO}_{3}\)$$ to form $$\(\mathrm{Ag}_{2} \mathrm{O}\)$$ as a brown precipitate. step 2 Aqueous $$\(\mathrm{NH}_{3}\)$$ is added dropwise to $$\(\mathrm{Ag}_{2} \mathrm{O}\)$$ to form a colourless solution containing $$\(\left[\mathrm{Ag}\left(\mathrm{NH}_{3}\right)_{2}\right] \mathrm{OH}\)$$. Construct equations for each of the steps in the preparation of $$\(\left[\mathrm{Ag}\left(\mathrm{NH}_{3}\right)_{2}\right] \mathrm{OH}\)$$. step 1 .................................................................................................................................... step 2 ....................................................................................................................................

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