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  • inorganic chemistry - Why does concentration of solutions of alkali . . .
    The blue colour of the solution is due to the ammoniated electron which absorbs energy in the visible region of light and thus imparts blue colour to the solution The solutions are paramagnetic and on standing slowly liberate hydrogen resulting in the formation of amide $$\ce{M+(am) + e- + NH3(l) -> MNH2(am) + 1 2 H2(g)}$$
  • inorganic chemistry - What kind of solution is formed when alkali . . .
    $$\ce{M + (x + y) NH3 -> M+(NH3)_x + e^-(NH3)_y}$$ The ammoniated electrons absorb energy corresponding to red region of visible light Therefore, the transmitted light is blue in colour At a higher concentration (3 M), clusters of metal ions are formed
  • Solvated Electrons - Chemistry Stack Exchange
    $\begingroup$ Is it that the solvated electron appears to go around absorbing energy from the environment? Rather, consider that the solvated electron just sits there (stably, in the dark), but when white light illuminates it, it can jump to a higher energy state by absorbing some of the red light from the white, leaving blue light to be seen by the observer $\endgroup$
  • inorganic chemistry - Reducing power of ammoniated electrons . . .
    Reducing power of ammoniated electrons Ask Question Asked 5 years ago Modified 5 years ago Viewed 231
  • Why is the silver salt ammoniated to form the Tollens reagent?
    Yes, it is important to convert your silver ion to diamminesilver(I) complex If you do not add ammonia to silver nitrate, the silver ion is reduced so quickly that colloidal silver metal would appear and the solution would become a black, cloudy liquid and you won't get the silver mirror when it reacts with aldehyde
  • Do alkali metals react with ammonia to form hydrogen gas?
    For the water case, all is extremely fast, as water is a much stronger acid than liquid ammonia Blue-like color can be catched by 10000 fps camera, what is commented in SE Chem Q - Reaction of potassium with water
  • Ammonia (NH3) vs Ammonia Nitrogen (NH3-N) - Chemistry Stack Exchange
    I've been looking into chloramination (chlorine nitrogen reactions) and noticed many papers either reference Ammonia (NH3) or Ammonia-Nitrogen (NH3-N), seemingly interchangeably
  • Solutions of Group 1 and Group 2 metals in ammonia
    As per P Bahadur's Objective Chemistry 1st Year Program for IIT-JEE and All Other Engineering Entrance Examinations, under the chapter "s-Block Elements - The Alkaline Earth Metals", under Solubility in Liquid Ammonia, it reads:
  • Why dont beryllium and magnesium dissolve in ammonia?
    The [alkali and] alkaline earth metals dissolve in liquid ammonia to give deep blue solutions forming ammoniated ions $$\text{M}+(x+y)\text{NH}_3 \rightarrow [\text{M}(\text{NH}_3)_x]^{2+} + 2[e(\text{NH}_3)_y]^-$$ However, my teacher has told me beryllium and magnesium are anomalous in that they don't dissolve in ammonia solution





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