A solution of sodium in liquid ammonia is blu | vedclass

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Question

(A) When alkali metals like sodium dissolve in liquid ammonia,they undergo ionization to form solvated cations and solvated electrons: $Na + (x+y)NH_3

Vedclass · Accepted Answer

Solvated electrons and solvated sodium ions

Vedclass · Answer

(A) When alkali metals like sodium dissolve in liquid ammonia,they undergo ionization to form solvated cations and solvated electrons: $Na + (x+y)NH_3 \rightarrow [Na(NH_3)_x]^+ + [e(NH_3)_y]^-$. The blue color of the solution is attributed to the presence of ammoniated (solvated) electrons,which absorb energy in the visible region of the spectrum. The solution also contains solvated sodium ions. Therefore,the blue color is due to the presence of solvated electrons and solvated sodium ions.

$A$ solution of sodium in liquid ammonia is blue in color,which is due to the presence of .............

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