The solution of sodium metal in liquid ammoni | vedclass

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(D) The solution of sodium metal in liquid ammonia is strongly reducing because reduction involves the gain of electrons. When alkali metals like sodi

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solvated electrons

Vedclass · Answer

(D) The solution of sodium metal in liquid ammonia is strongly reducing because reduction involves the gain of electrons. When alkali metals like sodium dissolve in liquid ammonia,they undergo ionization to form solvated metal ions and solvated electrons: $Na + (x+y)NH_3 \rightarrow [Na(NH_3)_x]^+ + [e(NH_3)_y]^-$. The presence of these solvated electrons makes the solution a powerful reducing agent. These solvated electrons are also responsible for the characteristic deep blue color and the electrical conductivity of the solution. Therefore,option $D$ is correct.

List-$I$	List-$II$
$(a)$ $Li$	$(i)$ Poor water solubility of $I^{-}$ salt
$(b)$ $Na$	$(ii)$ Most abundant element in cell fluid
$(c)$ $K$	$(iii)$ Bicarbonate salt used in fire extinguisher
$(d)$ $Cs$	$(iv)$ Carbonate salt decomposes easily on heating

The solution of sodium metal in liquid ammonia is a strong reducing agent due to the presence of:

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