Carefully observe the given diagrams which indicates standard enthalpy of formation of different states of one mole Mg and 2 mole Cl atom and match the entries in column I and II provided.
Energy (kJ) State of Mg and $C l_{2}$

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Solution

(A) $Δ H_{f} [M g^{2 +} (a q)]$ is +460 kJ/mole.
(B) $Δ H_{f} [M g^{-} (a q)]$ is -625 kJ/mole.
(C) $Δ H_{h y d r a t i o n} [M g^{2 +} (g)]$ is -1900 kJ/mole.
(D) $∣ ∣ L . E ._{M g C l_{2} (s)} ∣ ∣$ is +2510 kJ/mole.

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Carefully observe the given diagrams which indicates standard enthalpy of formation of different states of one mole Mg and 2 mole Cl atom and match the entries in column I and II provided.Energy (kJ)State of Mg and Cl2

(A) ΔHf[Mg2+(aq)] is +460 kJ/mole.(B) ΔHf[Mg−(aq)] is -625 kJ/mole.(C) ΔHhydration[Mg2+(g)] is -1900 kJ/mole.(D) ∣∣L.E.MgCl2(s)∣∣ is +2510 kJ/mole.

Carefully observe the given diagrams which indicates standard enthalpy of formation of different states of one mole Mg and 2 mole Cl atom and match the entries in column I and II provided.
Energy (kJ) State of Mg and $C l_{2}$

(A) $Δ H_{f} [M g^{2 +} (a q)]$ is +460 kJ/mole.
(B) $Δ H_{f} [M g^{-} (a q)]$ is -625 kJ/mole.
(C) $Δ H_{h y d r a t i o n} [M g^{2 +} (g)]$ is -1900 kJ/mole.
(D) $∣ ∣ L . E ._{M g C l_{2} (s)} ∣ ∣$ is +2510 kJ/mole.