Select equations having exothermic step-I S-g - S2-gII Na-g - Clg- - NaClsIII Ng - Ng-IV Al2-g - Al3-gChoose the correct codes-

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Select equati...

Question

Select equations having exothermic step.
(I) $S_{(g)}^{-} \to S_{(g)}^{2 -}$
(II) $N a_{(g)}^{+} + C l_{(g)}^{-} \to N a C l_{(s)}$
(III) $N_{(g)} \to N_{(g)}^{-}$
(IV) $A l_{(g)}^{2 +} \to A l_{(g)}^{3 +}$
Choose the correct code(s).

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I, II

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III and IV

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II and III

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Solution

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Similar questions

I . S_{(g)}^{-} \to S_{(g)}^{2 -}

I I . N a_{(g)}^{+} + C l_{(g)}^{-} \to N a C l_{(s)}

I I I . N_{(g)} \to N_{(g)}^{-}

I V . A l_{(g)}^{2 +} \to A l_{(g)}^{3 +}

I . S_{(g)}^{-} \to S_{(g)}^{2 -}

I I . N a_{(g)}^{+} + C l_{(g)}^{-} \to N a C l_{(s)}

I I I . N_{(g)} \to N_{(g)}^{-}

I V . A l_{(g)}^{2 +} \to A l_{(g)}^{3 +}

N a F (s)

N a_{(g)} \to N a_{(g)}^{+} + e^{-}

F_{(g)} + e^{-} \to F_{(g)}^{-}

N a_{(g)}^{+} + F_{(g)}^{-} \to N a F_{(s)}

N a F (s)

N a_{(g)} \to N a_{(g)}^{+} + e^{-}

F_{(g)} + e^{-} \to F_{(g)}^{-}

N a_{(g)}^{+} + F_{(g)}^{-} \to N a F_{(s)}

U, G

H

G^{'}, H^{'}, G^{'} \cap H^{'}, n {(G \cup H)}^{'}

n {(G \cap H)}^{'}

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