Predict which of the following reaction s has a positive entropy change-I- Ag aq - Cl aq - AgCl sII- NH4Cls - NH3 g - HCl gIII- 2NH3 g - N2 g - 3H2 g

The correct option is C II and III #160;We know that #160; #160; Δ S^0_reaction #160; = Σ #160; Δ S^0Product ΣΔ S^0Reactant #160;When we comp ...

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Entropy

Predict which...

Question

Predict which of the following reaction (s) has a positive entropy change?
I. $A g (a q) + C l (a q) \to A g C l (s)$
II. $N H_{4} C l (s) \to N H_{3} (g) + H C l (g)$
III. $2 N H_{3} (g) \to N_{2} (g) + 3 H_{2} (g)$

I and II

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III

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II and III

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Similar questions

I . A g^{+} (a q) + C l^{-} (a q) \to A g C l (s)

I I . N H_{4} C l (s) \to N H_{3} (g) + H C l (g)

I I I . 2 N H_{3} (g) \to N_{2} (g) + 3 H_{2} (g)

A g^{+} (a q) + C l^{-} (a q) \to A g C l (s)

N H_{4} C l (s) \to N H_{3} (g) + H C l (g)

2 N H_{3} (g) \to N_{2} (g) + 3 H_{2} (g)

I . A g^{+} (a q) + C l^{-} (a q) \to A g C l (s)

I I . N H_{4} C l (s) \to N H_{3} (g) + H C l (g)

I I I . 2 N H_{3} (g) \to N_{2} (g) + 3 H_{2} (g)

C a C O_{3} (s) \to C a O (s) + C O_{2} (g)

N_{2} (g) + 3 H_{2} (g) \to 2 N H_{3} (g)

H C l (g) + N H_{3} (g) \to N H_{4} C l (s)

2 S O_{2} (g) + O_{2} (g) \to 2 S O_{3} (g)

N_{2} (g)

20^{o} C t o - 50^{o} C

(I) A g^{+} (a q) + C l^{-} (a q) \to A g C l (s) (I I) N H_{4} C l (s) \to N H_{3} (g) + H C l (g) (I I I) 2 N H_{3} (g) \to N_{2} (g) + 3 H_{2} (g)

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