For which of the following process- - S-0-

The correct option is A MgCO_3(s)→ MgO(s)+CO_2(g) MgCO_3(s)→ MgO(s)+CO_2(g) In this reaction, the number of gaseous molecules increases in the proces ...

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Byju's Answer

Standard XII

Chemistry

Entropy

For which of ...

Question

For which of the following process, $Δ S > 0$ ?

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

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2 I (g) \to I_{2} (g)

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

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H_{2} O (l) \to H_{2} O (s)

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Solution

The correct option is A $M g C O_{3} (s) \to M g O (s) + C O_{2} (g)$
$M g C O_{3} (s) \to M g O (s) + C O_{2} (g)$
In this reaction, the number of gaseous molecules increases in the process. Therefore, entropy increases,
$∴ Δ S > 0$

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For which of the following process, ΔS>0?

The correct option is A MgCO3(s)→MgO(s)+CO2(g)MgCO3(s)→MgO(s)+CO2(g)In this reaction, the number of gaseous molecules increases in the process. Therefore, entropy increases,∴ΔS>0

For which of the following process, $Δ S > 0$ ?

The correct option is A $M g C O_{3} (s) \to M g O (s) + C O_{2} (g)$
$M g C O_{3} (s) \to M g O (s) + C O_{2} (g)$
In this reaction, the number of gaseous molecules increases in the process. Therefore, entropy increases,
$∴ Δ S > 0$