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Types of Solutions Based on the Concentration of the Solution

Which of the ...

Question

Which of the following is not a case of chemical equilibrium?

CaCO_3(s) → CaO_(s) + CO₂

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2 SO_{2 (g)} + O_{2 (g)} → 2 SO_3(g)

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NH₄Cl_(s) → NH₄Cl_(aq)

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N₂O_4(g) → 2NO_2(g)

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Solution

The correct option is C
NH₄Cl_(s) → NH₄Cl_(aq)

NH₄Cl_(aq) is aqueous solution of NH₄Cl_(s).

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Similar questions

{CaCO}_{3} \underset{}{\to} CaO + {CO}_{2}

CaO + H_{2} O \underset{}{\to} Ca (OH)_{2}

2 {FeSO}_{4} \underset{}{\to} {Fe}_{2} O_{3} + {SO}_{2} + {SO}_{3}

{NH}_{4} Cl \underset{}{\to} {NH}_{3} + HCl

2 Ca + O_{2} \underset{}{\to} 2 CaO

What type of reactions are represented by the following equations ?

(i) $C a C O_{3} ⟶ C a O + C O_{2}$

(ii) $C a O + H_{2} O ⟶ C a (O H)_{2}$

(iii) $2 F e S O_{4} ⟶ F e_{2} O_{3} + S O_{2} + S O_{3}$

(iv) $N H_{4} C l ⟶ N H_{3} + H C l$

(v) $2 C a + O_{2} ⟶ 2 C a O$

For the chemical equilibrium, $C a C O_{3} (s) ⇌ C a O (s) + C O_{2} (g), Δ H^{.}$ ,can be determined from which one of the following plots

C a C O_{3} (s) ⇌ C a O (s) + C O_{2} (g), △ H^{o},

C a C O_{3} (s) ⇌ C a O (s) + C O_{2} (g), △ H^{o},

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