Consider the following statements:
(a) Rusting is exothermic process.
(b) Dissolution of ammonium chloride in water is exothermic process.
(c) Addition of chlorine is also oxidation process.
(d) The formula of calcium phosphate is ${C a}_{3} {(P O_{4})}_{2}$ .
Which of the above statements are correct ?

(a), (b) and (c)

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(a), (b) and (d)

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(b), (c) and (d)

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(a), (c) and (d)

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Solution

The correct option is D (a), (c) and (d)
$N H_{4} C l (s) + H_{2} O (l) + H e a t \to N H_{4}^{+} (a q) + {C l}^{-} (a q)$
So, it is an endothermic reaction.

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Similar questions

Which among the following changes are exothermic or endothermic in nature?

(a) Decomposition of ferrous sulphate

(b) Dilution of sulphuric acid

(d) Dissolution of ammonium chloride in water

Question 22
Which among the following changes are exothermic or endothermic in nature?

(a) Decomposition of ferrous sulphate

(b) Dilution of sulphuric acid

(d) Dissolution of ammonium chloride in water

Question 22
Which among the following changes are exothermic or endothermic in nature?

(a) Decomposition of ferrous sulphate

(b) Dilution of sulphuric acid

(d) Dissolution of ammonium chloride in water

Which of the following reactions are exothermic in nature?

(i) Evaporation of water
(ii) Dissolution of sodium hydroxide in water
(iii) Dilution of sulphuric acid
(iv) Dissolution of ammonium chloride in water
(v) Combustion of methane gas

Q. The dissolution of ammonium chloride is an exothermic process.If true enter 1 else o

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Consider the following statements:(a) Rusting is exothermic process.(b) Dissolution of ammonium chloride in water is exothermic process.(c) Addition of chlorine is also oxidation process.(d) The formula of calcium phosphate is Ca3(PO4)2.Which of the above statements are correct ?

The correct option is D (a), (c) and (d)NH4Cl(s)+H2O(l)+Heat→NH+4(aq)+Cl−(aq)So, it is an endothermic reaction.

The correct option is D (a), (c) and (d)
$N H_{4} C l (s) + H_{2} O (l) + H e a t \to N H_{4}^{+} (a q) + {C l}^{-} (a q)$
So, it is an endothermic reaction.