$2 S O_{2} + O_{2} ⟶ 2 S O_{3} + 42 k c a l$
The above reaction is :

endothermic reaction

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exothermic reaction

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combination reaction

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displacement reaction

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Solution

The correct options are
B exothermic reaction
C combination reaction
A combination reaction is a reaction in which two reactants combine to form one product.
An exothermic reaction is a chemical or physical reaction that releases heat. It gives out energy to its surroundings. The energy needed for the reaction to occur is less than the total energy released.

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Similar questions

The catalyst used in the reaction $2 S O_{2} + O_{2} ⟷ 2 S O_{3}$ is__________.

2 S O_{2} + O_{2} ⇌ 2 S O_{3}

K_{c}

{2 S O}_{2} + O_{2} ⇌ {2 S O}_{3}

K_{c}

2 S O_{2} + O_{2} ⇌ 2 S O_{3}

2 S O_{2} + O_{2} (e x c e s s) \to 2 S O_{3}

O_{2}

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