$H_{2} (g) + F_{2} (g) \to 2 HF (g) + heat$
This reaction is an example of:
i. Combination reaction
ii. Endothermic reaction
iii. Exothermic reaction

(i) and (iii)

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(i) and (ii)

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Only (i)

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Solution

The correct option is A (i) and (iii)
Option (b) is correct.

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(iii) $F e (s) + S (s) h e a t - - \to F e S (s)$

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H2(g) + F2(g) → 2HF(g) + heat This reaction is an example of: i. Combination reaction ii. Endothermic reaction iii. Exothermic reaction

The correct option is A (i) and (iii)Option (b) is correct.

$H_{2} (g) + F_{2} (g) \to 2 HF (g) + heat$
This reaction is an example of:
i. Combination reaction
ii. Endothermic reaction
iii. Exothermic reaction

The correct option is A (i) and (iii)
Option (b) is correct.