For the following two reactions (i) {\CH}_{4}(g)+2 {\O}_{2}({\g}) \to{\CO}_{2}(g)+2 {\H}_{2} {\O}(g);\\Delta\H=-890.4 \kJ (ii) 2 {\HgO}(s) \to2 {\Hg}(l)+{\O}_{2}(g)-181.6 {\kJ} Which one of the following statements is correct?

Correct Answer is : (i) is endothermic and (ii) is exothermic

(i) is exothermic and (ii) is endothermic

(i) is endothermic and (ii) is exothermic

BITSAT 2006 Solved Question Paper

Section: Chemistry

Question : 112 of 150

Marks: +1, -0

For the following two reactions
(i) CH4(g)+2O2(g)→CO2(g)+2H2O(g);ΔH=−890.4‌kJ
(ii) 2‌HgO(s)→2‌Hg(l)+O2(g)−181.6‌kJ
Which one of the following statements is correct?

Both of them are exothermic
Both of them are endothermic
(i) is exothermic and (ii) is endothermic
(i) is endothermic and (ii) is exothermic

Validate

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