Organic Chemistry 2e ORION Practice- Ch 6: Chemical Reactivity and Mechanisms Q

Question

Organic Chemistry 2e ORION Practice- Ch 6: Chemical Reactivity and Mechanisms Q 6.102: Using Table 6.1 as a reference, calculate Ho (in kymol ) for the reaction below, using the correct sign (+/-) before your numeric answer and select whether the reaction is exothermic or endothermic. State the answer in whole numbers only. Br-Br Br+ HBr exothermic 435 104 OI222 435 104 CHyO OH 191 473 113 351 84 70 234 5 (CHCF 444 06 c-r272 6 (CON 319 444 11 CC- 33 431 103 04048 0 222 53 243 S8 193 44 11 36 213 Hint Solution ark for Review !e @, #a $%^ 6 . & 4 2 3 4 5

Explanation / Answer

For the given reaction,

dHo = (410 + 193) - (285 + 368)

        = -50 kJ/mol

So the net reaction is exothermic (dHo -ve) for the reaction.

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