Question

Which of the following reaction taking place in the Blast furnace is endothermic ?

• A. $CaCO _{3} \rightarrow CaO + CO _{2}$
• B. $2 C + O _{2} \rightarrow 2 CO$
• C. $C + O _{2} \rightarrow CO _{2}$
• D. $Fe _{2} O _{3}+3 CO \rightarrow 2 Fe +3 CO _{2}$

Answer 1

Answer: (A)

$CaCO _{3} \rightarrow CaO + CO _{2}$

Answer 2

Bond breaking processes or decomposition processes are endothermic process