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Question

Chemistry Question on General Principles and Processes of Isolation of Elements

According to the following diagram, A reduces BO2BO_2 when the temperature is :

A

>1200C> \,1200\,^{\circ}C but <1400C< 1400\, ^{\circ}C

B

>1400C>\, 1400 \,^\circ C

C

<1200C< 1200\, ^\circ C

D

<1200C<1200 \, ^\circ C

Answer

>1400C>\, 1400 \,^\circ C

Explanation

Solution

A reduces BO2BO_{2} when temperature is above 1400C1400^{\circ}C because above 1400C1400^{\circ}C A has more - ve ΔG\Delta G^{\circ} for AO2AO_{2} formation than B to BO2BO_{2} formation.