According to the following diagram, A reduces B O 2 when the temperature is:

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Question: Answered & Verified by Expert

According to the following diagram, A reduces

B O_{2}

when the temperature is:

ChemistryGeneral Principles and Processes of Isolation of MetalsJEE MainJEE Main 2020 (09 Jan Shift 1)

Options:

A $< 1400^{o} C$
B $> 1400^{o} C$
C $> 1200^{o} C$ but $< 1400^{o} C$
D $< 1200^{o} C$

Solution:

1295 Upvotes Verified Answer

The correct answer is:

> 1400^{o} C

$A + {BO}_{2} \to B + {AO}_{2}$
This reaction will be spontaneous when
$Δ G = - v e$

Which we can see from the diagram, is possible only at temperature $> 1400 ° C$

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