JEE Mains 29-July-2022 Shift 2 Solved Paper

Section: Chemistry
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Question : 63 of 90
 
Marks: +1, -0
C(s)+O2(g)→CO2(g)+400k.J
C(s)+‌
1
2
O2
(g)
→CO(g)+100‌kJ

When coal of purity 60% is allowed to burn in presence of insufficient oxygen, 60% of carbon is converted into ' CO ' and the remaining is converted into ' CO2 '. The heat generated when 0.6‌kg of coal is burnt is _______.
[29-Jul-2022-Shift-2]
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