JEE Mains 11-Apr-2023 Shift 1 Solved Paper

Section: Chemistry

Question : 81 of 90

Marks: +1, -0

Solid fuel used in rocket is a mixture of Fe2O3 and Al (in ratio 1:2 ) the heat evolved (KJ) per gram of the mixture is ________ (Nearest integer)
Givne ∆Hf⊖(Al2O3)=−1700‌KJ‌mol−1
∆Hf⊖(Fe2O3)=−840‌KJ‌mol−1

[11-Apr-2023 shift 1]

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