JEE Main 24 Jan 2026 Shift 2 Paper Solved Paper

Section: Chemistry

Question : 55 of 75

Marks: +1, -0

The heat of atomisation of methane and ethane are ′x′kJmol−1 and ′y′kJmol−1 respectively. The longest wavelength ( λ ) of light capable of breaking the C−C bond can be expressed in SI unit as :

[24 Jan 2026 Shift 2]

‌
NAhc
250(y−6x)
NAhc(y−‌
6x
4
)−1
‌
hc
1000
(‌
y−6x
4
)−1
‌
NAhc
250(4y−6x)

Validate

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