Chemistry · 2025
JEE Main · 24 January 2025, Shift 2 · Q74
The hydrocarbon ( X ) with molar mass 80 g mol^-1 and 90% carbon has ____ degree of unsaturation.
The hydrocarbon $\displaystyle (\mathrm{X})$ with molar mass $\displaystyle 80 \mathrm{~g} \mathrm{~mol}^{-1}$ and $\displaystyle 90$% carbon has $\displaystyle \_\_\_\_$ degree of unsaturation.
Official answer
From NTA’s final answer key for this paper.
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JEE Main 2025 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.