Chemistry · 2020
JEE Main · 6 September 2020, Shift 2 · Q40
The average molar mass of chlorine is 35.5 g mol^-1. The ratio of ^35 Cl to ^37 Cl in naturally occurring chlorine is close to:
The average molar mass of chlorine is $\displaystyle 35.5 \mathrm{~g} \mathrm{~mol}^{-1}$. The ratio of $\displaystyle { }^{35} \mathrm{Cl}$ to $\displaystyle { }^{37} \mathrm{Cl}$ in naturally occurring chlorine is close to :
Official answer
(3)
$\displaystyle 3$ : $\displaystyle 1$
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JEE Main 2020 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.