JEE Main 2025 — Some Basic Concepts of Chemistry Question with Solution
JEE Main 2025 (28 Jan Shift 1)
Question
Quantitative analysis of an organic compound (X) shows following % composition.
C :
Cl : 64.46%
H: 1.8 %
(Empirical formula mass of the compound is __________
(Given molar mass in of )
Enter your answer
Show full solutionCorrect answer: 1655
Correct answer
1655
Step-by-step explanation
\begin{array}{ll:cccl} & \mathrm{C} & \mathrm{Cl} & \mathrm{H} & \mathrm{O} & \\ \text { %mass } & 14.5 & 64.46 & 1.8 & 19.24\end{array}
Molar ratio
$\begin{aligned}
&\begin{array}{ccccc}
& 1.2 & 1.8 & 1.8 & 1.2 \\
\text { Minimum } & 2 & 3 & 3 & 2
\end{array}\\
&\text { integral ratio }
\end{aligned}$
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