The empirical formula of an acid is CH2 O2, the probable molecular formula of the simplest acid

Name: Problem 17, Chapter 22: A Complete Resource Book in Chemistry for JEE Main 2018
Uploaded: 2021-07-22T08:23:05-08:00
Duration: 2 min 22 s
Channel: Kartik Indoliya
Description: The empirical formula of an acid is CH2 O2, the probable molecular formula of the simplest acid may be (a) CH2 O (b) CH2 O2 (c) C2 H4 O2 (d) C3 H6 O4

step 1 First of all, let's have a look what all is given in the problem. Given is the empirical formula

Question

The empirical formula of an acid is $\mathrm{CH}_2 \mathrm{O}_2$, the probable molecular formula of the simplest acid may be (a) $\mathrm{CH}_2 \mathrm{O}$ (b) $\mathrm{CH}_2 \mathrm{O}_2$ (c) $\mathrm{C}_2 \mathrm{H}_4 \mathrm{O}_2$ (d) $\mathrm{C}_3 \mathrm{H}_6 \mathrm{O}_4$

   The empirical formula of an acid is $\mathrm{CH}_2 \mathrm{O}_2$, the probable molecular formula of the simplest acid may be
(a) $\mathrm{CH}_2 \mathrm{O}$
(b) $\mathrm{CH}_2 \mathrm{O}_2$
(c) $\mathrm{C}_2 \mathrm{H}_4 \mathrm{O}_2$
(d) $\mathrm{C}_3 \mathrm{H}_6 \mathrm{O}_4$

A Complete Resource Book in Chemistry for JEE Main 2018

A.K. Singhal 3rd Edition

Chapter 22, Problem 17

Instant Answer

Solved by Expert Kartik Indoliya

07/22/2021

Step 1

Step 1: Identify the empirical formula given in the question, which is $\mathrm{CH}_2 \mathrm{O}_2$. Show more…

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The empirical formula of an acid is $\mathrm{CH}_2 \mathrm{O}_2$, the probable molecular formula of the simplest acid may be (a) $\mathrm{CH}_2 \mathrm{O}$ (b) $\mathrm{CH}_2 \mathrm{O}_2$ (c) $\mathrm{C}_2 \mathrm{H}_4 \mathrm{O}_2$ (d) $\mathrm{C}_3 \mathrm{H}_6 \mathrm{O}_4$

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Key Concepts

Empirical and Molecular Formulas

The empirical formula represents the simplest whole-number ratio of the elements in a compound, while the molecular formula indicates the actual number of atoms in a molecule. Understanding the difference is vital because a compound’s molecular formula may be a multiple of the empirical formula, and many properties such as molecular weight depend on the molecular formula.

Monocarboxylic Acids

Monocarboxylic acids are organic compounds that contain one carboxyl (-COOH) group. The simplest member of this family is often considered to have the smallest possible carbon backbone while still maintaining the functional group, which reflects directly in its molecular formula. Recognizing the functional group helps in deducing the probable molecular formula when given the empirical formula.

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