Question

An organic dibasic acid is used in volumetric analysis. The percentage of elements are $\mathrm{C}=26.7 \%$, $\mathrm{H}=2.2 \%$ and $\mathrm{O}=71.1 \%$. Find the empirical formula of the acid. (a) $\mathrm{CH}_2 \mathrm{O}$ (b) $\mathrm{CHO}_2$ (c) $\mathrm{C}_2 \mathrm{H}_2 \mathrm{O}_2$ (d) $\mathrm{CH}_4 \mathrm{O}^{-}$

Name: Problem 41, Chapter 22: A Complete Resource Book in Chemistry for JEE Main 2018
Uploaded: 2021-11-28T11:38:36-08:00
Duration: 2 min 32 s
Channel: Vasu Makani
Description: An organic dibasic acid is used in volumetric analysis. The percentage of elements are C=26.7 %, H=2.2 % and O=71.1 %. Find the empirical formula of the acid. (a) CH2 O (b) CHO2 (c) C2 H2 O2 (d) CH4 O^-

   An organic dibasic acid is used in volumetric analysis. The percentage of elements are $\mathrm{C}=26.7 \%$, $\mathrm{H}=2.2 \%$ and $\mathrm{O}=71.1 \%$. Find the empirical formula of the acid.
(a) $\mathrm{CH}_2 \mathrm{O}$
(b) $\mathrm{CHO}_2$
(c) $\mathrm{C}_2 \mathrm{H}_2 \mathrm{O}_2$
(d) $\mathrm{CH}_4 \mathrm{O}^{-}$

A Complete Resource Book in Chemistry for JEE Main 2018

A.K. Singhal 3rd Edition

Chapter 22, Problem 41

Instant Answer

Solved by Expert Vasu Makani

11/28/2021

Step 1

Assume we have 100 grams of the compound, which means we have: - Carbon (C): 26.7 g - Hydrogen (H): 2.2 g - Oxygen (O): 71.1 g Show more…

Show all steps

Thanks for your feedback!

An organic dibasic acid is used in volumetric analysis. The percentage of elements are $\mathrm{C}=26.7 \%$, $\mathrm{H}=2.2 \%$ and $\mathrm{O}=71.1 \%$. Find the empirical formula of the acid. (a) $\mathrm{CH}_2 \mathrm{O}$ (b) $\mathrm{CHO}_2$ (c) $\mathrm{C}_2 \mathrm{H}_2 \mathrm{O}_2$ (d) $\mathrm{CH}_4 \mathrm{O}^{-}$

Play audio

Feedback

Vasu Makani and 52 other educators are ready to help you.

Ask a new question

Labs

Want to see this concept in action?

NEW

Explore this concept interactively to see how it behaves as you change inputs.

View Labs

Key Concepts

Organic Dibasic Acid

An organic dibasic acid is one that contains two acidic hydrogen atoms capable of dissociation. Understanding its dibasic nature is important for analyzing its stoichiometry and behavior in reactions, particularly in titrations and volumetric analysis.

Percent Composition

Percent composition specifies the weight percentage of each element in a compound. Converting these percentages to mole ratios is a fundamental step in determining the compound’s empirical formula.

Empirical Formula

The empirical formula is the simplest integer ratio of the elements in a compound. It is derived by converting the percentage composition of each element to moles using atomic masses, and then finding the simplest whole-number ratio among these values.

Please give Ace some feedback