Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Question
An HDI of 3 is consistent with this structure.
True or False
Transcribed Image Text:The image depicts the chemical structure of a compound known as butanedione, specifically 2,3-butanedione.
### Structure Description:
1. **Molecular Formula**: C₄H₆O₂.
2. **Chemical Structure**:
- The structure is linear with two ketone groups (C=O) located in the central region.
- The compound is an alkene with terminal methylene groups (CH₂) at both ends, each double-bonded to a carbonyl (C=O) group.
- The carbons are connected in a sequence, with a double bond in each terminal methylene group, indicative of unsaturation.
3. **Functional Groups**:
- **Carbon-Carbon Double Bond**: At both ends of the molecule, signified by the depiction of double bonds in the simplified line structure.
- **Carbonyl Groups (C=O)**: There are two C=O bonds, each connecting to the central carbons.
### Chemical Terminology:
- **Ketone**: An organic compound characterized by a carbonyl group (C=O) bonded to two carbon atoms.
- **Alkene**: Hydrocarbons containing a carbon-carbon double bond.
This molecule, 2,3-butanedione, is significant in the context of organic chemistry and can be utilized in discussions regarding ketones, aldehydes, and related foundational chemical structures.
Expert Solution
Explanation:
HDI :Index of Hydrogen Deficiency
it equal to no.of double bonds +no.of rings present in the compound +2 x triple bond
so in the given question four double bonds are present
so index of Hydrogen Deficiency should be 4
HDI should be 4
Hence the given statement is Flase
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