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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
Transcribed Image Text:**Reaction Between Acetylene and Sodium Amide**
The chemical equation presented illustrates the reaction of acetylene (C₂H₂) with sodium amide (NaNH₂). The equation is shown as follows:
- **Reactants:**
- Acetylene (C₂H₂) represented with a triple bond between the two carbon atoms.
- Sodium amide, depicted as Na⁺ and the amide ion (:NH₂⁻). The nitrogen in the amide ion has a lone pair of electrons.
- **Reaction:**
- The equation shows an equilibrium arrow, indicating a reversible reaction.
- **Product:**
- The product is not explicitly shown in the diagram; however, the box on the right side is designated for the resulting species of the reaction.
This reaction typically results in the formation of sodium acetylide (NaC≡CH) and releases ammonia (NH₃) as a by-product. Sodium acetylide is formed when the acidic hydrogen of acetylene is replaced by a sodium ion.

Transcribed Image Text:### Chemical Reactions Overview
This section explores four chemical reactions featuring organic and inorganic compounds. Each reaction showcases different bond formations and charge distributions.
#### a) Reaction 1:
- **Reactants:** Hydrogen cyanide (HC≡N-H) and Sodium hydride (NaH).
- The hydrogen cyanide features a triple bond between carbon and nitrogen. Nitrogen has a lone pair, while sodium hydride is a compound of sodium and hydrogen.
#### b) Reaction 2:
- **Reactants:** Ethylene (H2C=CH2) and Sodium azide (Na3N).
- Ethylene has a double bond between two carbon atoms, with each carbon atom bonded to two hydrogen atoms. Sodium azide consists of sodium ions paired with azide anions.
#### c) Reaction 3:
- **Reactants:** Propene anion and Ammonia (NH3).
- The propene anion (H2C-CH-) has an additional electron represented by a lone pair and a negative charge on one of the carbon atoms. Ammonia is a nitrogen atom with three hydrogens and a lone pair.
#### d) Reaction 4:
- **Reactants:** Acetylene anion (HC≡C⁻) and Ammonium ion (NH4⁺).
- Acetylene anion features a triple bond between carbons, with one carrying a negative charge. The ammonium ion is a positively charged nitrogen with four hydrogens.
Each reaction illustrates fundamental principles of organic chemistry, including bond types and electron configurations.
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