The name of the oxyanions and acid has to be given. Concept introduction: The anion which contains oxygen is called oxy-anions. While naming covalent compound, the name of the cation is written first, followed by the name of the anion. Generally, the cation present is a metal or a polyatomic cation, whereas the anion is a non-metal. Rules for naming binary compound: In naming of binary compound, the name of cation comes first which is the name of element. Anion is named second which is also the name of element. When there are only two members in a compound then anion having at most two oxygen ends in –ite, and the anion having more than two oxygen ends in –ate. If more than two oxyanion is present in compound then “hypo-” (less than) and “per-” (more than) is used in prefix. If the name of anions ends in “ate-” then acid name ends in –ic or –ric. If the name of anion ends in “-ite”, then the name of acid ends in –ous.

Question

1. Draw structures corresponding to each of the following names [3 ONLY]: A. 2,2,2-trichloroethanal (chloral). B. trans-3-isopropylcyclohexanecarbaldehyde C. What is the correct structure for 2-hydroxyacetophenone? Circle the letter of your response. a C 0 OH OH OH HO b. H3C CH 0 H d OH D. Provide IUPAC names for each structure below. 0 H C-H 0 0 CH3 H NO₂ E. The substance formed on addition of water to an aldehyde or ketone is called a hydrate or a/an: a. vicinal diol b. geminal diol C. acetal d. ketal

Answer 1

Question

Chapter 3, Problem 116E

Interpretation Introduction

Interpretation:

The name of the oxyanions and acid has to be given.

Concept introduction:

The anion which contains oxygen is called oxy-anions. While naming covalent compound, the name of the cation is written first, followed by the name of the anion. Generally, the cation present is a metal or a polyatomic cation, whereas the anion is a non-metal.

Rules for naming binary compound:

In naming of binary compound, the name of cation comes first which is the name of element. Anion is named second which is also the name of element.

When there are only two members in a compound then anion having at most two oxygen ends in –ite, and the anion having more than two oxygen ends in –ate.

If more than two oxyanion is present in compound then “hypo-” (less than) and “per-” (more than) is used in prefix.

If the name of anions ends in “ate-” then acid name ends in –ic or –ric.

If the name of anion ends in “-ite”, then the name of acid ends in –ous.

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1. Draw structures corresponding to each of the following names [3 ONLY]: A. 2,2,2-trichloroethanal (chloral). B. trans-3-isopropylcyclohexanecarbaldehyde C. What is the correct structure for 2-hydroxyacetophenone? Circle the letter of your response. a C 0 OH OH OH HO b. H3C CH 0 H d OH D. Provide IUPAC names for each structure below. 0 H C-H 0 0 CH3 H NO₂ E. The substance formed on addition of water to an aldehyde or ketone is called a hydrate or a/an: a. vicinal diol b. geminal diol C. acetal d. ketal

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Redraw the tripeptide with or without its acidic hydrogensto demonstrate where the total charge of -2 comes from: *see image