Chemistry: Principles and Reactions
8th Edition
ISBN: 9781305079373
Author: William L. Masterton, Cecile N. Hurley
Publisher: Cengage Learning
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Textbook Question
Chapter 4, Problem 65QAP
Using circles to represent cations and squares to represent anions, show pictorially the reactions that occur between aqueous solutions of
(a) Fe3+ and OH-.
(b) Na+ and PO43-.
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Rank each of the following substituted benzene molecules in order of which will react fastest (1) to slowest (4) by electrophilic
aromatic substitution.
Explanation
Check
CF3
(Choose one)
OH
(Choose one)
H
(Choose one)
(Choose one)
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Identifying electron-donating and electron-withdrawing effects
For each of the substituted benzene molecules below, determine the inductive and resonance effects the substituent will have on the
benzene ring, as well as the overall electron-density of the ring compared to unsubstituted benzene.
Molecule
Inductive Effects
Resonance Effects
Overall Electron-Density
CF3
O donating
O donating
O electron-rich
O withdrawing
withdrawing
O no inductive effects
O no resonance effects
O electron-deficient
O similar to benzene
OCH3
Explanation
Check
O donating
O donating
○ withdrawing
withdrawing
O no inductive effects
no resonance effects
electron-rich
electron-deficient
O similar to benzene
Х
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The acid-base chemistry of both EDTA and EBT are important to ensuring that the reactions proceed as desired, thus the pH is controlled using a buffer. What percent of the EBT indicator will be in the desired HIn2- state at pH = 10.5. pKa1 = 6.2 and pKa2 = 11.6 of EBT
Chapter 4 Solutions
Chemistry: Principles and Reactions
Ch. 4 - Write the formulas of the following compounds and...Ch. 4 - Prob. 2QAPCh. 4 - Describe how you would precipitate (a) zinc...Ch. 4 - Name the reagent, if any, that you would add to a...Ch. 4 - Write net ionic equations for the formation of (a)...Ch. 4 - Write net ionic equations to explain the formation...Ch. 4 - Decide whether a precipitate will form when the...Ch. 4 - Follow the directions of Question 7 for solutions...Ch. 4 - Write a net ionic equation for any precipitation...Ch. 4 - Follow the directions for Question 9 for the...
Ch. 4 - What volume of 0.2500 M cobalt(III) sulfate is...Ch. 4 - Prob. 12QAPCh. 4 - A 50.00-mL sample of 0.0250 M silver nitrate is...Ch. 4 - Aluminum ions react with carbonate ions to form an...Ch. 4 - When Na3PO4 and Ca(NO3)2 are combined, the...Ch. 4 - When solutions of aluminum sulfate and sodium...Ch. 4 - Prob. 17QAPCh. 4 - Prob. 18QAPCh. 4 - Prob. 19QAPCh. 4 - Follow the directions of Question 19 for the...Ch. 4 - For an acid-base reaction, what is the reacting...Ch. 4 - Follow the directions of Question 21 for the...Ch. 4 - Prob. 23QAPCh. 4 - Prob. 24QAPCh. 4 - Consider the following generic equation: H+(aq)+...Ch. 4 - Consider the following generic equation...Ch. 4 - Prob. 27QAPCh. 4 - Prob. 28QAPCh. 4 - Prob. 29QAPCh. 4 - Consider several 25.00-mL solutions of perchloric...Ch. 4 - Prob. 31QAPCh. 4 - A student tries to determine experimentally the...Ch. 4 - Prob. 33QAPCh. 4 - For a product to be called vinegar, it must...Ch. 4 - The percentage of sodium hydrogen carbonate,...Ch. 4 - Prob. 36QAPCh. 4 - An artificial fruit beverage contains 12.0 g of...Ch. 4 - Lactic acid, C3H6O3 is the acid present in sour...Ch. 4 - Prob. 39QAPCh. 4 - Prob. 40QAPCh. 4 - Assign oxidation numbers to each element in (a)...Ch. 4 - Assign oxidation numbers to each element in (a)...Ch. 4 - Classify each of the following half-reactions as...Ch. 4 - Classify each of the following half-reactions as...Ch. 4 - Classify each of the following half-reactions as...Ch. 4 - Prob. 46QAPCh. 4 - For each unbalanced equation given below • write...Ch. 4 - Prob. 48QAPCh. 4 - A solution of potassium permanganate reacts with...Ch. 4 - Prob. 50QAPCh. 4 - Hydrogen gas is bubbled into a solution of barium...Ch. 4 - Consider the reaction tween silver and nitric acid...Ch. 4 - The molarity of iodine in solution can be...Ch. 4 - A wire weighing 0.250 g and containing 92.50% Fe...Ch. 4 - Glycerol (C3H8O3) is commonly used as an additive...Ch. 4 - Laws passed in some states define a drunk driver...Ch. 4 - A sample of limestone weighing 1.005 g is...Ch. 4 - The iron content of hemoglobin is determined by...Ch. 4 - In order to determine the purity of ammonium...Ch. 4 - Gold metal will dissolve only in aqua regia, a...Ch. 4 - Prob. 61QAPCh. 4 - Ten mL of concentrated H3PO4 (91.7% by mass,...Ch. 4 - Consider the following balanced redox reaction in...Ch. 4 - Prob. 64QAPCh. 4 - Using circles to represent cations and squares to...Ch. 4 - Assuming that circles represent cations and...Ch. 4 - Consider four beakers. Beaker A has an aqueous...Ch. 4 - The following figures represent species before and...Ch. 4 - A student is asked to identify the metal nitrate...Ch. 4 - Three students titrate different samples of the...Ch. 4 - Calcium in blood or urine can be determined by...Ch. 4 - Copper metal can reduce silver ions to metallic...Ch. 4 - Copper metal can reduce silver ions to metallic...Ch. 4 - A solution contains both iron(II) and iron(III)...Ch. 4 - A student is given 0.930 g of an unknown acid,...Ch. 4 - Solid iron(III) hydroxide is added to 625 mL of...Ch. 4 - A 300.0-g sample of a solid is made up of a...Ch. 4 - When 85.0 mL of 0.250 M Ba(OH)2 solution is added...
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- For each of the substituted benzene molecules below, determine the inductive and resonance effects the substituent will have on the benzene ring, as well as the overall electron-density of the ring compared to unsubstituted benzene. Molecule Inductive Effects Resonance Effects Overall Electron-Density × NO2 ○ donating O donating O withdrawing O withdrawing O electron-rich electron-deficient no inductive effects O no resonance effects O similar to benzene E [ CI O donating withdrawing O no inductive effects Explanation Check ○ donating withdrawing no resonance effects electron-rich electron-deficient O similar to benzene © 2025 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center Accesarrow_forwardUnderstanding how substituents activate Rank each of the following substituted benzene molecules in order of which will react fastest (1) to slowest (4) by electrophilic aromatic substitution. Explanation HN NH2 Check X (Choose one) (Choose one) (Choose one) (Choose one) © 2025 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center Aarrow_forwardIdentifying electron-donating and electron-withdrawing effects on benzene For each of the substituted benzene molecules below, determine the inductive and resonance effects the substituent will have on the benzene ring, as well as the overall electron-density of the ring compared to unsubstituted benzene. Inductive Effects Resonance Effects Overall Electron-Density Molecule CF3 O donating O donating O withdrawing O withdrawing O no inductive effects O no resonance effects electron-rich electron-deficient O similar to benzene CH3 O donating O withdrawing O no inductive effects O donating O withdrawing Ono resonance effects O electron-rich O electron-deficient O similar to benzene Explanation Check Х © 2025 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Centerarrow_forward
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