CHEMISTRY (LOOSELEAF) >CUSTOM<
13th Edition
ISBN: 9781264348992
Author: Chang
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 16, Problem 16.62QP
A volume of 75 mL of 0.060 M NaF is mixed with 25 mL of 0.15 M Sr(NO3)2. Calculate the concentrations in the final solution of
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Give reason(s) for six from the followings [using equations if possible] a. Addition of sodium carbonate to sulfanilic acid in the Methyl Orange preparation. b. What happened if the diazotization reaction gets warmed up by mistake. c. Addition of sodium nitrite in acidified solution in MO preparation through the diazotization d. Using sodium dithionite dihydrate in the second step for Luminol preparation. e. In nitroaniline preparation, addition of the acid mixture (nitric acid and sulfuric acid) to the product of step I. f. What is the main reason of the acylation step in nitroaniline preparation g. Heating under reflux. h. Fusion of an organic compound with sodium.
HAND WRITTEN PLEASE
edict the major products of the following organic reaction:
u
A
+
?
CN
Some important notes:
• Draw the major product, or products, of the reaction in the drawing area below.
• If there aren't any products, because no reaction will take place, check the box below the drawing area instead.
Be sure to use wedge and dash bonds when necessary, for example to distinguish between major products that are enantiomers.
Explanation
Check
Click and drag to start drawing a structure.
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© 2025 McGraw Hill LLC. All Rights Reserved. Te
LMUNDARY
Sketch the intermediates for A,B,C & D.
Chapter 16 Solutions
CHEMISTRY (LOOSELEAF) >CUSTOM<
Ch. 16.2 - What is the pH of a solution containing 0.30 M...Ch. 16.2 - Prob. 1RCFCh. 16.2 - What is the pH of a solution containing 0.25 M...Ch. 16.3 - Which of the following couples are buffer systems:...Ch. 16.3 - Calculate the pH of the 0.30 M NH3/0.36 M NH4Cl...Ch. 16.3 - How would you prepare a liter of carbonate buffer...Ch. 16.3 - Calculate the pH of the 0.40 M HF/0.48 M KF buffer...Ch. 16.3 - The diagrams (a)(d) represent solutions containing...Ch. 16.4 - Exactly 100 mL of 0.10 M nitrous acid (HNO2) are...Ch. 16.4 - Calculate the pH at the equivalence point in the...
Ch. 16.4 - For which of the following titrations will the pH...Ch. 16.4 - Calculate the pH at the equivalence point in the...Ch. 16.4 - calculate the pH in the titration of 50.0 mL of...Ch. 16.5 - Referring to Table 16.1, specify which indicator...Ch. 16.5 - Under what conditions will the end point of an...Ch. 16.6 - The solubility of lead chromate (PbCrO4) is 4.5 ...Ch. 16.6 - Calculate the solubility of silver chloride (AgCl)...Ch. 16.6 - Prob. 10PECh. 16.6 - Prob. 1RCFCh. 16.6 - Will a precipitate form when 50.0 mL of 0.0100 M...Ch. 16.6 - The diagrams (a)(d) represent solutions of AgCl,...Ch. 16.7 - The solubility products of AgCl and Ag3PO4 are 1.6...Ch. 16.7 - AgNO3 is slowly added to a solution that contains...Ch. 16.8 - Prob. 12PECh. 16.8 - Calculate the molar solubility of CaF2 in 0.0015 M...Ch. 16.9 - Is the solubility of the following compounds...Ch. 16.9 - Calculate whether or not a precipitate will form...Ch. 16.9 - Prob. 1RCFCh. 16.10 - Prob. 15PECh. 16.10 - Calculate the molar solubility of AgBr in a 1.0 M...Ch. 16.10 - Prob. 1RCFCh. 16.11 - An aqueous solution contains both Zn2+ and Pb2+...Ch. 16 - Use Le Chteliers principle to explain how the...Ch. 16 - Describe the effect on pH (increase, decrease, or...Ch. 16 - The pKas of two monoprotic acids HA and HB are 5.9...Ch. 16 - Determine the pH of (a) a 0.40 M CH3COOH solution,...Ch. 16 - Determine the pH of (a) a 0.20 M NH3 solution, (b)...Ch. 16 - What is a buffer solution? What constitutes a...Ch. 16 - Which of the following has the greatest buffer...Ch. 16 - Which of the following solutions can act as a...Ch. 16 - Which of the following solutions can act as a...Ch. 16 - Calculate the pH of the buffer system made up of...Ch. 16 - Calculate the pH of the following two buffer...Ch. 16 - The pH of a bicarbonate-carbonic acid buffer is...Ch. 16 - What is the pH of the buffer 0.10 M Na2HPO4/0.15 M...Ch. 16 - The pH of a sodium acetateacetic acid buffer is...Ch. 16 - The pH of blood plasma is 7.40. Assuming the...Ch. 16 - Calculate the pH of the 0.20 M NH3/0.20 M NH4Cl...Ch. 16 - Calculate the pH of 1.00 L of the buffer 1.00 M...Ch. 16 - A student is asked to prepare a buffer solution at...Ch. 16 - The diagrams (a)(d) contain one or more of the...Ch. 16 - The diagrams shown here represent solutions...Ch. 16 - How much NaOH (in moles) must be added to 1 L of a...Ch. 16 - How much HCl (in moles) must be added to 1 L of a...Ch. 16 - Briefly describe what happens in an acid-base...Ch. 16 - Sketch titration curves for the following...Ch. 16 - A 0.2688-g sample of a monoprotic acid neutralizes...Ch. 16 - A 5.00-g quantity of a diprotic acid was dissolved...Ch. 16 - In a titration experiment, 12.5 mL of 0.500 M...Ch. 16 - In a titration experiment, 20.4 mL of 0.883 M...Ch. 16 - A 0.1276-g sample of an unknown monoprotic acid...Ch. 16 - A solution is made by mixing 5.00 102 mL of 0.167...Ch. 16 - Calculate the pH at the equivalence point for the...Ch. 16 - Calculate the pH at the equivalence point for the...Ch. 16 - A 25.0-mL solution of 0.100 M CH3COOH is titrated...Ch. 16 - A 10.0-mL solution of 0.300 M NH3 is titrated with...Ch. 16 - The diagrams shown here represent solutions at...Ch. 16 - Prob. 16.38QPCh. 16 - A 0.054 M HNO2 solution is titrated with a KOH...Ch. 16 - A student titrates an unknown monoprotic acid with...Ch. 16 - Explain how an acid-base indicator works in a...Ch. 16 - The amount of indicator used in an acid-base...Ch. 16 - Referring to Table 16.1, specify which indicator...Ch. 16 - A student carried out an acid-base titration by...Ch. 16 - The ionization constant Ka of an indicator HIn is...Ch. 16 - Use BaSO4 to distinguish between solubility, molar...Ch. 16 - Why do we usually not quote the Ksp values for...Ch. 16 - Write balanced equations and solubility product...Ch. 16 - Write the solubility product expression for the...Ch. 16 - How can we predict whether a precipitate will form...Ch. 16 - Silver chloride has a larger Ksp than silver...Ch. 16 - From the solubility data given, calculate the...Ch. 16 - The molar solubility of MnCO3 is 4.2 106 M. What...Ch. 16 - The solubility of an ionic compound MX (molar mass...Ch. 16 - The solubility of an ionic compound M2X3 (molar...Ch. 16 - Using data from Table 16.2, calculate the molar...Ch. 16 - Prob. 16.59QPCh. 16 - The pH of a saturated solution of a metal...Ch. 16 - If 20.0 mL of 0.10 M Ba(NO3)2 are added to 50.0 mL...Ch. 16 - A volume of 75 mL of 0.060 M NaF is mixed with 25...Ch. 16 - Solid NaI is slowly added to a solution that is...Ch. 16 - Find the approximate pH range suitable for the...Ch. 16 - How does the common ion effect influence...Ch. 16 - Prob. 16.66QPCh. 16 - How many grams of CaCO3 will dissolve in 3.0 102...Ch. 16 - The solubility product of PbBr2 is 8.9 106....Ch. 16 - Calculate the molar solubility of AgCl in a 1.00-L...Ch. 16 - Calculate the molar solubility of BaSO4 (a) in...Ch. 16 - Prob. 16.71QPCh. 16 - Which of the following will be more soluble in...Ch. 16 - Prob. 16.73QPCh. 16 - Calculate the molar solubility of Fe(OH)2 in a...Ch. 16 - The solubility product of Mg(OH)2 is 1.2 1011....Ch. 16 - Calculate whether or not a precipitate will form...Ch. 16 - If 2.50 g of CuSO4 are dissolved in 9.0 102 mL of...Ch. 16 - Calculate the concentrations of Cd2+, Cd(CN3)42,...Ch. 16 - If NaOH is added to 0.010 M Al3+, which will be...Ch. 16 - Calculate the molar solubility of AgI in a 1.0 M...Ch. 16 - Both Ag+ and Zn2+ form complex ions with NH3....Ch. 16 - Explain, with balanced ionic equations, why (a)...Ch. 16 - Outline the general procedure of qualitative...Ch. 16 - Give two examples of metal ions in each group (1...Ch. 16 - In a group 1 analysis, a student obtained a...Ch. 16 - In a group 1 analysis, a student adds HCl acid to...Ch. 16 - Both KCl and NH4Cl are white solids. Suggest one...Ch. 16 - Describe a simple test that would enable you to...Ch. 16 - To act as an effective buffer, the concentrations...Ch. 16 - The pKa of the indicator methyl orange is 3.46....Ch. 16 - The iodide impurity in a 4.50-g sample of a metal...Ch. 16 - A sodium acetate-acetic acid buffer solution was...Ch. 16 - Prob. 16.95QPCh. 16 - A 200-mL volume of NaOH solution was added to 400...Ch. 16 - The pKa of butyric acid (HBut) is 4.7. Calculate...Ch. 16 - A solution is made by mixing 5.00 102 mL of 0.167...Ch. 16 - Cd(OH)2 is an insoluble compound. It dissolves in...Ch. 16 - A student mixes 50.0 mL of 1.00 M Ba(OH)2 with...Ch. 16 - For which of the following reactions is the...Ch. 16 - A 2.0-L kettle contains 116 g of boiler scale...Ch. 16 - Equal volumes of 0.12 M AgNO3 and 0.14 M ZnCl2...Ch. 16 - Prob. 16.104QPCh. 16 - Prob. 16.105QPCh. 16 - A volume of 25.0 mL of 0.100 M HCl is titrated...Ch. 16 - The molar solubility of Pb(IO3)2 in a 0.10 M NaIO3...Ch. 16 - When a KI solution was added to a solution of...Ch. 16 - Barium is a toxic substance that can seriously...Ch. 16 - Prob. 16.110QPCh. 16 - Solid NaBr is slowly added to a solution that is...Ch. 16 - Cacodylic acid is (CH3)2AsO2H. Its ionization...Ch. 16 - Radiochemical techniques are useful in estimating...Ch. 16 - The molar mass of a certain metal carbonate, MCO3,...Ch. 16 - Acid-base reactions usually go to completion....Ch. 16 - Calculate x, which is the number of molecules of...Ch. 16 - Describe how you would prepare a 1-L 0.20 M...Ch. 16 - Prob. 16.118QPCh. 16 - Prob. 16.119QPCh. 16 - What reagents would you employ to separate the...Ch. 16 - Look up the Ksp values for BaSO4 and SrSO4 in...Ch. 16 - In principle, amphoteric oxides, such as Al2O3 and...Ch. 16 - Prob. 16.123QPCh. 16 - When lemon juice is squirted into tea, the color...Ch. 16 - How many milliliters of 1.0 M NaOH must be added...Ch. 16 - The maximum allowable concentration of Pb2+ ions...Ch. 16 - Which of the following solutions has the highest...Ch. 16 - Prob. 16.129QPCh. 16 - Water containing Ca2+ and Mg2+ ions is called hard...Ch. 16 - Prob. 16.131QPCh. 16 - Prob. 16.132QPCh. 16 - (a) Referring to Figure 16.6, describe how you...Ch. 16 - Prob. 16.135QPCh. 16 - One way to distinguish a buffer solution with an...Ch. 16 - Prob. 16.137QPCh. 16 - A sample of 0.96 L of HCl at 372 mmHg and 22C is...Ch. 16 - (a) Assuming complete dissociation and no ion-pair...Ch. 16 - Calculate the maximum mass (in grams) of each of...Ch. 16 - A 1.0-L saturated silver carbonate solution at 5C...Ch. 16 - The two curves shown represent the titration of...Ch. 16 - Prob. 16.143QPCh. 16 - A 100-mL 0.100 M CuSO4 solution is mixed with a...Ch. 16 - The titration curve shown represents the titration...Ch. 16 - The titration curve shown represents the titration...Ch. 16 - Use appropriate equations to account for the...Ch. 16 - Prob. 16.148QPCh. 16 - Aspirin is a weak acid with pKa = 3.5. What is the...
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- Can the molecule on the right-hand side of this organic reaction be made in good yield from no more than two reactants, in one step, by moderately heating the reactants? O ? A . If your answer is yes, then draw the reactant or reactants in the drawing area below. You can draw the reactants in any arrangement you like. . If your answer is no, check the box under the drawing area instead. Explanation Check Click and drag to start drawing a structure. ㅇ 80 F5 F6 A 2025 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Cente FIGarrow_forwardIn methyl orange preparation, if the reaction started with 0.5 mole of sulfanilic acid to form the diazonium salt of this compound and then it converted to methyl orange [0.2 mole]. If the efficiency of the second step was 50%, Calculate: A. Equation(s) of Methyl Orange synthesis: Diazotization and coupling reactions. B. How much diazonium salt was formed in this reaction? C. The efficiency percentage of the diazotization reaction D. Efficiency percentage of the whole reaction.arrow_forwardHand written equations pleasearrow_forward
- Hand written equations pleasearrow_forward> each pair of substrates below, choose the one that will react faster in a substitution reaction, assuming that: 1. the rate of substitution doesn't depend on nucleophile concentration and 2. the products are a roughly 50/50 mixture of enantiomers. Substrate A Substrate B Faster Rate X Ś CI (Choose one) (Choose one) CI Br Explanation Check Br (Choose one) © 2025 McGraw Hill LLC. All Rights Farrow_forwardNMR spectrum of ethyl acetate has signals whose chemical shifts are indicated below. Which hydrogen or set of hydrogens corresponds to the signal at 4.1 ppm? Select the single best answer. The H O HỌC—C—0—CH, CH, 2 A ethyl acetate H NMR: 1.3 ppm, 2.0 ppm, 4.1 ppm Check OA B OC ch B C Save For Later Submit Ass © 2025 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center |arrow_forward
- How many signals do you expect in the H NMR spectrum for this molecule? Br Br Write the answer below. Also, in each of the drawing areas below is a copy of the molecule, with Hs shown. In each copy, one of the H atoms is colored red. Highlight in red all other H atoms that would contribute to the same signal as the H already highlighted red Note for advanced students: In this question, any multiplet is counted as one signal. 1 Number of signals in the 'H NMR spectrum. For the molecule in the top drawing area, highlight in red any other H atoms that will contribute to the same signal as the H atom already highlighted red. If no other H atoms will contribute, check the box at right. Check For the molecule in the bottom drawing area, highlight in red any other H atoms that will contribute to the same signal as the H atom already highlighted red. If no other H atoms will contribute, check the box at right. O ✓ No additional Hs to color in top molecule ง No additional Hs to color in bottom…arrow_forwardin the kinetics experiment, what were the values calculated? Select all that apply.a) equilibrium constantb) pHc) order of reactiond) rate contstantarrow_forwardtrue or false, given that a 20.00 mL sample of NaOH took 24.15 mL of 0.141 M HCI to reach the endpoint in a titration, the concentration of the NaOH is 1.17 M.arrow_forward
- in the bromothymol blue experiment, pKa was measured. A closely related compound has a Ka of 2.10 x 10-5. What is the pKa?a) 7.1b) 4.7c) 2.0arrow_forwardcalculate the equilibrium concentration of H2 given that K= 0.017 at a constant temperature for this reaction. The inital concentration of HBr is 0.050 M.2HBr(g) ↔ H2(g) + Br2(g)a) 4.48 x 10-2 M b) 5.17 x 10-3 Mc) 1.03 x 10-2 Md) 1.70 x 10-2 Marrow_forwardtrue or falsegiven these two equilibria with their equilibrium constants:H2(g) + CI2(l) ↔ 2HCI(g) K= 0.006 CI2(l) ↔ CI2(g) K= 0.30The equilibrium contstant for the following reaction is 1.8H2(g) + CI2 ↔ 2HCI(g)arrow_forward
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