Aa.80. Place the steps in order from first to last for confirming the presence of lead(II) ions in a sample.First stepLast stepAnswer BankDecant the liquid above the white precipitate and add hot water to the white precipitate.Decant the liquid and add NH3 to the white precipitate.The formation of a yellow precipitate confirms the presence of lead(II). Add HCl to the sample.Decant the liquid and add K₂ CrO to the liquid. Decant the liquid and add HNO3 to the liquid.The formation of a white and black precipitate confirms the presence of lead(II).The formation of a white solid confirms the presence of lead(II).

Answer: This question is based on qualitative analysis of basic radicals where we are analyzing the…

Answered: Place the steps in order from first to…

Science

Chemistry

Place the steps in order from first to last for confirming the presence of lead(II) ions in a sample.

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...

See similar textbooks

Related questions

Q: c) d) Ph 1. NaN3 2. inter Ph 3 heat Compound D 1. NaOH, heat 2. Me₂CuLi 3. H3O+ work up Compound E

Q: 1. O3 , 2. (CH3)2S

Q: None

A: The given reaction is an example of Michael addition. In this reaction, an enolate ion (referred to…

Q: Is there a minimum standard reduction potential that the half-reaction used at the cathode of this…

Q: ddd.) eee.) fff.) CI D CI XS Zn XS HCl(aq) OH 1. LIH, THF 2. ethyl iodide acetic acid A

A: Reactions are processes in which a reactant is converted to a product. During a reaction, some of…

Q: CH,OH b. СНО CH,OH CHO a. с. C=0 H-C-OH C-O H-C-OH Н-С-ОН Н-С-ОН Н-С-ОН Н-С-ОН CH,OH Но-С-Н Н-С-ОН…

A: The saccharides containing an aldehyde group are called Aldoses while those with a ketone group are…

Q: NH 2 NHENH, H,SO4 NČNHNH (27 CNHNH2 2. 2. HO NNHCNH2 (4) NN HCNH2 Ho.

Q: h N3 1. LiAlH4 2. H₂O

A: Lithium aluminium hydride is a very strong reducing agent it will reduce azide to primary amine in…

Q: Match the words in the left column to the appropriate blanks in the sentences on the right. H₂O 03…

A: A question based on environmental pollution. A question with unfilled spaces is to be filled based…

Q: 12:01 knewton.com Question H- OH но H- OH H- OH CH,OH The structure of glucose is shown above. What…

Q: 3 2 PPM OH CI CH2-CH3 CH3-CH2-CH2-CH-OH CH3-CH-CH2-CH3 CH3-C CH2-CH3 CH3 CI

Q: Fill in the blank boxes below. 1. 1. 2. 9. 1. BH THF 2. HO, HO2 RO H Pd/C HCI HO 3. Cl2 CH-C HCI 7.…

A: The explanation of the organic reactions are given below in detail

Q: (a) (b) (c) Br Br Nal acetone NaCN NaSCH 3

Q: See Figure 2-7. Which of the other structures are the same as Compound Y? A B ✔C E F

Q: Write a balanced chemical equation for the reac- tion of bromine and triolein, a triglyceride of…

Q: b. + HBr + HI H₂O H₂SO4

Q: Is there a minimum standard reduction potential that the half-reaction used at the cathode of this…

Q: (b) 1.9-BBN 2. H₂O2, KOH

A: Given,The reaction:

Q: Solve for v . 7 28 4 Simplify your answer as much as possible. V = ?

A: we have to solve for 'v' 28=-74v Now, Divide both sides by '7' we get, 287=-74×17v Now,…

Q: CI 1. HN(CH3)2 2. LiAlH4 3. H₂O

A: We have to predict the correct product.

Q: H3C CH3 H2O H2SO4 Br HO ELOH Br SH NaOH HO 1) NaH 2) BRCH,CH,F OH H2SO4 LOCH3 1) LIAIH4 2) H3O* NC.…

A: The detailed mechanism provided in attach image

Q: السلم Br HO 1. NaBH4 (0.25 eq.), H₂O 2. 1. 1. MgBr (1 eq.), CH3CH₂OCH₂CH3 MgBr (xs), Et₂O 2. DCI,…

A: Grignard reagent (RMgX) is used to make C-C bond in organic synthesis

Q: None

A: Note: in all the other cases, line option A=attachment is wrong and total number of carbons are 8…

Q: NH3CI Br xs NaOH

A: Synthesis of piperidine

Q: E. OCH3 Bra FeBra SO3 H₂SO4 F. CI AICI Na/NH3 EtOH

Q: QUESTION 7 O a. Cro3, HCI, pyridine O b. H2SO4 O C. NaH O d. LIAIH4 O e. NABH4 O f. Ag20, H20, NH4OH…

A: Organic reaction mechanisms

Q: Part B How many pi (T) bond are found in tryptophan? Submit Request Answer Part C What is the…

Q: 5) King Krator the Merciless has called on Pogo, a humble goldsmith, to make a crown for the King.…

A: The mass of gold given by King Krator to gold Smith Pogo is ---- 14 oz. The density of gold=19.3…

Q: Which of the following molecules will most likely have London forces as their only attractive force…

A: Intermolecular forces are defined as the forces of attraction or repulsion which is present between…

Q: The chemical structure of lactic acid (C₂H₂O3) is shown below. Highlight each atom that is in a…

A: Given,

Q: 2. The following elimination will not give the desired alkene product. Identify the mistake(s) in…

A: For the elimination leaving group should be good. OH is not a good leaving group, moreover in the…

Q: (b) 0 alcohol OH *** *** 1. H3PO4 2. Os04 3. NaHSO3 ChemDoodleⓇ

A: Alcohol react with H3PO4 to give alkene then followed react OSO4 and NaHSO3 to give Cis diol

Q: 2. Calculate AH for the following in the same way you did in #1. 2 H2O (g) a. CO2 (g) + 4 H2 (g) →…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: H 1) BH3 2) NaOH, H₂O₂

A: Given,The reaction:

Q: Stock hydrochloric acid (HCI) has a concentration of 12.1 M. What volume of concentrated HCI, in mL,…

A: Dilution : Addition of solvent to the solution is called dilution In dilution process number of…

Q: / CI CN OCH 3 H₂O +H 1. ONa 2. 3. H₂O+ N. CH3

Q: Determine the mass of solid NaCH:COO that must be dissolved in an existing 500.0 mL solution of…

Question

Aa.80.

Place the steps in order from first to last for confirming the presence of lead(II) ions in a sample.
First step
Last step
Answer Bank
Decant the liquid above the white precipitate and add hot water to the white precipitate.
Decant the liquid and add NH3 to the white precipitate.
The formation of a yellow precipitate confirms the presence of lead(II). Add HCl to the sample.
Decant the liquid and add K₂ CrO to the liquid. Decant the liquid and add HNO3 to the liquid.
The formation of a white and black precipitate confirms the presence of lead(II).
The formation of a white solid confirms the presence of lead(II).

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

Step 2

Step 3

Step 4

Trending now

This is a popular solution!

Step by step

Solved in 4 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

HO 1) 2) OH
The answer is 0.45
Liquid ammonia and liquid methane have very similar molecular weights but substantially different boiling points. Explain why they are different and why the direction of that difference is as shown in the table below. Compound Formula mol. wt. bp C ammonia NH3 17.0 -33.3 methane CH4 16.0 +164
a) HC=CH 1. NaNH 2. PhCH₂Br 3. NaNH, 4. CH3CH₂1
1.) 2.) OCH3 3.) b.) 1.) NaOCH3. Cнон (1 equiv) c.) 1.) NaOCH3, CH,OH (1 equiv) 1.) NaOCH, CHОН (1 equiv) Br Br 2.) 2.) 2.) Br 3.) H2SO4, H2O, A 3.) H2SO4, H20, A 3.) H2SO4, H20, A f.) 1.) NaOCH, CHОН (1 equiv) d) 1.) NaOCH3, CH3OH (1 equiv) 1.) NaOCH. CH,Oн (1 equiv) MgBr MgBr 2.) 2.) 2.) MgBr 3.) H2SO4, H20, A 3.) H2SO4, H20, a 3.) H2SO4, H2O, A
How are the two BRs related and how are the OH figures related
9. ??? a. F2, FeF3 b. 1. Br2, FeBr3; 2. NaNH2, NH3 (1); 3. AcOH, NaN3, then HBF4 c. 1. NaNH2, NH3 (1); AcOH, NaN3, then HBF4 d. 1. Br2, hv; 2. F, THF HO ??? H₂N 10. a. 1. CH2CH=CH2, H3O+; 2. TsCl, pyr; 3. NaNO2, ether; 4. Fe, HCI, A b. 1. (CH3)2CHBr, FeBr3; 2. TsCl, pyr; 3. NaNH2, NH3 (1) c. 1. NaNH2, NH3 (1); 2. CH2CH=CH2, H3O+ d. 1. TsCl, pyr; 2. NaNO2, ether; 3. CH3CH2CH2Br, FeBr3; 4. Fe, HCI, A
3. OCH3 1. LiAlH4 2. H₂O* 3. SOCI₂ OCH3 H
d. e. H OCH3 1. Excess LiAlH4 2. H3O+ 1. CH3-C=C 2. H3O+
1.) CF3CO3H b.) d)
28) H .N. HN- H,O/H+
OH Он 1. LАІН, (xs.) 2. H₂O o b. OH OH ن ОН Он ОН Он d. ОН ОН ОН Он Tiempo restante (