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Lewis Acid and Base Solutions Library

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68 solutions

Lewis Acid and Base

Q. Which of the following is a Lewis acid?A. BH3B. HFC. H2OD. NH3E. none of the above

Solved • Feb 10, 2020

Lewis Acid and Base

Q. Which of the following molecules can be classified as a Brønsted-Lowry base?A. CN-B. H2OC. NH3D. all of the aboveE. none of the above

Solved • Feb 10, 2020

Lewis Acid and Base

Q. Which of the following ions or molecules can be classified as a Lewis base?A. CN-B. H2OC. NH3D. all of the aboveE. none of the above

Solved • Feb 10, 2020

Lewis Acid and Base

Q. Which one of the following substances is a Lewis acid?A. CH4B. H2C. H2OD. NH3E. BF3

Solved • Feb 10, 2020

Lewis Acid and Base

Q. Which of the following statements regarding Lewis acids and bases is/are correct?I A Lewis Acid is defined as an electron acceptorII BF3 is a Lewis...

Solved • Feb 6, 2020

Lewis Acid and Base

Q. A large molecule X is classified as a Lewis acid, and another molecule, Y, is a Bronsted-Lowry acid. Which of the following best describes a compar...

Solved • Nov 11, 2019

Lewis Acid and Base

Q. Why is BCl3 a Lewis acid?

Solved • Aug 7, 2019

Lewis Acid and Base

Q. Classify each of the following as a Lewis acid or a Lewis base:Fe3+ BCl3 S2-H2OSO3

Solved • Aug 2, 2019

Lewis Acid and Base

Q. The fluoride ion reacts with water to produce HF. Is fluoride acting as a Lewis acid or as a Lewis base when reacting with water?

Solved • Dec 13, 2018

Lewis Acid and Base

Q. In many reactions the addition of AlCl3 produces the same effect as the addition of H+.Predict the result of the reaction between AlCl3 and NH3 in ...

Solved • Dec 13, 2018

Lewis Acid and Base

Q. Identify the Lewis acid and Lewis base from among the reactants in each of the following equations.Fe3+(aq) + 6H2O(l) ⇌ Fe(H2O)63+(aq)

Solved • Dec 13, 2018

Lewis Acid and Base

Q. Identify the Lewis acid and Lewis base from among the reactants in each of the following equations.(CH3)3N(g) + BF3(g) ⇌ (CH3)3NBF3(s)

Solved • Dec 13, 2018

Lewis Acid and Base

Q. Identify the Lewis acid and Lewis base from among the reactants in each of the following equations.AlBr3 + NH3 ⇌ H3NAlBr3

Solved • Dec 13, 2018

Lewis Acid and Base

Q. Esters, RCOOR′, are formed by the reaction of carboxylic acids, RCOOH, and alcohols, R′OH, where R and R′ are hydrocarbon groups. Many esters are r...

Solved • Nov 20, 2018

Lewis Acid and Base

Q. Classify the following as Arrhenius, Brønsted-Lowry, or Lewis acid-base reactions. A reaction may fit all, two, one, or none of the categories:(b) ...

Solved • Nov 19, 2018

Lewis Acid and Base

Q. Identify the Lewis acid and Lewis base in the reaction:(c) 4CO + Ni ⇌ Ni(CO)4

Solved • Nov 19, 2018

Lewis Acid and Base

Q. Identify the Lewis acid and Lewis base in the reaction:(c) F− + BF3 ⇌ BF4−

Solved • Nov 19, 2018

Lewis Acid and Base

Q. Which are Lewis acids and which are Lewis bases?(a) Mg2+ (b) OH− (c) SiF4 (d) BeCl2

Solved • Nov 19, 2018

Lewis Acid and Base

Q. Which are Lewis acids and which are Lewis bases?(a) Na+ (b) NH3 (c) CN− (d) BF3

Solved • Nov 19, 2018

Lewis Acid and Base

Q. Would you expect Fe3+ or Fe2+ to be the stronger Lewis acid? Explain.

Solved • Nov 16, 2018

Lewis Acid and Base

Q. Identify the Lewis acid and the Lewis base in the following reaction.c. HgI2(s) + 2I-(aq) ⇌ HgI42-(aq)

Solved • Nov 16, 2018

Lewis Acid and Base

Q. Identify the Lewis acid and the Lewis base in the following reaction.a. Fe3+(aq) + 6H2O(l) ⇌ Fe(H2O)63+(aq)

Solved • Nov 16, 2018

Lewis Acid and Base

Q. Identify the Lewis acid and the Lewis base in the following reaction.b. Ag+(aq) + 2NH3(aq) ⇌ Ag(NH3)2+(aq)

Solved • Nov 16, 2018

Lewis Acid and Base

Q. Identify the Lewis acid and the Lewis base in the following reaction.a. B(OH)3(aq) + H2O(l) ⇌ B(OH)4-(aq) + H+(aq)

Solved • Nov 16, 2018

Lewis Acid and Base

Q. Boric acid, H3BO3, is not a Brønsted-Lowry acid but a Lewis acid.(c) What is the hybridization on the boron consistent with the shape you have pred...

Solved • Nov 8, 2018

Lewis Acid and Base

Q. Write the Lewis structures of the reactants and product of each of the following equations, and identify the Lewis acid and the Lewis base in each:...

Solved • Nov 8, 2018

Lewis Acid and Base

Q. Write the Lewis structures of the reactants and product of each of the following equations, and identify the Lewis acid and the Lewis base in each:...

Solved • Nov 8, 2018

Lewis Acid and Base

Q. Of the following list of molecules and ions, which can behave as Lewis bases: CO3-2, NH4+, Na+, OH-?  (i) NH4+ only (ii) NH4+ and OH- (iii) CO3-2 a...

Solved • Oct 5, 2018

Lewis Acid and Base

Q. Classify each of the following as a Lewis acid or a Lewis base. 

Solved • Sep 26, 2018

Lewis Acid and Base

Q. Classify each of the following as a Lewis acid or a Lewis base. 

Solved • Jul 24, 2018

Lewis Acid and Base

Q. Identify the Lewis acid and Lewis base in each of the following reactions. HNO2(aq) + OH−(aq) ⇌ NO2−(aq) + H2O(l) SO2(g) + H2O(l) ⇌ H2SO3(aq)

Solved • Apr 3, 2018

Lewis Acid and Base

Q. Identify the Lewis acid and Lewis base in each of the following reactions:a. HNO2(aq) + OH-(aq) ⇌ NO2-(aq)+H2O(l)b. FeBr3(s) + Br-(aq) ⇌ FeBr4-(aq)...

Solved • Mar 30, 2018

Lewis Acid and Base

Q. Which of the following is NOT a Bronsted Acid but IS a Lewis Acid?a. H2Ob. BCl3c. NH3d. NH4+e. HCl

Solved • Mar 22, 2018

Lewis Acid and Base

Q. Classify each of the following as either a Lewis acid or a Lewis base:H+ B(OH)3Cl-P(CH3)3

Solved • Mar 20, 2018

Lewis Acid and Base

Q. Classify each of the following as a Lewis acid or a Lewis base. H-, I- Fe3+ NO2 SnCl4 CH3OH (CH3)3N

Solved • Mar 20, 2018

Lewis Acid and Base

Q. For Cu and CH4, which will behave as a Lewis acid toward OH - in water?a. only Cub. only CH4c. Cu and CH4d. neither Cu nor CH4

Solved • Mar 19, 2018

Lewis Acid and Base

Q. Which of the following could act as a Lewis base?a. H2Ob. PCl3c. Lu3+d. FeCl3e. Both (a) and (b) are Lewis bases

Solved • Mar 19, 2018

Lewis Acid and Base

Q. Which of the following can act as a Lewis base? Cr3+, SO3, CH3NH2, BeCl2A. SO3 onlyB. SO3, CH3NH2C. CH3NH2 onlyD. CH3NH2, BeCl2E. Cr3+, BeCl2

Solved • Mar 16, 2018

Lewis Acid and Base

Q. Is SiF4 a lewis base or lewis acid?

Solved • Mar 15, 2018

Lewis Acid and Base

Q. Which of the following can act as a Lewis base?Cr3+, SO3, CH3NH2, BeCl2 a. Cr3+, BeCl2 b. SO3 onlyc. CH3NH2, BeCl2 d. SO3, CH3NH2 e. CH3NH2 only

Solved • Mar 14, 2018

Lewis Acid and Base

Q. Classify each of the following as a Lewis acid or a Lewis base: B(OH) 3OF2Cl-SO3 Na+

Solved • Mar 13, 2018

Lewis Acid and Base

Q. Classify each of the following as either a Lewis acid or a Lewis base.?1. B(OH)32. P(CH3)33. BeCl24. CN-

Solved • Mar 13, 2018

Lewis Acid and Base

Q. Classify the following as a Lewis acid or Base:BeCl2, OH-, B(OH)3, CN-

Solved • Mar 13, 2018

Lewis Acid and Base

Q. For the following reaction, indicate which reactant is the Lewis acid and which is the Lewis base. 4NH3 + Cu2+ ⇌ Cu(NH3)42+    a. NH3 is the Lewi...

Solved • Mar 2, 2018

Lewis Acid and Base

Q. For the following reaction, indicate which reactant is the Lewis acid and which is the Lewis base.SO2 + OH- ⇌ HSO3-a. SO2 is the Lewis acid.b. SO2 ...

Solved • Mar 1, 2018

Lewis Acid and Base

Q. For the following reaction, indicate which reactant is the Lewis acid and which is the Lewis base.a. BF3 is the Lewis acid.b. BF3 is the Lewis base...

Solved • Mar 1, 2018

Lewis Acid and Base

Q. For the following reaction, indicate which reactant is the Lewis acid and which is the Lewis base.Al3+ + 6H2O ⇌ Al(OH)3 + 3H3O+a) Al3+ is the Lewis...

Solved • Feb 27, 2018

Lewis Acid and Base

Q. Identify the Lewis acid and Lewis base in each of the following reactions.

Solved • Feb 14, 2018

Lewis Acid and Base

Q. Classify each of the following as a Lewis acid or a Lewis base.

Solved • Dec 22, 2017

Lewis Acid and Base

Q. Classify each of the following as a Lewis acid or a Lewis base.

Solved • Dec 20, 2017

Lewis Acid and Base

Q. Classify each of the following as a Lewis acid or a Lewis base.BeCl2, NH3, O2-, SO3, Fe2+

Solved • Dec 19, 2017

Lewis Acid and Base

Q. Classify each of the following as a Lewis acid or a Lewis base.

Solved • Sep 22, 2017

Lewis Acid and Base

Q. Which of the following is a Lewis base? A) AlF3 B) H2O C) SiF4 D) C5H12 E) None of the above are Lewis bases.

Solved • Jun 16, 2017

Lewis Acid and Base

Q. Identify the Lewis acid and Lewis base in the following reactions: (a) CH3OH + H3O+ ⇌ CH3OH2+ + H2O (b) BF3 + NH3 → BF3- + NH3+ (c) Cl2 + AlCl3 ...

Solved • May 31, 2017

Lewis Acid and Base

Q. Which of the following are Lewis bases? I)         BCl3 II)        H− III)       H2O IV)       NH3 V)        AlCl3        A) I), II), and IV...

Solved • Mar 22, 2017

Lewis Acid and Base

Q. Which species in the following reaction acts as a Lewis acid?             CuSO4(s) + 4NH3(aq) ⇌ [Cu(NH3)4]2+(aq) + SO42−(aq)       A) Cu2+       ...

Solved • Mar 22, 2017

Lewis Acid and Base

Q. Draw the product(s) of the following acid-base reaction. Include all lone pairs and formal charges. Use curved arrow(s) to show the electron moveme...

Solved • Feb 9, 2017

Lewis Acid and Base

Q. The second step in a synthesis of isoamyl acetate, an ester commonly used in the food and cosmetic industries to mimic banana flavor, is represente...

Solved • Dec 26, 2016

Lewis Acid and Base

Q. True or false: SO3 is a stronger Lewis acid than SO2.

Solved • Dec 23, 2016

Lewis Acid and Base

Q. NCl3 would be described as: A) Lewis acid because it can donate electrons B) Lewis acid because it can receive electrons C) Lewis base because i...

Solved • Oct 17, 2016

Lewis Acid and Base

Q. In the reaction  SnCl4 + 2Cl− → SnCl62-  identify the Lewis Acid. 1. Cl− 2. SnCl4 3. SnCl62-

Solved • Sep 21, 2016

Lewis Acid and Base

Q. Which of the following is a Lewis acid?A) BBr3B) CCl4C) NH3D) CHBr3E) None of the above are Lewis acids.

Solved • Feb 24, 2016

Lewis Acid and Base

Q. Which of the following characteristics is/are  potential identifiers of a Lewis acid? I.  Unfilled octet  II. Double bond present  III. Compound...

Solved • Feb 22, 2016

Lewis Acid and Base

Q. What is the most accurate and complete description of a Lewis Acid? A. proton donor B. proton acceptor C. electron donor D. electron acceptor

Solved • Feb 21, 2016

Lewis Acid and Base

Q. Which of the following can be a potential Lewis base? a. Ca +2 b. CH4 c. H + d. NH3 e. H3O +

Solved • Feb 21, 2016

Lewis Acid and Base

Q. Which of the following is the definition of a base in the Lewis system? a. A base is a substance that can accept an H + ion. b. A base is a subst...

Solved • Feb 21, 2016

Lewis Acid and Base

Q. All are potential Lewis bases except:   A. Ammonia B. Water C. Methane (CH4) D. Cyanide ion (CN-)

Solved • Feb 2, 2016

Lewis Acid and Base

Q. All are examples of Lewis acid-base reactions except: A. Cu2+(aq) + 4NH3(aq)   ⇌   [Cu(NH3)4] 2+(aq) B. HCl(aq) + NH3(aq)   ⇌   NH4Cl(aq) C. H+ ...

Solved • Feb 2, 2016