Which of the following statements is TRUE?1. Fe2+ form a 1:6 complex with 1,10-phenanthrolineII. The iron (II)-phenanthroline complex displays an intense orange-colored solution.III. The formation constant of Fe2+ is higher than Fe³+ with 0-phenantIV. 1,10-phenanthroline is a heterocyclic compound containing three nitrogen atoms.(A) I and IIIB II and IIIC) I and IIII and IV onlycomplexing agent.

in order to answer this question first of all please look at the structure of 1,10 - phenanthroline…

Which of the following statements is TRUE? 1. Fe2+ form a 1:6 complex with 1,10-phenanthroline II. The iron (II)-phenanthroline complex displays an intense orange-colored solution. III. The formation constant of Fe²+ is higher than Fe³+ with 1,10-phenanthroline complexing agent. IV. 1,10-phenanthroline is a heterocyclic compound containing three nitrogen atoms. A) I and III B) II and III I and II D) II and IV only

Which of the following statements is TRUE? 1. Fe2+ form a 1:6 complex with 1,10-phenanthroline II. The iron (II)-phenanthroline complex displays an intense orange-colored solution. III. The formation constant of Fe²+ is higher than Fe³+ with 1,10-phenanthroline complexing agent. IV. 1,10-phenanthroline is a heterocyclic compound containing three nitrogen atoms. A) I and III B) II and III I and II D) II and IV only

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

Similar questions

The complex formed between Cu(I) and 1,10- phenanthroline has a molar absorptivity of 7000 L cm-1 mol-1 at 435 nm, the wavelength of maximum absorption. What is the the absorbance of a 6.17 x 10-5 M solution of the complex when measured in a 1.00-cm cell at 435 nm.
Calculate the formation constant of the Ni(CN)4* complex at 25°C. 2+ (Hint: Use your Eo tables). 1.4 x 10-39 3.4 x 10-38 O 2.9 x 1037 O 1.1 x 10-22 O 9.1 x 1021 O 3.3 x 1016
11. a) Explain why a solution of Sc(H₂O)6³+ is colorless while a solution of Ti(H₂O)6³+ is colorful? In your explanation include what causes the solution to be colorful and illustrate what is occurring in the complex ion in the solution to make it colorful. b) If the solution of Ti(H₂O)6³¹+ is a purple, draw a reasonable absorbance spectrum. Clearly label each axis and Amax in the spectrum.
Which of the following statements about 10Dq is false? A. In the [CoX(NH3)5]n+ complex, the color changes from dark violet to yellow when X is replaced by I-, Br-, Cl-, H2O, and NH3, respectively.B. [VCl6]2- has a greater 10Dq than [VCl4] complex.C. [MnF6]2- has a higher 10Dq value than [TcF6]2-.D. [V(H2O)6]3+ has a higher 10Dq value than [V(H2O)6]2+.
In which of the following is the correct designation for the [{Co (NH3) 5} 2 (µ-OH)] 5+ complex in the Ewen-Basset system? A. bis-μ-hydroxopentaamnincbaltate (-1) B. μ-hydro-pentaaminkobalt (+3) C. μ-hydroxo- (pentaaminkobaltate (-5)) D. bis-μ-hydrohexaamnincbaltate (III) E. μ-hydroxo-bis (pentaaminkobalt (+5))
Question 5 Name the following complex: [Niſen)2(F)(NO2)][PtCla(py)] Mind your spelling and don't use capital letters. Spacing is necessary to separate cationic and anionic components, but should not be used anywhere else. Question 6 Name the following complex: (Fe(18C6)][Cu(EDTA)) Mind your spelling and don't use capital letters. Spacing is necessary to separate cationic and anionic components, but should not be used anywhere else.
H3N NH3 H3N NH3 The type of isomerization in the following complex is 3+ 3- 3+ 3- NH3 CN NC CN Cr NC CN ČN NH3 H3N. NH3 Co NH3 H3N NH3 CN NC CN Co. NC CN CN H3N. NH3 Cr. H3N NH3 NH3 [Co(NH3),[Cr(CN),] [Cr(NH3)6[Co(CN) Ionization isomerization.a O Optical isomerization b O Ligand isomerization.cO coordination Isomerization d C
Silver and ammonia may react to form Ag(NH₃)₂⁺ complex (Kf = 1.66 x 107). A 500 mL of 0.20mol Ag⁺ and 500 mL of 0.80 mol NH₃ are mixed together.a. Write the complexation reaction.b. Write the formation constant expression.c. What is the concentration of the complex at equilibrium?d. What is the concentration of the metal at equilibrium?
Answer True or False 1. The complex (RHCIP Ph) NH is an organic physical compound. 2- Compound, BMe is unstable towards water, organic compound 4 is formed. The only way to prepare KRIN RM} X reagents is through circulation of organic halides with magnesium metal in a solvent. The chemical activity of sodium stilide is greater than that of lysodium 6-the carbon atom in the MC bond is electrophilic. 2 9:23 A
Which of the following is an optical isomer of the complex shown below? Br H3N NH3 NH3 Select one: Br NH, H,N "NH, Ob. H,N *NH, NH, H,N "NH, Br NH, d. H,N Br NH, O e. All of these are optical isomers.
Which one of the following complexes is responsible for the blue color obtained in the reaction between iodate ions and sulfite ions using a starch indicator in an acidic medium? Starch-lodate complex lodate - Sulfite complex Starch-Sulfite complex Starch - lodine complex
Answer: 4. Ciprium (Ci) is an imaginary transition metal. The acide ion (A-) is a monodentate ligand and the exate ion (X2042-) is a bidentate ligand. Write the name and formula for each complex ion. a. The octahedral complex formed between ciprium and exate that has a charge of-4. b. The linear complex formed between ciprium and acide that has a charge of +1.