Mercury ions, Hg(1) and Hg(II), are poisonous due to their ability to displace other metal ions inenzymes and disrupt the biological function.a) Are these ions hard or soft?b) Common ligands for metal ions in biological environments are amino acids (buildingblocks of proteins). Of the amino acids depicted below (focus on the highlighted atoms),which would be the best ligand for Hg(1) and Hg(II), and why?HHHO H3NtCH2HHH3N* -cCH2H3Nt C-cCH2H3NtCH2H3N+-C-cCHCH2HO CH3OHSHонH2NH2NSerine (S)SerThreonine (T)ThrCysteineСysTyrosine (Y) Asparagine (N) Glutamine (Q)AsnТyrGlnc) Other metal ions that are toxic at certain concentrations include cadmium, chromium,iron, arsenic, and lead. For each of these metals, predict whether they would havesimilar chemistry to mercury using HSAB concepts.(Note that toxicity is dose-dependent; even water can be poisonous at too high aconcentration in the body)

This can be explained using the hard and soft acid-base concept.

Mercury ions, Hg(1) and Hg(II), are poisonous due to their ability to displace other metal ions in enzymes and disrupt the biological function. a) Are these ions hard or soft? b) Common ligands for metal ions in biological environments are amino acids (building blocks of proteins). Of the amino acids depicted below (focus on the highlighted atoms), which would be the best ligand for Hg(1) and Hg(II), and why? H H O H3Nt ÇH2 H3N--c CH2 H H3Nt H3N--c CH2 H3N*. H3Nt CH2 CH CH2 CH2 OH но CH3 SH он H2Ñ H2N Serine (S) Ser Threonine (T) Cysteine (C) Cys Tyrosine (Y) Asparagine (N) Glutamine (Q) Asn Thr Тyr Gln c) Other metal ions that are toxic at certain concentrations include cadmium, chromium, iron, arsenic, and lead. For each of these metals, predict whether they would have similar chemistry to mercury using HSAB concepts.- (Note that toxicity is dose-dependent; even water can be poisonous at too high a concentration in the body)

Mercury ions, Hg(1) and Hg(II), are poisonous due to their ability to displace other metal ions in enzymes and disrupt the biological function. a) Are these ions hard or soft? b) Common ligands for metal ions in biological environments are amino acids (building blocks of proteins). Of the amino acids depicted below (focus on the highlighted atoms), which would be the best ligand for Hg(1) and Hg(II), and why? H H O H3Nt ÇH2 H3N--c CH2 H H3Nt H3N--c CH2 H3N*. H3Nt CH2 CH CH2 CH2 OH но CH3 SH он H2Ñ H2N Serine (S) Ser Threonine (T) Cysteine (C) Cys Tyrosine (Y) Asparagine (N) Glutamine (Q) Asn Thr Тyr Gln c) Other metal ions that are toxic at certain concentrations include cadmium, chromium, iron, arsenic, and lead. For each of these metals, predict whether they would have similar chemistry to mercury using HSAB concepts.- (Note that toxicity is dose-dependent; even water can be poisonous at too high a concentration in the body)

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

Pt(II) can occur in the complex ion [PtCl4]2¯. a. Using CFT, draw the d-electron configuration for this ion. Is the ion paramagnetic or diamagnetic?
6. Ammonia, NH3, is a stronger ligand than Cl- but weaker than CN. Complete the balanced equations for the reactions that are predicted to occur. CoCl(aq) + CN- (aq) → Co(NH3)³+ (aq) + Cl(aq) → Co(CN)6³(aq) + NH3(aq) →→→
Fe(H2O)62+ _______ compared to Ru(CO)62+. a) is more diamagnetic b) is going to absorb higher energy light c) going to emit higher energy light d) has a larger splitting energy
Three bottles of aqueous solutions are discovered in an abandoned lab. The solutions are green, yellow, and purple. It is known that three complex ions of chromium (III) were commonly used in the lab: [??(?2?)6]+3, [??(??3)6]+3, and [??(?2?)4??2]+. Determine the likely identity of each of the colored solutions
Write electron configurations for each of the following. a. Cr, Cr2+, Cr3+ b. Cu, Cu*, Cu2+ c. V, V2+, V3+
bot 3. Iron(II) ion (Fe°*) reacts with thiocyanate ion (SCN¯) to form a red complex ion with the formula [FESCN]2+. The net ionic equation describing this reaction is given in Equation 10. eH MC () Fe+ (aq, It. yellow) + SCN (aq, colorless)=[FESCN]²+ (aq, red) 12+ (Eq. 10) A student studying this equilibrium begins with an equilibrium mixture that is light pink. (1) What change will the student observe when a solution containing Fe³+ ion is added to this mixture?
The ligand bpy forms complexes with Ru³+ and Ru²+. The standard potential of the couple is +1.26 V. Does bpy bind preferentially to Ru³+ or Ru²+? Why? [Ru(bpy)3]³+/[Ru(bpy)3]²+ 3+
The solid anhydrous solid CoCl2 is blue in color. Because it readily absorbs water from the air, it is used as a humidity indicator to monitor if equipment (such as a cell phone) has been exposed to excessive levels of moisture.Predict what product is formed by this reaction, and how many unpaired electrons this complex will have.
Denticity Denticity is the number of atoms in a ligand that bind to a central atom in a coordination complex. H H For example, ethylene diamine (shown on the right) has two nitrogen atoms with lone pairs that can both bind to a metal. This ligand is bidentate. N: Identify the number of atoms in each ligand that can donate a lone pair. N: O monodentate O not a ligand O bidentate O bidentate O not a ligand O monodentate CH3 O bidentate O not a ligand O monodentate OH O bidentate O monodentate O not a ligand
Consider this metal complex: Br Br Cl C1 8 \. Br Complex A Now decide whether each complex in the table below is another example of A, an isomer of A, or an entirely different chemical compound. Complex Br Br Br Br 8 J J J Cl Br 8 8 V C1 Br 8 Cl Br 5 J 2 Br 3- This complex is ... O the same as A ... an isomer of A ... a different compound. ...the same as A O an isomer of A ... a different compound. O ... the same as A ...an isomer of A O a different compound. O ... the same as A O ... an isomer of A ... a different compound. M
Solid Mg2B205 contains the "pyroborate" anion. Draw the structure for this ion. What are other isoelectronic species? asap please.
How do I find the electronic configuration of an unknown transition metal? For instance I am given [M(H2O)6]+2, where M is the unknown first row transition metal with a magnetic moment of 2.83. I know it's oxidation state is 2+