
Concept explainers
(a)
Interpretation: The formulas of the given complex compounds are to be stated.
Concept introduction: Rules followed in the naming of coordination compound:
- Greek prefix is used to express the number of ligands.
- Roman numeral is used to denote the oxidation state of metal ion.
- In case of more than one type of ligand present in a compound, they are named alphabetically.
- The suffix ‘-ate’ is added to metal ion if complex ion contains negative charge. Latin names are also used to identify the name of metals.
- If counter ions are present in complex compound, then cation is named first which is the name of element, whereas anion is named last which is the name of salt.
To determine: The formula of the complex compound potassium tetrachlorocobaltate(II).
(b)
Interpretation: The formulas of the given complex compounds are to be stated.
Concept introduction: Rules followed in the naming of coordination compound:
- Greek prefix is used to express the number of ligands.
- Roman numeral is used to denote the oxidation state of metal ion.
- In case of more than one type of ligand present in a compound, they are named alphabetically.
- The suffix ‘-ate’ is added to metal ion if complex ion contains negative charge. Latin names are also used to identify the name of metals.
- If counter ions are present in complex compound, then cation is named first which is the name of element, whereas anion is named last which is the name of salt.
To determine: The formula of the complex compound aquatricarbonylplatinum(II) bromide.
(c)
Interpretation: The formulas of the given complex compounds are to be stated.
Concept introduction: Rules followed in the naming of coordination compound:
- Greek prefix is used to express the number of ligands.
- Roman numeral is used to denote the oxidation state of metal ion.
- In case of more than one type of ligand present in a compound, they are named alphabetically.
- The suffix ‘-ate’ is added to metal ion if complex ion contains negative charge. Latin names are also used to identify the name of metals.
- If counter ions are present in complex compound, then cation is named first which is the name of element, whereas anion is named last which is the name of salt.
To determine: The formula of the complex compound sodium dicyanobis(oxalato)ferrate(III).
(d)
Interpretation: The formulas of the given complex compounds are to be stated.
Concept introduction: Rules followed in the naming of coordination compound:
- Greek prefix is used to express the number of ligands.
- Roman numeral is used to denote the oxidation state of metal ion.
- In case of more than one type of ligand present in a compound, they are named alphabetically.
- The suffix ‘-ate’ is added to metal ion if complex ion contains negative charge. Latin names are also used to identify the name of metals.
- If counter ions are present in complex compound, then cation is named first which is the name of element, whereas anion is named last which is the name of salt.
To determine: The formula of the complex compound triamminechloroethylenediaminechromium(III) iodide

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Chapter 21 Solutions
Lab Manual For Zumdahl/zumdahl's Chemistry, 9th
- Relative Transmittance 0.995 0.99 0.985 0.98 Please draw the structure that is consistent with all the spectral data below in the box and alphabetically label the equivalent protons in the structure (Ha, Hb, Hc ....) in order to assign all the proton NMR peaks. Label the absorption bands in the IR spectrum indicated by the arrows. INFRARED SPECTRUM 1 0.975 3000 2000 Wavenumber (cm-1) 1000 Structure with assigned H peaks 1 3 180 160 140 120 100 f1 (ppm) 80 60 40 20 0 C-13 NMR note that there are 4 peaks between 120-140ppm Integral values equal the number of equivalent protons 10.0 9.0 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0.0 fl (ppm)arrow_forwardCalculate the pH of 0.0025 M phenol.arrow_forwardIn the following reaction, the OH- acts as which of these? NO2-(aq) + H2O(l) ⇌ OH-(aq) + HNO2(aq)arrow_forward
- Using spectra attached, can the unknown be predicted? Draw the predicition. Please explain and provide steps. Molecular focrmula:C16H13ClOarrow_forwardCalculate the percent ionization for 0.0025 M phenol. Use the assumption to find [H3O+] first. K = 1.0 x 10-10arrow_forwardThe Ka for sodium dihydrogen phosphate is 6.32 x 10-8. Find the pH of a buffer made from 0.15 M H2PO4- and 0.25 M HPO42- .arrow_forward
- The Ka for lactic acid is 1.4 x 10-4. Find the pH of a buffer made from 0.066 M lactic acid and 0.088 M sodium lactate.arrow_forwardZaitsev's Rule 3) (a) Rank the following alkenes in order of decreasing stability. most stable A B C D > > > (b) Rank the following carbocations in order of decreasing stability least stable B C Darrow_forwardCalculate the pH of 0.25 M acetic acid.arrow_forward
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