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Which of the following are polyatomic ions Answers A-D A (NO₃)- B. OH C Na +...
18. Identify the oxidation numbers of the atoms in the following polyatomic ions or compounds: · A. H2PO4 H +1 D is B. S2O32- 2-2 X 3 C. NO2 D. MnO4 E. BrO3- F. Cr2O72-
Question 5 of 15 > A A scientist is investigating the solubility of two polyatomic ions, oxalate (CO) and arsenate (Aso ), which are not listed in the table of solubility guidelines. The scientist starts with four solutions made of water-soluble salts. Solution A contains sodium arsenate. Solution B contains ammonium oxalate. Soution C contains silver chlorate. Solution D contains aluminum bromide. Solution Solute Color of Solution Na Aso, colorless B : (NH),C,0 colorless AgClo, colorless AlBr yellow The results...
Problem 5 What is the average bond order in the following mo lecules or polyatomic ions? a) XeF4 b) BCl c) IF2 d) SO4 e) CO2
Experiment 11 beeaalgnon Part C: For these molecules and polyatomic ions, some of which are from the table in Part A, draw all of their resonance structures following the Lewis structure drawing rules. If you do not have sufficient additional. space, provide other work on a separate page and note where to find your answer(s). NO, SO H2CNO2 OCN (Which resonance structure is "better," and why?)
< 2 of 30 Review | Constants | Periodic Tab Balancing equations with polyatomic ions When balancing chemical equations with polyatomic ions, it may help to balance the ion as a whole. For example, the ion Podca be treated as a unit and balanced in both the reactants and the product, or you can break it down and balance each atom separately Part B Phosphoric acid reacts with magnesium hydroxide to produce magnesium phosphate and water via the following reaction:...
(a) Which of the ions K + , Na + , Be 2+ will have the lar gest heat of hydration? Which the smallest? (b) Of the two compounds K 2 O and CaO, which has the stronger intermolecular forces? (c) Of the two compounds KBr and CH 3 OH, which has the stronger intermolecular forces?
1. Which of the following anions is the best leaving group? A. NH2 B. CI C. CH3 D. OH FH-
7. According to Bronsted-Lowry theory, a base is defined as a a) substance containing OH ions. b) proton donor. c) electron pair donor. d) electron pair acceptor. e) proton acceptor. 8. According to the Lewis theory, a base: a) is a proton acceptor. b) is a proton donor. c) makes available a share in a pair of non-bonding electrons. d) is any compound that contains electron pairs c) accepts a share in a pair of electrons. 9. Predict whether each...
Using molecular models, construct the following molecules/polyatomic ions, and write their Lewis formulas. Record the following information for each in your laboratory notebook. a) Molecule or ion (Formula and IUPAC name) b) Lewis structure c) Draw any resonance structures if applicable d) # of bonding regions (double and triple bonds count as a single region) e) # of nonbonding pairs f) Hybridization of the central atom g) VSEPR designation h) Molecular geometry of the molecule/polyatomic ion, i) Polarity of the...
aqueous NaOH HCCl CCl3 O Na 2. OH HCI но d-SN2 Nucleophilic subst e - Carbonyl nucleophilic addn f= Nucleophilic subs at carbonyl(acyl Xfer) g-Conjugate (nucleophilic) addn a-Electrophilic addition - E2 Elimination C-SNI Nucleophilic subst Identify the mechanism by which each of the reactions above proceeds from among the mechanisms listed. Use the letters a - i for your answers 1. 2. он Na HSO3 SO3 Na O2C citrate synthase COA CH2 CO2 CH2 O CO2 Acetyl coenzyme A Oxaloacetate...