22. Which of the following choices is/are ionic oxides? a. SrO b. SiO2 c. SO2 A)...
22. Which of the following choices is/are ionic oxides?
a. SrO
b. SiO2
c. SO2
A) I only B) II only C) III only D) I and II E) II and III
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22. Which of the following choices is/are ionic oxides?
a. SrO
b. SiO2
c. SO2
A)...
6. Consider the oxides: SO2 and SrO (a) One is a basic oxide the other is...
6. Consider the oxides: SO2 and SrO (a) One is a basic oxide the other is an acidic oxide. Which is which? (b) Below, for each of these oxides, two balanced equations are written. In each case, ONLY ONE EQUATION IS CORRECT. Select the correct equation for each oxide (Circle i or ii). (i) SO2 + 2 H20 s(OH) S(OH)s(a) + OH -(aq) (ii) SO2 + H20 > SO(O)2> SO2(OH) H*(aq) i) SrO+ H2O >Sr(OH)2Sr (aq) 2 OH (aq) (ii)...
1) Determine all of the ionic compounds from the compounds listed below. I. CaH2 II. H2S...
1) Determine all of the ionic compounds from the compounds listed below. I. CaH2 II. H2S III. SiH4 2) A chemical formula of the carbide ion is A. Si4– B. C2– C. C22– D. CN– E. C3– 3)Which of these reactions is an example of nitrogen fixation? A. 2N2O 2N2 + O2 B. NH3 + H2O NH4+ + OH– C. N2 + O2 2NO D. 2NO2 + H2O HNO2 + HNO3 E. 2NO + O2 2NO2 4)When phosphate rock, Ca3(PO4)2(s), is...
11. Which one of these elements is not a gas at room temperature? A. chlorine B....
11. Which one of these elements is not a gas at room temperature? A. chlorine B. fluorine C. nitrogen D. oxygen E. sulfur 22. Determine all of the ionic compounds from the compounds listed below. I. CaH2 II. H2S III. SiH4 A. I only B. II only C. I and II D. I and III E. II and III 32. Based on the following options, select the substance with hydrogen in the +1 oxidation state. A. KH B. CH4 C....
Which group of elements includes the most reactive of all the metallic elements? alkali metals alkaline...
Which group of elements includes the most reactive of all the metallic elements? alkali metals alkaline earth metals coinage metals (Group 1B) transition metals Group 2B metals Determine all of the covalent hydrides from the compounds listed below. CaH2 H2S SiH4 I only II only I and II I and III II and III Based on the following options, select the substance with hydrogen in the +1 oxidation state. KH CH4 H2 AlH3 SrH2 Which of these substances is being...
37. Which of the following substances has bonding best described as ionic bonding? A) SiO2 B)...
37. Which of the following substances has bonding best described as ionic bonding? A) SiO2 B) NO2 C) S02 D) CO2 E) A1203 38. Which of the following compounds is likely to occur as a liquid at room temperature? A) CaF2 B) Mgo C) C3H12 D) FeCl3 E) LiF --* 39. Which of the following compounds is likely to occur as a solid at room temperature? A) CH4 B) SO2 C) N2 D) FeCl3 E) H20
123. Which of the following statements is/are true? I. Because ionic forces are so much stronger...
123. Which of the following statements is/are true? I. Because ionic forces are so much stronger than hydrogen bonds, no ionic compound will be soluble in ethanol (CH3CH2OH) II. Making of any solution in which a solid is dissolved in a liquid will always have a positive entropy. III. the heats of hydration of ions increase (become more exothermic) as ionic charge increases a. I and II only b. I and III only c. II and III only d. all...
22. Supply a systematic name for each of the following binary ionic compounds. (a) LiBr (b)...
22. Supply a systematic name for each of the following binary ionic compounds. (a) LiBr (b) Srl (c) Na3N (d) AlF3 1 11 26. Provide the formula for each of the following binary ionic compounds. (a) copper(II) sulfide (b) iron(III) phosphide (c) mercury(I) iodide (d) lead(II) oxide 32. Supply a systematic name for each of the following ternary ionic compounds. (a) KClO3 (b) Mg(NO3)2 (c) Ag2SO4 (d) Al2(CrO4)3
7. Which of the following would you expect to have ionic bonds? A) CO B) FBr...
7. Which of the following would you expect to have ionic bonds? A) CO B) FBr C) NF3 D) NaCl 8. Which of the following molecules has nonpolar covalent bonds? A) HCl B) N2 C) CHCl3 D) NO 9. Which of the following molecules contain both covalent and ionic bonds? Naci NH4OH CHзон MgCO3 II IV I A) I, II B) I, IV C) II, III III D) II, IV
c) III d) IV e) None of these choices 1) Which of h llwng would you...
c) III d) IV e) None of these choices 1) Which of h llwng would you espet to be aromaic IV b) II c) III d) IV e) All of these choices 12) Which of the following would you expect to be aromatic? IV non non c) III d) IV e) All of these choices. 13) Which of the following would you expect to be aromatic? IV a) I b) II
Which of the following are examples of homogenous catalysis? i.) SO2 over vanadium (V) oxide ii.)...
Which of the following are examples of homogenous catalysis? i.) SO2 over vanadium (V) oxide ii.) Pd in H2 gas iii.) Pt with methane iv.) KI dissolved in H2O2 v.) CFCs with ozone A. i, ii and iii B. iv and v C. i, iv and v D. ii, iii, and v E. none of the above combinations.
6. Consider the oxides: SO2 and SrO (a) One is a basic oxide the other is an acidic oxide. Which is which? (b) Below, for each of these oxides, two balanced equations are written. In each case, ONLY ONE EQUATION IS CORRECT. Select the correct equation for each oxide (Circle i or ii). (i) SO2 + 2 H20 s(OH) S(OH)s(a) + OH -(aq) (ii) SO2 + H20 > SO(O)2> SO2(OH) H*(aq) i) SrO+ H2O >Sr(OH)2Sr (aq) 2 OH (aq) (ii)...
37. Which of the following substances has bonding best described as ionic bonding? A) SiO2 B) NO2 C) S02 D) CO2 E) A1203 38. Which of the following compounds is likely to occur as a liquid at room temperature? A) CaF2 B) Mgo C) C3H12 D) FeCl3 E) LiF --* 39. Which of the following compounds is likely to occur as a solid at room temperature? A) CH4 B) SO2 C) N2 D) FeCl3 E) H20
123. Which of the following statements is/are true? I. Because ionic forces are so much stronger than hydrogen bonds, no ionic compound will be soluble in ethanol (CH3CH2OH) II. Making of any solution in which a solid is dissolved in a liquid will always have a positive entropy. III. the heats of hydration of ions increase (become more exothermic) as ionic charge increases a. I and II only b. I and III only c. II and III only d. all...
22. Supply a systematic name for each of the following binary ionic compounds. (a) LiBr (b) Srl (c) Na3N (d) AlF3 1 11 26. Provide the formula for each of the following binary ionic compounds. (a) copper(II) sulfide (b) iron(III) phosphide (c) mercury(I) iodide (d) lead(II) oxide 32. Supply a systematic name for each of the following ternary ionic compounds. (a) KClO3 (b) Mg(NO3)2 (c) Ag2SO4 (d) Al2(CrO4)3
7. Which of the following would you expect to have ionic bonds? A) CO B) FBr C) NF3 D) NaCl 8. Which of the following molecules has nonpolar covalent bonds? A) HCl B) N2 C) CHCl3 D) NO 9. Which of the following molecules contain both covalent and ionic bonds? Naci NH4OH CHзон MgCO3 II IV I A) I, II B) I, IV C) II, III III D) II, IV
c) III d) IV e) None of these choices 1) Which of h llwng would you espet to be aromaic IV b) II c) III d) IV e) All of these choices 12) Which of the following would you expect to be aromatic? IV non non c) III d) IV e) All of these choices. 13) Which of the following would you expect to be aromatic? IV a) I b) II
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