(1) BH3 = covalent bond
NaF = ionic bond
(2) CuO = ionic bond (Cu2+ and O2- )
RbCl = ionic bond (Rb+ and Cl- )
(3) PCl5 = covalent bond
KI = ionic bond
(4) BaS = ionic bond
N2O = covalent bond
CuO and RbCl both the species have ionic bond , so option (B) is correct answer
In which of the following pairs do you expect both species to form ionic bonds? BH3...
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
Which of the following is a characteristic shared by both metallic and ionic bonds? They form network solid materials. The charge carriers are free to move in the solid-state. The electrons are localized around individual atoms. The energy levels are widely spaced.
11. which of the following pairs of species is a conjugate acid-base pair? a. NaF, F b. NHs, NH c. H30+, ОН- d. H2CO3, CO32 8. which of the following salts is most likely to form an aqueous solution having the pH <7? a. NaBr b. LiNO3 c. NH4CI d. RbCN 2. which of the following pairs of species is not a conjugate acid-base pair? a. OH, H b. HOCI, OCh c. HSO4,SO42 d. H2CO3, HCO3 11. which of the...
4. 5. In which pair do both compounds exhibit predominantly ionic bonding? a. KI and O3 b NaF and HO c. PCls and HF d. Na SO, and CH e. RbBr and Cao TO 6. What is the bond angle in a trigonal planar molecule or ion? a. 109° b 180 c. 90° d. 72o e. 120° 6.
Intermolecular Hydrogen Bonding For which molecule in each of the following pairs would you expect hydrogen bonding, in a sample of the pure substance, to be more significant as a contributing factor to the attractive intermolecular interactions? PH3 NH3 CH3CO2H CH3CHO CH3CO2H (CO2H)2 B(OH)3 BH3
Which member of the following pairs would you expect to have a higher boiling point? (a) N2 or F2, ?(b) SO2 or CO2, (c) HF or HBr, ?(d) Ar or Xe, (e) CO2 or CS2, ?(f) CCl4 or CH4, (g) Cl2 or LiCl, ?(h) NH3 or PH3, ?(i) BH3 or NH3,?(j) F2 or I2?
Part A (2 marks) In the following pairs of complexes, which do you expect to have a larger ligand field splitting parameter Ao? Why? Explain? i) [Fe(NH3)612+ or [Fe(NH3). 13+ ii) (Co(CN)613- or [Rh(CN)613- Part B (3 maks) In the following pairs of complexes, which do you expect to be more labile? Why? Explain? ) [Cr(NH3)613+ or [Mn(NH3)6]3+ ii) (Co(CN)613- or [Rh(CN)613- ii) [Cr(NH3).]3+ or [V(NH3).]2+
Which of the following pairs of elements will likely form an ionic compound? Why yes or not? a. H and Cl b. K and Br c. B and F d. C and O
roblem 9.2 Part A Which of the following pairs of substances would you expect to form solutions? Check all that apply. CCl, and water Benzene (CH) and MgSO, Hexane (CH 4) and heptane (C7H16) Ethyl alcohol (C,H,OH) and heptanol (C,H,OH) Submit Request Answer Provide Feedback
Part A Which of the following pairs of elements are likely to form an ionic compound? Check all that apply. sulfur and bromine O copper and chlorine potassium and oxygen zinc and magnesium nitrogen and phosphorus vanadium and neon Submit Request Answer