Problem 113
Why is the molecular structure of \(\mathrm{H}_{2} \mathrm{O}\) nonlinear, whereas that of \(\mathrm{BeF}_{2}\) is linear, even though both molecules consist of three atoms?
Problem 114
For the indicated atom in each of the following molecules, give the number and the arrangement of the electron pairs around that atom. a. \(\mathrm{C}\) in \(\mathrm{CCl}_{4}\) b. Ge in \(\mathrm{GeH}_{4}\) c. \(\mathrm{B}\) in \(\mathrm{BF}_{3}\)
Problem 115
Using the VSEPR theory, predict the molecular structure of each of the following molecules. a. \(\mathrm{Cl}_{2} \mathrm{O}\) b. \(\mathrm{OF}_{2}\) c. \(\mathrm{SiCl}_{4}\)
Problem 116
Using the VSEPR theory, predict the molecular structure of each of the following polyatomic ions. a. chlorate ion b. chlorite ion c. perchlorate ion
Problem 117
For each of the following molecules, indicate the bond angle expected between the central atom and any two adjacent chlorine atoms. a. \(\mathrm{Cl}_{2} \mathrm{O}\) b. \(\mathrm{CCl}_{4}\) c. \(\mathrm{BeCl}_{2}\) d. \(\mathrm{BCl}_{3}\)
Problem 118
Using the VSEPR theory, predict the molecular structure of each of the following molecules or ions containing multiple bonds. a. \(\mathrm{SO}_{2}\) b. \(\mathrm{SO}_{3}\) c. \(\mathrm{HCO}_{3}^{-}\) (hydrogen is bonded to oxygen) d. HCN
Problem 119
Using the VSEPR theory, predict the molecular structure of each of the following molecules or ions containing multiple bonds. a. \(\mathrm{CO}_{3}^{2-}\) b. \(\mathrm{HNO}_{3}\) (hydrogen is bonded to oxygen) c. \(\mathrm{NO}_{2}^{-}\) d. \(\mathrm{C}_{2} \mathrm{H}_{2}\)
Problem 120
Explain briefly how substances with ionic bonding differ in properties from substances with covalent bonding.
Problem 121
Explain the difference between a covalent bond formed between two atoms of the same element and a covalent bond formed between atoms of two different elements.
