91Ó°ÊÓ

What are likely formulas for the following molecules?

(a) NH_?OH (b) AlCl_?(c) CF₂Cl(d)CHO_?

(b)

What are likely formulas for the following molecules?

(a) $N{H}_{?}OH$ (b) $AlC{l}_{?}$(c) $C{F}_{2}C{l}_{?}$(d)$CH{O}_{?}$

Why can’t molecules with the following formulas exist

a) $C{H}_5$ (b) $C_2{H}_{6}N$(c)$C_2{H}_{5}Br$

Why can’t molecules with the following formulas exist

a) $C{H}_5$ (b)$C_2{H}_{6}N$(c)$C_3{H}_{5}Br$

Why can’t molecules with the following formulas exist

a) $C{H}_5$ (b) $C_2{H}_{5}N$ (c)$C_3{H}_{5}B{r}_2$

Draw an electron-dot structure for acetonitrile,, which contains a carbon-nitrogen triple bond. How many electrons does the nitrogen atom have in its outer shell? How many are bonding, and how many are nonbonding?

Draw a line-bond structure for vinyl chloride,C₂H₃Cl, the starting material from which PVC [poly(vinyl chloride)] plastic is made

Fill in any nonbonding valence electrons that are missing from the following structures

(a)

Dimethyl sulfide

(b)

Acetamide

(c)

Acetate ion

Convert the following line-bond structures into molecular formulas

(a)

Aspirin (acetyl salicylic acid)

(b)

Vitamin C (ascorbic acid)

(c)

Nicotine

(d)

Glucose

Following is a molecular model of aspirin (acetylsalicylic acid). Identify the hybridization of the orbitals on each carbon atom in aspirin, and tell which atoms have lone pairs of electrons (gray 5 C, pink 5 O, ivory 5 H).

Aspirin (acetylsalicylic acid)