Instructions: Cover the right column and fill in the blanks from memory.
| Incomplete Statement | Answer |
|---|---|
| The bond angle in sp2 hybridized compounds is _______. | 120 degrees |
| The most stable carbocation among primary, secondary, and tertiary is _______. | Tertiary (3°) |
| The most stable carbanion among CH3-, (CH3)2CH-, and (CH3)3C- is _______. | CH3- |
| Hyperconjugation involves sigma electrons of _______ bonds. | C-H |
| The -M effect is shown by _______ and _______ groups. | -NO2, -CHO (also -COOH, -CN, -COR) |
| The +M effect is shown by _______ and _______ groups. | -OH, -NH2 (also -OR, -NHR) |
| For E/Z isomerism, both sp2 carbons must each carry _______ groups. | Two different |
| The IUPAC suffix for a ketone is _______. | -one |
| A meso compound is optically _______ despite having chiral centers. | Inactive |
| The percentage s-character in sp hybridization is _______. | 50% |
| Homolytic fission produces two _______. | Free radicals |
| Heterolytic fission produces a _______ and an _______. | Carbocation (or cation); anion |
| The -I order of halogens (decreasing) is _______. | F > Cl > Br > I |
| In IUPAC naming, the _______ functional group always gets the lowest locant. | Principal (highest-priority) |
| The number of hyperconjugative structures for (CH3)3C+ is _______. | 9 |
| Free radical stability order is _______ > _______ > _______ > _______. | 3° > 2° > 1° > CH3• |
| The formula for maximum stereoisomers is _______. | 2n (where n = number of chiral centers) |
In CO2 (SMILES: O=C=O), carbon hybridization is _______. | sp |
| The IUPAC name of CH3CH2COOH is _______. | Propanoic acid |
| The type of isomerism between diethyl ether and methyl propyl ether is _______. | Metamerism |