Thread by @ScholiaTC

1ST SHIFTING ORGANIC CHEMISTRY REVIEW THREAD 🌞
#PHAsagotngScholia
#STCIlluminate

1. Which molecules contain both covalent and ionic bonds?
I. CH3O
II. Na2CO3
III. NH4Cl
IV. NaCl

2. Arrange the bonds in INCREASING order of ionic character

I. C-C
II. Na-O
III. C-N
IV. O-H

3. Which molecules are polar?

I. NH3
II. CO2
III. H2O
IV. CH4

4. According to VSEPR model, what is your prediction for the arrangement of electron pairs for CH3?

5. Using the VSEPR model, predict which species have bond angles of about 109 degrees.

I. NH3
II. CO2
III. H2O
IV. H3O+
V. O3

6. TRUE OR FALSE: Ionic bonds are characterized by the unequal sharing of electrons

7. TRUE OR FALSE: The group 7A elements react by losing an electrong to achieve a noble gas configuration

8. TRUE OR FALSE: Pentanol is a polar molecule

9. Arrange the ff. in order of INCREASING basicity (weakest to strongest)

I. OH
II. Cl-
III. H2O
IV. NH3

10. List the bonds in order of INCREASING acidity (least to most)

I. C-H
II. O-H
III. F-H
IV. N-H

11. Which acid has the highest pKa?

12. TRUE OR FALSE: Bronsted-Lowry acids accept protons when reacting

13. TRUE OR FALSE: Strong acids have weak conjugate bases

14. TRUE OR FALSE: The stronger acid has the larger (more positive) pKa

15. TRUE OR FALSE: The strongest acid in the ff. is sodium bicarbonate

NH4Cl
NaHCO3
H2O
CH3CH2OH

16. TRUE OR FALSE: The higher concentration (reactants or products) at equilibrium will lie on the side of the stronger acid

17. TRUE OR FALSE: Propanal is a primary alcohol

18. TRUE OR FALSE: Pentane and cyclopentane are constitutional isomers

19. Which pairs of molecules are constitutional isomers? (See picture attached)

For question #19:

20. In the most stable conformation of trans-1,4-dimethylcyclohexane, what positions do the methyl groups occupy?

21. Which compound has the highest boiling point? (See attached picture)

For question #21:

22. Which conformer of pentane is the least stable? (See attached picture)

For question #22:

23. Which cycloalkanes show cis-trans isomerizations? (See attached picture)

For question #23:

24. Which of the ff. molecules are constitutional isomers? (See attached picture)

For question #24:

25. Which is the IUPAC name for the ff. compound? (See attached picture)

For question #25:

CORRECTION: Omit the option roman numeral 5 (V)

1. ANSWER: D

2. ANSWER: C

3. ANSWER: B

4. ANSWER: B

5. ANSWER: A

6. ANSWER: FALSE

7. ANSWER: FALSE

8. ANSWER: TRUE

9. ANSWER: A

10. ANSWER: C

11. ANSWER: B

12. ANSWER: FALSE

13. ANSWER: TRUE

14. ANSWER: FALSE

15. ANSWER: FALSE

16. ANSWER: FALSE

17. ANSWER: FALSE

18. ANSWER: FALSE

19. ANSWER: A

20. ANSWER: C

21. ANSWER: A

22. ANSWER: A

23. ANSWER: D

24. ANSWER: C

25. ANSWER: B