ORGANIC SYNTHESIS EXAMINATION QUESTIONS AND
CORRECT ANSWER WITH EXPLANATION GRADED A+
STUDY GUIDE SOUTHERN NEW HAMPSHIRE UNIVERSITY
1. Organic synthesis is the study of:
A. Building organic compounds from simpler substances
B. Weather systems
C. Nuclear reactions only
D. Metal extraction only
Answer: A
Rationale: It focuses on constructing organic molecules.
2. Organic chemistry primarily deals with compounds containing:
A. Carbon
B. Iron
C. Sodium
D. Helium
Answer: A
Rationale: Carbon-based compounds.
3. Functional groups are important because they:
A. Determine chemical behavior
B. Determine atomic number
C. Determine nuclear mass
D. Determine color only
Answer: A
Rationale: Reactivity depends on functional groups.
4. A reaction used to build larger molecules is called:
A. Synthesis reaction
B. Decomposition
C. Combustion only
D. Neutralization only
Answer: A
Rationale: Formation of complex molecules.
5. Retrosynthesis means:
A. Breaking target molecule into simpler precursors
, B. Heating compounds
C. Measuring mass
D. Distillation process
Answer: A
Rationale: Reverse design strategy.
6. Synthetic route is:
A. Step-by-step method to produce a compound
B. Random reaction
C. Physical change only
D. Nuclear process
Answer: A
Rationale: Planned synthesis pathway.
7. Yield in synthesis refers to:
A. Amount of product formed
B. Temperature change
C. Pressure change
D. Color change
Answer: A
Rationale: Product quantity.
8. Theoretical yield is:
A. Maximum possible product
B. Actual obtained product
C. Waste product
D. Catalyst amount
Answer: A
Rationale: Ideal prediction.
9. Percentage yield formula is:
A. (Actual/Theoretical) × 100
B. (Theoretical/Actual) × 100
C. Mass × volume
D. Pressure × time
Answer: A
Rationale: Efficiency calculation.
10. Limiting reagent is:
A. Reactant that limits product formation
, B. Excess reactant
C. Product
D. Catalyst
Answer: A
Rationale: Controls yield.
11. Excess reagent is:
A. Leftover reactant
B. Limiting reactant
C. Product
D. Solvent
Answer: A
Rationale: Not fully consumed.
12. Reaction intermediates are:
A. Temporary species in reactions
B. Final products
C. Solvents
D. Catalysts only
Answer: A
Rationale: Short-lived species.
13. Reaction mechanism describes:
A. Step-by-step reaction pathway
B. Final product only
C. Color change
D. Temperature change
Answer: A
Rationale: Detailed pathway.
14. Nucleophile is:
A. Electron-rich species
B. Electron-poor species
C. Neutral gas
D. Metal only
Answer: A
Rationale: Electron donor.
15. Electrophile is:
A. Electron-deficient species
CORRECT ANSWER WITH EXPLANATION GRADED A+
STUDY GUIDE SOUTHERN NEW HAMPSHIRE UNIVERSITY
1. Organic synthesis is the study of:
A. Building organic compounds from simpler substances
B. Weather systems
C. Nuclear reactions only
D. Metal extraction only
Answer: A
Rationale: It focuses on constructing organic molecules.
2. Organic chemistry primarily deals with compounds containing:
A. Carbon
B. Iron
C. Sodium
D. Helium
Answer: A
Rationale: Carbon-based compounds.
3. Functional groups are important because they:
A. Determine chemical behavior
B. Determine atomic number
C. Determine nuclear mass
D. Determine color only
Answer: A
Rationale: Reactivity depends on functional groups.
4. A reaction used to build larger molecules is called:
A. Synthesis reaction
B. Decomposition
C. Combustion only
D. Neutralization only
Answer: A
Rationale: Formation of complex molecules.
5. Retrosynthesis means:
A. Breaking target molecule into simpler precursors
, B. Heating compounds
C. Measuring mass
D. Distillation process
Answer: A
Rationale: Reverse design strategy.
6. Synthetic route is:
A. Step-by-step method to produce a compound
B. Random reaction
C. Physical change only
D. Nuclear process
Answer: A
Rationale: Planned synthesis pathway.
7. Yield in synthesis refers to:
A. Amount of product formed
B. Temperature change
C. Pressure change
D. Color change
Answer: A
Rationale: Product quantity.
8. Theoretical yield is:
A. Maximum possible product
B. Actual obtained product
C. Waste product
D. Catalyst amount
Answer: A
Rationale: Ideal prediction.
9. Percentage yield formula is:
A. (Actual/Theoretical) × 100
B. (Theoretical/Actual) × 100
C. Mass × volume
D. Pressure × time
Answer: A
Rationale: Efficiency calculation.
10. Limiting reagent is:
A. Reactant that limits product formation
, B. Excess reactant
C. Product
D. Catalyst
Answer: A
Rationale: Controls yield.
11. Excess reagent is:
A. Leftover reactant
B. Limiting reactant
C. Product
D. Solvent
Answer: A
Rationale: Not fully consumed.
12. Reaction intermediates are:
A. Temporary species in reactions
B. Final products
C. Solvents
D. Catalysts only
Answer: A
Rationale: Short-lived species.
13. Reaction mechanism describes:
A. Step-by-step reaction pathway
B. Final product only
C. Color change
D. Temperature change
Answer: A
Rationale: Detailed pathway.
14. Nucleophile is:
A. Electron-rich species
B. Electron-poor species
C. Neutral gas
D. Metal only
Answer: A
Rationale: Electron donor.
15. Electrophile is:
A. Electron-deficient species
