OCH - Chapter 12 Questions with complete solution 2025/2026

OCH - Chapter 12 Questions with complete solution
2025/2026
reduction
adding hydrogen or removing
oxidation
oxygen removing hydrogen or
oxidation and
electron adding oxygen
density oxidation decreases electron
density on carbon
reduction increases electron density on carbon
4. reduction
and electron
density primary alcohol

5. aldehyde
reduc- tion secondary alcohol
product

6. ketone
reduction
product

7. NaBH4 Use commonly used to reduce aldehydes and ketones to their
corresponding alcohols; usually one step reactions

8. carboxylic primary alcohol
acid
reduction
prod- uct
primary alcohol and R'OH
9. ester
reduction
product

10. LiAlH4 Use stronger reducing agent; reduces aldehydes, ketones, carboxylic
acids, and ester to alcohols; usually 2 step reactions

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