COMPREHENSIVE EXAM 2026 QUESTIONS
WITH SOLUTIONS GRADED A+
◉ Trigonal Planar molecular shape is ____ degrees. Answer: 120
◉ Trigonal Pyramidal molecular shape is ____ degrees. Answer: 107.5
◉ Tetrahedral molecular shape is ____ degrees. Answer: 109.5
◉ ______ is the superglue of the chemical world. Answer: Carbon
◉ How many valence electrons does Carbon have. How many bonds
does it form. Answer: 4 valence e
4 bonds
◉ What functional group forms straight chain compounds with only
carbon and hydrogen atoms?. Answer: Alkanes
◉ Example of chemical formula. Answer: C4H10
, ◉ Example of condensed formula. Answer: CH3CH2CH2CH3
◉ Structured or Kekule formula. Answer:
◉ Line bond formula. Answer:
◉ Alkene Functional group. Answer: C double bond to C
◉ Alkyne functional group. Answer: C triple bond to C
◉ Alcohol functional group. Answer: OH
◉ Aldehyde functional group. Answer: C, O, H
◉ Amine Functional group. Answer: N
◉ Amide functional group. Answer: C, O, N
◉ Aromatic (Benzene) functional group. Answer:
◉ Carboxylic Acid Functional Group. Answer: C, O, OH