Classification, Isomerism
& Laboratory Tests in
Organic Chemistry
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Updated 2026 Questions and Answers
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, What is the general formula for CₙH₂ₙ₊₂.
alkanes?
What type of bond do alkenes Double bonds (C=C).
contain?
What is the hybridization of alkenes? sp².
What is the general formula for CₙH₂ₙ₋₂.
alkynes?
What type of bond do alkynes Triple bonds (C≡C).
contain?
What is the hybridization of alkynes? sp.
What type of molecular geometry Tetrahedral with bond angles of approximately
does sp³ hybridization have? 109.5°.
What is the molecular geometry of Trigonal Planar with bond angles of approximately
sp² hybridized compounds? 120°.
What is the molecular geometry of sp Linear with bond angles of 180°.
hybridized compounds?
What are constitutional isomers? Isomers with different atom-to-atom connectivity.