IB myp 4-5 Chemistry – Practice Questions- All Topics
Topic :IUPAC-Alkanes
Topic :IUPAC- Weightage : 21 %
All Questions for Topic : Alkanes,Alkenes,Alcohols,Carboxylic Acid,Esters,Structural Formulas
Question
Draw the structural isomer of butane.
▶️Answer/Explanation
- Isomer: 2-Methylpropane.
- Structure:
- H H H
| | |
H – C – C – C – H
| | |
H CH3 H
Question:
Determine the relationship between the number of carbons and the hydrogens in alkanes: if an alkane has n carbons, how many hydrogens does it have? Write your answer in the form CnH?.
▶️Answer/Explanation
Ans: CnH2n+2