ECAT Chemistry — Fundamentals of Organic Chemistry
Fundamentals of Organic Chemistry is part of the Chemistry section of the UET ECAT (30 of the 100 MCQs). It breaks into 3 subtopics, and we hold 15 ECAT-pattern practice MCQs on it, each with a written explanation. Tap a subtopic below to practise just that.
Subtopics (3)
How Fundamentals of Organic Chemistry is tested
Across the 7 ECAT past papers on ParhaiKrlo, Fundamentals of Organic Chemistry accounts for 2 questions. It appears in 2 of them, about 1 questions a paper. The heaviest was ECAT Past Paper 05, with 1 question.
| Paper | Questions |
|---|---|
| ECAT Past Paper 05 | 1 |
| ECAT Past Paper 02 | 1 |
Fundamentals of Organic Chemistry MCQs from the ECAT past papers
Try each one before opening the answer. Each comes with a short explanation.
- Q1 · ECAT Past Paper 05 · Fundamentals of Organic Chemistry
How many isomers are possible for C₂H₂Cl₂?
- A.1
- B.2
- C.3
- D.4
Show answer
Answer: C. 3 — 1,1-dichloroethene, cis-1,2-dichloroethene and trans-1,2-dichloroethene: 3 isomers.
- Q2 · ECAT Past Paper 02 · Fundamentals of Organic Chemistry
The mode of hybridization of carbon in alkanes is:
- A.sp²
- B.sp
- C.sp³
- D.sp⁴
Show answer
Answer: C. sp³ — Each carbon in an alkane forms four σ bonds using four sp³ hybrid orbitals (tetrahedral, 109.5°).