Physical Chemistry
Some Basic Concepts of Chemistry
MCQ (Single Correct Answer)
Chemical Equilibrium
MCQ (Single Correct Answer)
Inorganic Chemistry
Periodic Table and Periodicity
MCQ (Single Correct Answer)
Chemical Bonding and Molecular Structure
MCQ (Single Correct Answer)
Hydrogen and It's Compounds
MCQ (Single Correct Answer)
d and f Block Elements
MCQ (Single Correct Answer)
Coordination Compounds
MCQ (Single Correct Answer)
Environmental Chemistry
MCQ (Single Correct Answer)
Organic Chemistry
IUPAC Nomenclatures
MCQ (Single Correct Answer)
General Organic Chemistry
MCQ (Single Correct Answer)
Haloalkanes and Haloarenes
MCQ (Single Correct Answer)
Alcohol, Phenols and Ethers
MCQ (Single Correct Answer)
Aldehyde and Ketone
MCQ (Single Correct Answer)
Carboxylic Acids and Its Derivatives
MCQ (Single Correct Answer)
Compounds Containing Nitrogen
MCQ (Single Correct Answer)
Chemistry in Everyday Life
MCQ (Single Correct Answer)
Practical Organic Chemistry
MCQ (Single Correct Answer)
1
COMEDK 2024 Afternoon Shift
MCQ (Single Correct Answer)
+1
-0

Consider the following reaction

$$(\mathrm{CH}_3)_2 \mathrm{CHCH}_2 \mathrm{Br}+(\mathrm{CH}_3)_3 \mathrm{CCH}_2 \mathrm{Br} \xrightarrow[\Delta]{\mathrm{Na} \text { /dry ether }} \mathrm{X}+\mathrm{Y}+\mathrm{Z}$$

Identify the product which is not formed?

A
2, 2, 5-trimethylhexane
B
2, 2, 4, 4-tetramethylhexane
C
2, 2, 5, 5-tetramethylhexane
D
2, 5-dimethylhexane
2
COMEDK 2024 Afternoon Shift
MCQ (Single Correct Answer)
+1
-0

The major product obtained in the following reaction is :

COMEDK 2024 Afternoon Shift Chemistry - Haloalkanes and Haloarenes Question 6 English

A
COMEDK 2024 Afternoon Shift Chemistry - Haloalkanes and Haloarenes Question 6 English Option 1
B
COMEDK 2024 Afternoon Shift Chemistry - Haloalkanes and Haloarenes Question 6 English Option 2
C
COMEDK 2024 Afternoon Shift Chemistry - Haloalkanes and Haloarenes Question 6 English Option 3
D
COMEDK 2024 Afternoon Shift Chemistry - Haloalkanes and Haloarenes Question 6 English Option 4
3
COMEDK 2024 Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which one of the following compounds when reacted with $$\mathrm{NaOH}$$ (aq) undergoes Substitution Nucleophilic Bimolecular reaction with retention of configuration?

A
COMEDK 2024 Morning Shift Chemistry - Haloalkanes and Haloarenes Question 11 English Option 1
B
COMEDK 2024 Morning Shift Chemistry - Haloalkanes and Haloarenes Question 11 English Option 2
C
COMEDK 2024 Morning Shift Chemistry - Haloalkanes and Haloarenes Question 11 English Option 3
D
COMEDK 2024 Morning Shift Chemistry - Haloalkanes and Haloarenes Question 11 English Option 4
4
COMEDK 2023 Morning Shift
MCQ (Single Correct Answer)
+1
-0

$$t$$-butyl chloride preferably undergo hydrolysis by

A
$$\mathrm{S}_{\mathrm{N}} 1$$ mechanism
B
$$\mathrm{S}_{\mathrm{N}} 2$$ mechanism
C
any of (a) and (b)
D
None of the above
COMEDK Subjects