1
COMEDK 2026 Morning Shift
MCQ (Single Correct Answer)
+1
-0

$$ \text { Which one of the following is not the correct IUPAC name of the compound? } $$

A

$$ \text { 2-Bromo-3-methylbut-2-en-1-ol: }\left(\mathrm{CH}_3\right)_2-\mathrm{C}=\mathrm{C}(\mathrm{Br})-\mathrm{CH}_2 \mathrm{OH} $$

B

$$ \text { 2,5-Dimethylhexane-1,3-diol: }\left(\mathrm{CH}_3\right)_2-\mathrm{CH}-\mathrm{CH} 2-\mathrm{CH}(\mathrm{OH})-\mathrm{CH}\left(\mathrm{CH}_2 \mathrm{OH}\right)-\mathrm{CH}_3 $$

C

$$ \text { 3-Methylbutoxybenzene: } \mathrm{C}_6 \mathrm{H}_5-\mathrm{O}-\left(\mathrm{CH}_2\right)_2-\mathrm{CH}-\left(\mathrm{CH}_3\right)_2 $$

D

COMEDK 2026 Morning Shift Chemistry - IUPAC Nomenclatures Question 1 English Option 4

2
COMEDK 2026 Morning Shift
MCQ (Single Correct Answer)
+1
-0

$$ \text { Identify the correct order of the type of reactions taking place in this sequence: } $$

COMEDK 2026 Morning Shift Chemistry - Compounds Containing Nitrogen Question 4 English
A

Reduction, Diazotization, Coupling

B

Oxidation, Coupling, Diazotization

C

Reduction, Diazotization, Addition

D

Reduction, Coupling, Diazotization

3
COMEDK 2026 Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which one of the following species will impart colour to an aqueous solution?

A

$\mathrm{Cr}^{3+}$

B

$\mathrm{Zn}^{2+}$

C

$\mathrm{Ti}^{4+}$

D

$\mathrm{Cu}^{+}$

4
COMEDK 2026 Morning Shift
MCQ (Single Correct Answer)
+1
-0

If the equilibrium constant for $\mathrm{N}_{2(g)}+\mathrm{O}_{2(g)} \rightleftharpoons 2 \mathrm{NO}_{(g)}$ is 49 The equilibrium constant for the reaction $N O_{(g)} \rightleftharpoons \frac{1}{2} N_{2(g)}+\frac{1}{2} O_{2(g)}$ is $\_\_\_\_$

A

0.143

B

24.5

C

49

D

0.020