1
IAT (IISER) 2025
MCQ (Single Correct Answer)
+4
-1

$$ \text { Consider the following reaction scheme: } $$

IAT (IISER) 2025 Chemistry - Isomerism Question 1 English$$ \text { Which among the following statements is correct? } $$

A

$\mathbf{P}$ shows geometrical isomerism and absorbs light of higher wavelength than that of $\mathbf{Q}$.

B

Both $\mathbf{P}$ and $\mathbf{Q}$ show geometrical isomerism and $\mathbf{P}$ absorbs light of higher wavelength than that of $\mathbf{Q}$.

C

Q shows geometrical isomerism and absorbs light of higher wavelength than that of $\mathbf{P}$.

D

$\mathbf{P}$ shows geometrical isomerism and absorbs light of lower wavelength than that of $\mathbf{Q}$.

2
IAT (IISER) 2024
MCQ (Single Correct Answer)
+4
-1

$$ \text { What is the relationship between the structures depicted below? } $$

IAT (IISER) 2024 Chemistry - Isomerism Question 3 English
A
Conformational isomers
B
Structural isomers
C
Enantiomers
D
Positional isomers
3
IAT (IISER) 2024
MCQ (Single Correct Answer)
+4
-1

$$ \text { What are the correct structural descriptions for } M \text { and } N \text { ? } $$

IAT (IISER) 2024 Chemistry - Isomerism Question 4 English
A
M is $\beta$-D-(+)-glucopyranose and N is $\beta$-D-(-)-fructofuranose
B
M is $\alpha-\mathrm{D}-(+)$-glucopyranose and N is $\beta$-D-(-)-fructofuranose
C
M is $\alpha-\mathrm{D}-(+)$-glucopyranose and N is $\alpha-\mathrm{D}-(-)$-fructofuranose
D
M is $\alpha-\mathrm{D}-(+)$-glucofuranose and N is $\beta$-D-(-)-fructopyranose
4
IAT (IISER) 2023
MCQ (Single Correct Answer)
+4
-1

$$ \text { Which amongst the following are chiral compounds? } $$

IAT (IISER) 2023 Chemistry - Isomerism Question 2 English
A
II and IV
B
I and IV
C
II and III
D
I and II

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