1
IAT (IISER) 2020
MCQ (Single Correct Answer)
+4
-1
The molar conductivity of 0.00241 M acetic acid is $32.87 \mathrm{Scm}^2 \mathrm{~mol}^{-1}$. If the limiting molar conductivity at 298 K is $390.5 \mathrm{Scm}^2 \mathrm{~mol}^{-1}$, what is the dissociation constant ( $\mathrm{mol} \mathrm{L}^{-1}$ )?
A
$5.36 \times 10^{-5}$
B
$1.86 \times 10^{-5}$
C
$5.36 \times 10^{-4}$
D
$1.86 \times 10^{-4}$
2
IAT (IISER) 2020
MCQ (Single Correct Answer)
+4
-1

$$ \text { What is the most appropriate Lewis structure of } \mathrm{NO}_2 \mathrm{~F} \text { ? } $$

A
IAT (IISER) 2020 Chemistry - Chemical Bonding and Molecular Structure Question 4 English Option 1
B
IAT (IISER) 2020 Chemistry - Chemical Bonding and Molecular Structure Question 4 English Option 2
C
IAT (IISER) 2020 Chemistry - Chemical Bonding and Molecular Structure Question 4 English Option 3
D
IAT (IISER) 2020 Chemistry - Chemical Bonding and Molecular Structure Question 4 English Option 4
3
IAT (IISER) 2020
MCQ (Single Correct Answer)
+4
-1
Common disaccharide sucrose is held together by a glycosidic linkage between
A
C1 of $\beta$-D-glucose and C2 of $\alpha$-D-fructose.
B
C2 of $\alpha$-D-glucose and C1 of $\beta$-D-fructose.
C
C1 of $\alpha$-D-glucose and C2 of $\beta$-D-fructose.
D
C1 of $\alpha$-D-glucose and C2 of $\alpha$-D-fructose.
4
IAT (IISER) 2020
MCQ (Single Correct Answer)
+4
-1
Select the correct option based on the increasing order of boiling point of the molecules given below. IAT (IISER) 2020 Chemistry - General Organic Chemistry Question 3 English
A

$$ \text {} I < I I I < I V < I I $$

B
$I I < I < I V < I I I$
C
$I < I I I < I I < I V$
D
III $ < $ I $ < $ II $ < $ IV
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