1
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 1 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
2
IAT (IISER) 2020
MCQ (Single Correct Answer)
+4
-1
Identify the major product that forms easily and faster in the following reaction. (Tetrahydrofuran= solvent) IAT (IISER) 2020 Chemistry - Carboxylic Acids and Its Derivatives Question 1 English
A
IAT (IISER) 2020 Chemistry - Carboxylic Acids and Its Derivatives Question 1 English Option 1
B
IAT (IISER) 2020 Chemistry - Carboxylic Acids and Its Derivatives Question 1 English Option 2
C
IAT (IISER) 2020 Chemistry - Carboxylic Acids and Its Derivatives Question 1 English Option 3
D
IAT (IISER) 2020 Chemistry - Carboxylic Acids and Its Derivatives Question 1 English Option 4
3
IAT (IISER) 2020
MCQ (Single Correct Answer)
+4
-1
A first-order reaction is found to have a half-life of one second (sec). What will be the time required for $99.9 \%$ completion of the reaction?
A
0.693 sec
B
2 sec
C
10 sec
D
69.3 sec
4
IAT (IISER) 2020
MCQ (Single Correct Answer)
+4
-1
The total number of nodes for a given principal quantum number $n$, and azimuthal quantum number $\ell$, are
A
sum of $\ell$ angular nodes and $n+\ell-1$ radial nodes
B
sum of $\ell$ angular nodes and $n-\ell-1$ radial nodes
C
sum of $\ell+1$ angular nodes and $n-\ell-1$ radial nodes
D
sum of $\ell+1$ angular nodes and $n+\ell-1$ radial nodes
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