1
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
Which of the following acid strength is used to get good yield of alkyl iodide from alcohol and sodium iodide in phosphoric acid?
A
$15 \%$
B
$35 \%$
C
$65 \%$
D
$95 \%$
2
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify false statement about transition elements.

A
As per IUPAC convention, transition metal atom have incomplete d-subshell.
B
6d-series includes all elements from $\mathrm{Ac}(\mathrm{Z}=89)$ to $\mathrm{Cn}(\mathrm{Z}=112)$.
C
These elements are placed in group 3 to 12 in modern periodic table.
D
In these ( $\mathrm{n}-1$ ) d-orbital is filled successively.
3
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which from following terms is explained by first law of thermodynamics?

A
Entropy
B
Free energy
C
Conservation of energy
D
Enthalpy
4
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Calculate degree of dissociation of a weak monobasic acid in 0.01 M solution if dissociation constant is $1.6 \times 10^{-5}$.

A
0.02
B
0.03
C
0.04
D
0.05
EXAM MAP