1
MHT CET 2025 20th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify from following physical transformations that exhibits decrease in entropy.

A
$\mathrm{H}_2 \mathrm{O}_{(\mathrm{s})} \longrightarrow \mathrm{H}_2 \mathrm{O}_{(l)}$
B
$\mathrm{H}_2 \mathrm{O}_{(l)} \longrightarrow \mathrm{H}_2 \mathrm{O}_{(\mathrm{g})}$
C
$\quad \mathrm{H}_2 \mathrm{O}_{(\mathrm{s})} \longrightarrow \mathrm{H}_2 \mathrm{O}_{(\mathrm{g})}$
D
$\quad \mathrm{H}_2 \mathrm{O}_{(\mathrm{g})} \longrightarrow \mathrm{H}_2 \mathrm{O}_{(\ell)}$
2
MHT CET 2025 20th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

"No two electrons in an atom can have the identical set of four quantum numbers." The statement is known as

A
Pauli's exclusion principle.
B
Hund's rule.
C
Aufbau rule.
D
Heisenberg uncertainty principle.
3
MHT CET 2025 20th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following functional groups is reduced by diborane?

A
-COOR
B
-COOH
C
$\quad-\mathrm{NO}_2$
D
-X
4
MHT CET 2025 20th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

What it the IUPAC name of following compounds?

MHT CET 2025 20th April Evening Shift Chemistry - IUPAC Nomenclatures Question 4 English
A
2,5-Dimethylpentan-1-ol
B
1,3-Dimethylpentan-2-ol
C
2,5-Dimethylcyclopentanol
D
1,3-Dimethylcyclopentan-2-ol
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