MHT-CET SERIES Chemistry
Redox Reactions
34 previous year questions.
Volume: 34 Ques
Yield: High
High-Yield Trend
1
2026 6
2025 4
2024 21
2020 1
2018 1
2017 Chapter Questions 34 MCQs
01
PYQ 2017
medium
chemistry ID: mht-cet-
Identify the weakest oxidising agent among the following.
1
2
3
4
02
PYQ 2018
easy
chemistry ID: mht-cet-
What is the oxidation number of gold in the complex ?
1
4
2
3
3
2
4
1
03
PYQ 2020
medium
chemistry ID: mht-cet-
Xenon crystallizes in fcc lattice and the edge length of unit cell is 620 pm. What is the radius of Xe atom?
1
219.2 pm
2
438.5 pm
3
265.5 pm
4
536.9 pm
04
PYQ 2020
medium
chemistry ID: mht-cet-
Identify the reducing agent in the following reaction:
1
2
3
4
05
PYQ 2020
medium
chemistry ID: mht-cet-
Which of the following alcohols is NOT having bond?
1
Phenylmethanol
2
2-Methylpropan-2-ol
3
Propan-2-ol
4
Vinyl alcohol
06
PYQ 2020
medium
chemistry ID: mht-cet-
What is the oxidation state of chlorine atom in hypochlorous acid?
1
2
3
4
07
PYQ 2020
medium
chemistry ID: mht-cet-
What type of hybridization results in trigonal geometry?
1
dsp
2
sp
3
sp
4
sp
08
PYQ 2020
medium
chemistry ID: mht-cet-
Which antibiotic from the following contains N = N linkage?
1
Sulphanilamide
2
Prontosil
3
Sulphapyridine
4
Salvarsan
09
PYQ 2020
medium
chemistry ID: mht-cet-
The time required to decompose SO Cl to half of its initial amount is 60 minutes. Calculate rate constant for this first order reaction?
1
2
3
4
10
PYQ 2020
medium
chemistry ID: mht-cet-
Identify the oxidising agent in the following reaction.
1
2
3
4
11
PYQ 2020
medium
chemistry ID: mht-cet-
What is the oxidation number of V in ion?
1
2
3
4
12
PYQ 2020
medium
chemistry ID: mht-cet-
In which among the following compounds, oxidation number of phosphorus is +3?
1
2
3
4
13
PYQ 2020
medium
chemistry ID: mht-cet-
The oxidation state of chlorine in its oxyacid depends upon
1
number of oxygen atoms per molecule
2
number of chlorine atoms per molecule
3
oxidation state of oxygen in molecule
4
number of lone pair electrons on oxygen atom
14
PYQ 2020
medium
chemistry ID: mht-cet-
In which of the following compounds intramolecular hydrogen bonding is present?
1
Ethanol
2
o-nitrophenol
3
Water
4
Ammonia
15
PYQ 2020
medium
chemistry ID: mht-cet-
What is the oxidation number of carbon in glucose?
1
-6
2
+6
3
+3
4
Zero
16
PYQ 2020
medium
chemistry ID: mht-cet-
What is the oxidation state of chlorine atom in perchloric acid?
1
-5
2
+7
3
+5
4
+3
17
PYQ 2020
medium
chemistry ID: mht-cet-
What is the oxidation state of chlorine atom in chlorous acid?
1
2
3
4
18
PYQ 2020
medium
chemistry ID: mht-cet-
The sum of oxidation number of all atoms in ion is
1
2
3
4
19
PYQ 2020
medium
chemistry ID: mht-cet-
What is the oxidation state of As in H AsO ?
1
2
3
4
20
PYQ 2020
medium
chemistry ID: mht-cet-
Identify correct decreasing order of oxidizing power?
1
HClO>HClO >HClO
2
HClO>HClO >HClO
3
HClO >HClO>HClO
4
HClO >HClO >HClO
21
PYQ 2020
medium
chemistry ID: mht-cet-
When is passed through acidified , the process that takes place is
1
the solution turns blue
2
the solution is decolourised
3
is reduced
4
green is formed
22
PYQ 2020
medium
chemistry ID: mht-cet-
Ketoxime on reduction with sodium in ethanol forms
1
1 amine
2
2 amine
3
1 and 2 amine
4
3 amine
23
PYQ 2020
medium
chemistry ID: mht-cet-
The sum of oxidation states of all atoms in ion is
1
Zero
2
-2
3
+2
4
-1
24
PYQ 2024
easy
chemistry ID: mht-cet-
In acidic medium, which of the following does not change its colour?
1
2
3
4
25
PYQ 2024
medium
chemistry ID: mht-cet-
How many moles of electrons are required for the reduction of 1 mole of to (s)?
1
1 mole of
2
2 moles of
3
3 moles of
4
None of these
26
PYQ 2024
medium
chemistry ID: mht-cet-
In which of the compounds does 'manganese' exhibit the highest oxidation number?
1
2
3
4
27
PYQ 2024
medium
chemistry ID: mht-cet-
The half-life of a 1st order reaction is 1 hr. What is the fraction of the reactant remaining after 3 hours?
28
PYQ 2025
medium
chemistry ID: mht-cet-
The oxidation number of chlorine in is:
1
2
3
4
29
PYQ 2025
medium
chemistry ID: mht-cet-
Calculate the enthalpy of solution of potassium chloride if its and
1
20 kJ mol
2
345 kJ mol
3
690 kJ mol
4
1380 kJ mol
30
PYQ 2025
medium
chemistry ID: mht-cet-
Calculate the oxidation number of sulfur in .
1
+4
2
+6
3
+2
4
0
31
PYQ 2025
medium
chemistry ID: mht-cet-
In the reaction:
Which of the following is the correct oxidation half-reaction?
1
2
3
4
32
PYQ 2025
medium
chemistry ID: mht-cet-
What is the oxidation state of chromium in ?
1
+2
2
+3
3
+6
4
+7
33
PYQ 2025
medium
chemistry ID: mht-cet-
Calculate for a certain reaction at if and
1
2
3
4
34
PYQ 2026
medium
chemistry ID: mht-cet-
Which of the following is a disproportionation reaction: Clemmensen, Wolff–Kishner, or Cannizzaro?
1
Clemmensen reaction
2
Wolff–Kishner reaction
3
Cannizzaro reaction
4
None of these