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Previous year question hub

D And F Block Elements - Inorganic Chemistry - Chemistry Previous Year Questions

Practice D And F Block Elements - Inorganic Chemistry - Chemistry previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

9Papers
9Years
25Questions
1Topics

D And F Block Elements question pattern

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Questions by year

Year-wise coverage for D And F Block Elements. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Not classified 25 100%

Question type distribution

MCQ, numerical, multiple-select and other formats found in these papers.

Multiple Choices 25 100%

Subject weightage

Top subjects by unique question coverage.

Chemistry
25 Qs

Most asked topics

Top topics across the included previous year papers.

Inorganic Chemistry
25 Qs

Subtopic coverage

Top subtopics inside this exact selection.

D And F Block Elements
25 Qs

Paper coverage

Question coverage for the most populated papers. Every active PYP paper remains listed below.

KCET 2025
3 Qs
KCET 2024
4 Qs
KCET 2023
1 Qs
KCET 2022
3 Qs
KCET 2021
3 Qs
KCET 2020
2 Qs
KCET 2019
5 Qs
KCET 2018
2 Qs
KCET 2017
2 Qs

Included previous year papers

Newest papers appear first. Sort by year, question coverage or name.

PaperYear / sessionQuestions in this viewOpen
KCET 202520253View paper
KCET 202420244View paper
KCET 202320231View paper
KCET 202220223View paper
KCET 202120213View paper
KCET 202020202View paper
KCET 201920195View paper
KCET 201820182View paper
KCET 201720172View paper

All D And F Block Elements previous year questions

Practice every matching question in batches of 20, with every available option.

1
2017 · Chemistry · Inorganic Chemistry · D And F Block Elements
KCET 2017
Which of the following statement is wrong regarding lanthanoids?
A
$\operatorname{Ln}$ (III) compounds are predominantly ionic in character.
B
$\operatorname{Ln}$ (III) compounds are generally colourless.
C
$\operatorname{Ln}$ (III) hydroxides are mainly basic in nature.
D
The inoic size of $\operatorname{Ln}(I I I)$ ions decreases with increasing atomic number.
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2
2017 · Chemistry · Inorganic Chemistry · D And F Block Elements
KCET 2017
The magnetic nature of elements depends on the presence of unpaired electrons. Identify the configuration of transition elements which shows highest magnetic moment?
A
$3 d^7$
B
$3 d^8$
C
$3 d^5$
D
$3 d^2$
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3
2018 · Chemistry · Inorganic Chemistry · D And F Block Elements
KCET 2018
Which of the following oxides shows electrical properties like metals?
A
$\mathrm{SiO}_2$
B
MgO
C
$\mathrm{SO}_2(\mathrm{~s})$
D
$\mathrm{CrO}_2$
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4
2018 · Chemistry · Inorganic Chemistry · D And F Block Elements
KCET 2018
Which of the following oxidation states is common for all lanthanides?
A
+2
B
+3
C
+4
D
+5
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5
2019 · Chemistry · Inorganic Chemistry · D And F Block Elements
KCET 2019

The elements in which electrons are progressively filled in \(4 f\)-orbital are called

A
actinoids
B
transition elements
C
lanthanoids
D
halogens
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6
2019 · Chemistry · Inorganic Chemistry · D And F Block Elements
KCET 2019

Oxidation state of copper is +1 in

A
malachite
B
cuprite
C
azurite
D
chalcopyrite
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7
2019 · Chemistry · Inorganic Chemistry · D And F Block Elements
KCET 2019

Incorrect statement with reference to \(\mathrm{Ce}(Z=58)\) is

A
\(\mathrm{Ce}^{4+}\) is a reducing agent
B
\(\mathrm{Ce}\) in +3 oxidation state is more stable than in +4
C
Atomic size of \(\mathrm{Ce}\) is more than that of \(\mathrm{Lu}\)
D
Ce shows common oxidation states of +3 and +4
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8
2019 · Chemistry · Inorganic Chemistry · D And F Block Elements
KCET 2019

Which of the following statements is wrong?

A
In highest oxidation states, the transition metals show acidic character
B
\(\mathrm{Mn}^{3+}\) and \(\mathrm{CO}^{3+}\) are oxidising agents in aqueous solution
C
Metals in highest oxidation states are more stable in oxide than in fluorides
D
All elements of \(3 d\) series exhibit variable oxidation states
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9
2019 · Chemistry · Inorganic Chemistry · D And F Block Elements
KCET 2019

A mixture of \(\mathrm{NaCl}\) and \(\mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7\) is heated with conc. \(\mathrm{H}_2 \mathrm{SO}_4\), deep red vapours are formed. Which of the following statements is false?

A
The vapours give a yellow solution with \(\mathrm{NaOH}\)
B
The vapours contain \(\mathrm{CrO}_2 \mathrm{Cl}_2\) only
C
The vapours contain \(\mathrm{CrO}_2 \mathrm{Cl}_2\) and \(\mathrm{Cl}_2\)
D
The vapours when passed into lead acetate in acetic give a yellow precipitate
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10
2020 · Chemistry · Inorganic Chemistry · D And F Block Elements
KCET 2020

For \(\mathrm{Cu}_2 \mathrm{Cl}_2\) and \(\mathrm{CuCl}_2\) in aqueous medium, which of the following statement is correct?

A
\(\mathrm{CuCl}_2\) is more stable than \(\mathrm{Cu}_2 \mathrm{Cl}_2\)
B
Stability of \(\mathrm{Cu}_2 \mathrm{Cl}_2\) is equal to stability of \(\mathrm{CuCl}_2\)
C
Both are unstable
D
\(\mathrm{Cu}_2 \mathrm{Cl}_2\) is more stable than \(\mathrm{CuCl}_2\)
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11
2020 · Chemistry · Inorganic Chemistry · D And F Block Elements
KCET 2020

Identify the set of paramagnetic ions among the following.

A
\(\mathrm{V}^{2+}, \mathrm{Co}^{2+}, \mathrm{Ti}^{4+}\)
B
\(\mathrm{Ni}^{2+}, \mathrm{Cu}^{2+}, \mathrm{Zn}^{2+}\)
C
\(\mathrm{Ti}^{2+}, \mathrm{Cu}^{2+}, \mathrm{Mn}^{3+}\)
D
\(\mathrm{Sc}^{3+}, \mathrm{Ti}^{3+}, \mathrm{V}^{3+}\)
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12
2021 · Chemistry · Inorganic Chemistry · D And F Block Elements
KCET 2021

Which of the following does not represent property stated against it?

A
\(\mathrm{CO}^{2+}<\mathrm{Fe}^{2+}<\mathrm{Mn}^{2+}\) - Ionic size
B
\(\mathrm{Ti}<\mathrm{V}<\mathrm{Mn}\) - Number of oxidation states
C
\(\mathrm{Cr}^{2+}<\mathrm{Mn}^{2+}<\mathrm{Fe}^{2+}\) - Paramagnetic behaviour
D
\(\mathrm{Sc}>\mathrm{Cr}>\mathrm{Fe}\) - Density
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13
2021 · Chemistry · Inorganic Chemistry · D And F Block Elements
KCET 2021

Which one of the following is correct for all elements from Sc to Cu?

A
The lowest oxidation state shown by them is +2
B
\(4 s\) orbital is completely filled in the ground state
C
\(3 d\) orbital is not completely filled in the ground state
D
The ions in +2 oxidation states are paramagnetic
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14
2021 · Chemistry · Inorganic Chemistry · D And F Block Elements
KCET 2021

Which of the following pairs has both the ions coloured in aqueous solution? [Atomic numbers of

$$\mathrm{Sc}=21, \mathrm{Ti}=22, \mathrm{Ni}=28, \mathrm{Cu}=29, \mathrm{Mn}=25]$$

A
\(\mathrm{Sc}^{3+}, \mathrm{Mn}^{2+}\)
B
\(\mathrm{Ni}^{2+}, \mathrm{Ti}^{4+}\)
C
\(\mathrm{Ti}^{3+}, \mathrm{Cu}^{+}\)
D
\(\mathrm{Mn}^{2+}, \mathrm{Ti}^{3+}\)
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15
2022 · Chemistry · Inorganic Chemistry · D And F Block Elements
KCET 2022

What will be the value of \(x\) in \(\mathrm{Fe}^{x+}\), if the magnetic moment, \(\mu=\sqrt{24} \mathrm{~BM}\) ?

A
+3
B
0
C
+1
D
+2
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16
2022 · Chemistry · Inorganic Chemistry · D And F Block Elements
KCET 2022

The only lanthanoid which is radioactive

A
cerium
B
promethium
C
praseodymium
D
lanthanum
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17
2022 · Chemistry · Inorganic Chemistry · D And F Block Elements
KCET 2022

A transition metal exists in its highest oxidation state. It is expected to behave as

A
a central metal in a coordination compound
B
an oxidising agent
C
a reducing agent
D
a chelating agent
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18
2023 · Chemistry · Inorganic Chemistry · D And F Block Elements
KCET 2023

Which of the following is correct with respect to melting point of a transition element?

A
\(\mathrm{V}>\mathrm{Cr}\)
B
\(\mathrm{Cr}>\mathrm{Mn}\)
C
\(\mathrm{Mn}>\mathrm{Fe}\)
D
\(\mathrm{Ti}>\mathrm{V}\)
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19
2024 · Chemistry · Inorganic Chemistry · D And F Block Elements
KCET 2024

Match the following.

I. $\mathrm{Zn}^{2+}\quad$ (i) $d^8$ configuration

II. $\mathrm{Cu}^{2+}\quad$ (ii) Colourless

III. $\mathrm{Ni}^{2+}\quad$ (iii) $\mu=1.73 \mathrm{BM}$

A
I II II
(i) (ii) (iii)
B
I II II
(ii) (iii) (i)
C
I II II
(ii) (i) (iii)
D
I II II
(i) (iii) (ii)
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20
2024 · Chemistry · Inorganic Chemistry · D And F Block Elements
KCET 2024

Which of the following statements related to lanthanoids is incorrect?

A
Lanthanoids are silvery white soft metals.
B
Samarium shows +2 oxidation state.
C
$\mathrm{Ce}^{+4}$ solutions are widely used as oxidising agents in titrimetric analysis.
D
Colour of lanthanoid ion in solution is due to $d-d$ transition.
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Showing 20 of 25 questions