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Previous year question hub

P Block Elements - Inorganic Chemistry - Chemistry Previous Year Questions

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

8Papers
8Years
25Questions
1Topics

P Block Elements question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for P 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.

P Block Elements
25 Qs

Paper coverage

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

KCET 2024
3 Qs
KCET 2023
4 Qs
KCET 2022
3 Qs
KCET 2021
6 Qs
KCET 2020
4 Qs
KCET 2019
2 Qs
KCET 2018
1 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 202420243View paper
KCET 202320234View paper
KCET 202220223View paper
KCET 202120216View paper
KCET 202020204View paper
KCET 201920192View paper
KCET 201820181View paper
KCET 201720172View paper

All P Block Elements previous year questions

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

1
2017 · Chemistry · Inorganic Chemistry · P Block Elements
KCET 2017
Plaster of Paris is represented as
A
$\mathrm{CaSO}_4 \cdot 2 \mathrm{H}_2 \mathrm{O}$
B
$\mathrm{CaSO}_4$
C
$\mathrm{CaSiO}_4 \cdot \mathrm{H}_2 \mathrm{O}$
D
$\mathrm{CaSO}_4 \cdot \frac{1}{2} \mathrm{H}_2 \mathrm{O}$
Open complete paper
2
2017 · Chemistry · Inorganic Chemistry · P Block Elements
KCET 2017
Addition of mineral acid to an aqueous solution of borax, the following compound is formed
A
pyroboric acid
B
boron hydride
C
meta boric acid
D
orthoboric acid
Open complete paper
3
2018 · Chemistry · Inorganic Chemistry · P Block Elements
KCET 2018
When $\mathrm{PbO}_2$ reacts with concentrated $\mathrm{HNO}_3$, the gas evolved is
A
$\mathrm{NO}_2$
B
$\mathrm{O}_2$
C
$\mathrm{N}_2$
D
$\mathrm{N}_2 \mathrm{O}$
Open complete paper
4
2019 · Chemistry · Inorganic Chemistry · P Block Elements
KCET 2019

0.1 mole of \(\mathrm{XeF}_6\) is treated with \(1.8 \mathrm{~g}\) of water. The product obtained is

A
\(\mathrm{XeO}_3\)
B
\(\mathrm{XeO}_2 \mathrm{~F}_2\)
C
\(\mathrm{XeOF}_4\)
D
\(\mathrm{Xe}+\mathrm{XeO}_3\)
Open complete paper
5
2019 · Chemistry · Inorganic Chemistry · P Block Elements
KCET 2019

The metal nitrate that liberates \(\mathrm{NO}_2\) on heating

A
\(\mathrm{NaNO}_3\)
B
\(\mathrm{LiNO}_3\)
C
\(\mathrm{KNO}_3\)
D
\(\mathrm{RbNO}_3\)
Open complete paper
6
2020 · Chemistry · Inorganic Chemistry · P Block Elements
KCET 2020

Phosphorus pentachloride

A
on hydrolysis gives an oxo-acid of phosphorus which is tribasic
B
on hydrolysis gives an oxo-acid of phosphorus which is a good reducing agent
C
Has all the five equivalent bonds
D
exists as an ionic solid in which cation has octahedral structure and anion has tetrahedral structure
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7
2020 · Chemistry · Inorganic Chemistry · P Block Elements
KCET 2020

Aqueous solution of a salt \((A)\) forms a dense white precipitate with \(\mathrm{BaCl}_2\) solution. The precipitate dissolves in dilute \(\mathrm{HCl}\) to produce a gas \((B)\) which decolourises acidified \(\mathrm{KMnO}_4\) solution. \(A\) and \(B\) respectively are

A
\(\mathrm{BaSO}_3, \mathrm{SO}_2\)
B
\(\mathrm{BaSO}_4, \mathrm{H}_2 \mathrm{S}\)
C
\(\mathrm{BaSO}_3, \mathrm{H}_2 \mathrm{S}\)
D
\(\mathrm{BaSO}_4, \mathrm{SO}_2\)
Open complete paper
8
2020 · Chemistry · Inorganic Chemistry · P Block Elements
KCET 2020

The last element of the \(p\)-block in 6 th period is represented by the outer most electronic configuration.

A
\(7 s^2, 7 p^6\)
B
\(5 f^{14}, 6 d{ }^{10}, 7 s^2, 7 p^5\)
C
\(4 f^{14}, 5 d^{10}, 6 s^2, 6 p^4\)
D
\(4 f{ }^{14}, 5 d{ }^{10}, 6 s^2, 6 p^6\)
Open complete paper
9
2020 · Chemistry · Inorganic Chemistry · P Block Elements
KCET 2020

A Lewis acid '\(X\)' reacts with \(\mathrm{LiAlH}_4\) in ether medium to give a highly toxic gas. This gas when heated with \(\mathrm{NH}_3\) gives a compound commonly known as inorganic benzene. The gas is

A
\(\mathrm{B}_2 \mathrm{O}_3\)
B
\(\mathrm{B}_2 \mathrm{H}_6\)
C
\(\mathrm{B}_3 \mathrm{N}_3 \mathrm{H}_6\)
D
\(\mathrm{BF}_3\)
Open complete paper
10
2021 · Chemistry · Inorganic Chemistry · P Block Elements
KCET 2021

The number of six membered and five membered rings in Buckminster fullerene respectively is

A
20, 12
B
12, 20
C
14, 18
D
14, 11
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11
2021 · Chemistry · Inorganic Chemistry · P Block Elements
KCET 2021

A colourless, neutral, paramagnetic oxide of nitrogen '\(P\)' on oxidation gives reddish brown gas \(Q\). \(Q\) on cooling gives colourless gas \(R\). \(R\) on reaction with \(P\) gives blue solid \(S\). Identify \(P, Q, R, S\) respectively

A
\(\mathrm{N}_2 \mathrm{O}, \mathrm{NO}, \mathrm{NO}_2, \mathrm{~N}_2 \mathrm{O}_5\)
B
\(\mathrm{N}_2 \mathrm{O}, \mathrm{NO}_2, \mathrm{~N}_2 \mathrm{O}_4, \mathrm{~N}_2 \mathrm{O}_3\)
C
\(\mathrm{NO}, \mathrm{NO}_2, \mathrm{~N}_2 \mathrm{O}_4, \mathrm{~N}_2 \mathrm{O}_3\)
D
\(\mathrm{NO}, \mathrm{NO}, \mathrm{N}_2 \mathrm{O}_4, \mathrm{~N}_2 \mathrm{O}_5\)
Open complete paper
12
2021 · Chemistry · Inorganic Chemistry · P Block Elements
KCET 2021

In the detection of II group acid radical, the salt containing chloride is treated with concentrated sulphuric acid, the colourless gas is liberated. The name of the gas is

A
hydrogen chloride gas
B
chlorine gas
C
sulphur dioxide gas
D
hydrogen gas
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13
2021 · Chemistry · Inorganic Chemistry · P Block Elements
KCET 2021

\(\mathrm{XeF}_6\) on partial hydrolysis gives a compound \(X\), which has square pyramidal geometry '\(X\)' is

A
\(\mathrm{XeO}_3\)
B
\(\mathrm{XeO}_4\)
C
\(\mathrm{XeOF}_4\)
D
\(\mathrm{XeO}_2 \mathrm{F}_2\)
Open complete paper
14
2021 · Chemistry · Inorganic Chemistry · P Block Elements
KCET 2021

Which of the following compound on heating gives \(\mathrm{N}_2 \mathrm{O}\) ?

A
\(\mathrm{Pb}\left(\mathrm{NO}_3\right)_2\)
B
\(\mathrm{NH}_4 \mathrm{NO}_3\)
C
\(\mathrm{NH}_4 \mathrm{NO}_2\)
D
\(\mathrm{NaNO}_3\)
Open complete paper
15
2021 · Chemistry · Inorganic Chemistry · P Block Elements
KCET 2021

Which of the following property is true for the given sequence?

$$\mathrm{NH}_3>\mathrm{PH}_3>\mathrm{AsH}_3>\mathrm{SbH}_3>\mathrm{BiH}_3 \text { ? }$$

A
Reducing property
B
Thermal stability
C
Bond angle
D
Acidic character
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16
2022 · Chemistry · Inorganic Chemistry · P Block Elements
KCET 2022

\(\left(\mathrm{NH}_4\right)_2 \mathrm{Cr}_2 \mathrm{O}_7\) on heating liberates a gas. The same gas will be obtained by

A
heating \(\mathrm{NH}_4 \mathrm{NO}_2\)
B
treating \(\mathrm{H}_2 \mathrm{O}_2\) with \(\mathrm{NaNO}_2\)
C
treating \(\mathrm{Mg}_3 \mathrm{~N}_2\) with \(\mathrm{H}_2 \mathrm{O}\)
D
heating \(\mathrm{NH}_4 \mathrm{NO}_3\)
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17
2022 · Chemistry · Inorganic Chemistry · P Block Elements
KCET 2022

The strong reducing property of hypophosphorus acid is due to

A
the positive valency of phosphorus
B
two \(\mathrm{P}-\mathrm{H}\) bonds
C
presence of phosphorus in its highest oxidation state
D
its concentration
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18
2022 · Chemistry · Inorganic Chemistry · P Block Elements
KCET 2022

Which of the following hydrides is electron deficient?

A
\(\mathrm{CaH}_2\)
B
\(\mathrm{CH}_4\)
C
\(\mathrm{B}_2 \mathrm{H}_6\)
D
\(\mathrm{NaH}\)
Open complete paper
19
2023 · Chemistry · Inorganic Chemistry · P Block Elements
KCET 2023

What is the oxidation number of \(\mathrm{S}\) in \(\mathrm{H}_2 \mathrm{S}_2 \mathrm{O}_8\) ?

A
+5
B
+4
C
+7
D
+6
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20
2023 · Chemistry · Inorganic Chemistry · P Block Elements
KCET 2023

Which of the following compound does not give dinitrogen on heating?

A
\(\mathrm{Ba}\left(\mathrm{N}_3\right)_2\)
B
\(\mathrm{NH}_4 \mathrm{NO}_2\)
C
\(\mathrm{NH}_4 \mathrm{NO}_3\)
D
\(\left(\mathrm{NH}_4\right)_2 \mathrm{Cr}_2 \mathrm{O}_7\)
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Showing 20 of 25 questions