s-Block Elements PYQs - Last 5 Years
AP EAPCET / Chemistry / Inorganic Chemistry / 28 recent questions
ChemistryInorganic Chemistry2021-2025
Practice 28 AP EAPCET Chemistry questions from s-Block Elements. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.
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Chemistry / Inorganic Chemistry
2021-2025
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2021-2025
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2016-2025
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Last 5 Years s-Block Elements Questions
Showing 28 of 28 filtered questions.
1S Block Elements
Identify the correct statements from the following.
I. All alkaline earth metals give hydrides on heating with hydrogen.
II. Calcium hydroxide is used to purify sugar.III. $\mathrm{BeCl}_2$ is a dimer in gaseous phase.
I. All alkaline earth metals give hydrides on heating with hydrogen.
II. Calcium hydroxide is used to purify sugar.III. $\mathrm{BeCl}_2$ is a dimer in gaseous phase.
MCQ+1 / -02025
2S Block Elements
In Solvay process, $\mathrm{NH}_3$ is recovered when the solution containing $\mathrm{NH}_4 \mathrm{Cl}$ is treated with compound ' $X$ '. What is ' $X^{\prime}$ ?
MCQ+1 / -02025
3S Block Elements
Identify the correct statement from the following.
A. Among alkali metal ions, $\mathrm{Li}^{+}$has highest hydration enthalpy.
B. Boiling point of alkali metals increases from Li to Cs .
C. Density of K is less than that of Na and Rb .
D. ...
A. Among alkali metal ions, $\mathrm{Li}^{+}$has highest hydration enthalpy.
B. Boiling point of alkali metals increases from Li to Cs .
C. Density of K is less than that of Na and Rb .
D. ...
MCQ+1 / -02025
4S Block Elements
Consider the following
Statement - I : Both $\mathrm{BeSO}_4$ and $\mathrm{MgSO}_4$ are readily soluble in water.
Statement - II : Among the nitrates of alkaline earth metals, only $\mathrm{Be}\left(\mathrm{NO}_3\right)_2$ on strong heating...
Statement - I : Both $\mathrm{BeSO}_4$ and $\mathrm{MgSO}_4$ are readily soluble in water.
Statement - II : Among the nitrates of alkaline earth metals, only $\mathrm{Be}\left(\mathrm{NO}_3\right)_2$ on strong heating...
MCQ+1 / -02025
5S Block Elements
The correct order of density of $\mathrm{Be}, \mathrm{Mg}, \mathrm{Ca}, \mathrm{Sr}$ is
MCQ+1 / -02025
6S Block Elements
Which chloride does not exist as hydrate?
MCQ+1 / -02025
7S Block Elements
Which of the following statements are correct regarding lithium and magnesium?
I. They react slowly with water.
II. Their bicarbonates are solids.
III. Their chlorides are not soluble in ethanol.
IV. Their nitrates decompose easily on heati...
I. They react slowly with water.
II. Their bicarbonates are solids.
III. Their chlorides are not soluble in ethanol.
IV. Their nitrates decompose easily on heati...
MCQ+1 / -02025
8S Block Elements
Which of the following orders are correct against the stated property?
I. $\mathrm{NaO}_2<\mathrm{KO}_2<\mathrm{RbO}_2<\mathrm{CsO}_2$ - stability
II. $\mathrm{Mg}(\mathrm{OH})_2<\mathrm{Ca}(\mathrm{OH})_2<\mathrm{Sr}(\mathrm{OH})_2$ - basi...
I. $\mathrm{NaO}_2<\mathrm{KO}_2<\mathrm{RbO}_2<\mathrm{CsO}_2$ - stability
II. $\mathrm{Mg}(\mathrm{OH})_2<\mathrm{Ca}(\mathrm{OH})_2<\mathrm{Sr}(\mathrm{OH})_2$ - basi...
MCQ+1 / -02025
9S Block Elements
Which of the following statement is incorrect with reference to alkaline earth metals?
MCQ+1 / -02025
10S Block Elements
Which of the following, on thermal decomposition, form both acidic and basic oxides along with $\mathrm{O}_2$ ?
(i) $\mathrm{NaNO}_3$
(ii) $\mathrm{Ca}\left(\mathrm{NO}_3\right)_2$
(iii) $\mathrm{Be}\left(\mathrm{NO}_3\right)_2$
(iv) $\math...
(i) $\mathrm{NaNO}_3$
(ii) $\mathrm{Ca}\left(\mathrm{NO}_3\right)_2$
(iii) $\mathrm{Be}\left(\mathrm{NO}_3\right)_2$
(iv) $\math...
MCQ+1 / -02024
11S Block Elements
Which one of the following alkaline earth metals does not form hydride when it is heated with hydrogen directly?
MCQ+1 / -02024
12S Block Elements
Which one of the following alkali metals is the weakes reducing agent as per their $E^{\circ}$ values?
MCQ+1 / -02024
13S Block Elements
Which one of the following statements is not correct about the compounds of alkaline earth metals?
MCQ+1 / -02024
14S Block Elements
$\mathrm{Ba}, \mathrm{Ca}$ and Sr form halide hydrates. Their formulae are $\mathrm{BaCl}_2 \cdot x \mathrm{H}_2 \mathrm{O}, \mathrm{CaCl}_2 \cdot y \mathrm{H}_2 \mathrm{O} \cdot \mathrm{SrCl}_2 \cdot z \mathrm{H}_2 \mathrm{O}$. The value o...
MCQ+1 / -02024
15S Block Elements
The correct order of density of $\mathrm{Be}, \mathrm{Mg}, \mathrm{Ca}, \mathrm{Sr}$ is
MCQ+1 / -02024
16S Block Elements
The correct order of decomposition temperature of $\mathrm{MgCO}_3(X), \mathrm{BaCO}_3(Y), \mathrm{CaCO}_3(Z)$ is
MCQ+1 / -02024
17S Block Elements
Which of the following alloys are correctly matched with their uses?
$\mathrm{Li} / \mathrm{Mg}$ Armour plates
$\mathrm{Cu} / \mathrm{Be}$ High strength springs
$\mathrm{Mg} / \mathrm{Al}$ Aircraft construction
$\mathrm{Li} / \mathrm{Mg}$ Armour plates
$\mathrm{Cu} / \mathrm{Be}$ High strength springs
$\mathrm{Mg} / \mathrm{Al}$ Aircraft construction
MCQ+1 / -02023
18S Block Elements
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MCQ+1 / -02023
19S Block Elements
Identify the correct statements from the following.
(A) \(\mathrm{BeSO}_4\) is soluble in water.
(B) BeO is an amphoteric oxide.
(C) CO can be obtained by heating \(\mathrm{CaCO}_3\) at \(1070-1270 \mathrm{~K}\).
(A) \(\mathrm{BeSO}_4\) is soluble in water.
(B) BeO is an amphoteric oxide.
(C) CO can be obtained by heating \(\mathrm{CaCO}_3\) at \(1070-1270 \mathrm{~K}\).
MCQ+1 / -02022
20S Block Elements
Assertion (A) MgSO\(_4\) is readily soluble in water.
Reason (R) The greater hydration enthalpy of Mg\(^{2+}\) ions overcome is lattice enthalpy.
Reason (R) The greater hydration enthalpy of Mg\(^{2+}\) ions overcome is lattice enthalpy.
MCQ+1 / -02022
21S Block Elements
Identify A and B from the following reaction,
\(\mathrm{NaNO}_3 \xrightarrow{\Delta} x A+y B\)
\(\mathrm{NaNO}_3 \xrightarrow{\Delta} x A+y B\)
MCQ+1 / -02022
22S Block Elements
The pair of elements that form both oxides and nitrides, when burnt in air are
MCQ+1 / -02022
23S Block Elements
Which of the following does not form double
salts?
salts?
MCQ+1 / -02021
24S Block Elements
The main constituent of enamel on the surface of teeth is
MCQ+1 / -02021
25S Block Elements
When borax is dissolved in water, it gives an alkaline solution. The alkaline solution consists the following products
MCQ+1 / -02021
26S Block Elements
Assertion (A) K, Rb and Cs form
superoxides.
Reason (R) The stability of superoxides
increases from K to Cs due to decrease in
lattice energy.
superoxides.
Reason (R) The stability of superoxides
increases from K to Cs due to decrease in
lattice energy.
MCQ+1 / -02021
27S Block Elements
Which metal oxide among the following
gives H\(_2\)O\(_2\) on treatment with dilute acid?
gives H\(_2\)O\(_2\) on treatment with dilute acid?
MCQ+1 / -02021
28S Block Elements
In the preparation of baking soda, H\(_2\)O and CO\(_2\) in ratio ......... is used to react with Na\(_2\)CO\(_3\).
MCQ+1 / -02021