iCON Education - s-Block Elements TS-EAMCET Test

Candidate Name

Student

Exam Name

TS-EAMCET

Test Name

s-Block Elements

Subject

Chemistry

← Back to s-Block Elements

Remaining Time

00:34:00

Question 1: Palette 1/34

TS-EAMCET 2025 MCQ

A sample of water contains $\mathrm{Mg}\left(\mathrm{HCO}_3\right)_2$ and $\mathrm{Ca}\left(\mathrm{HCO}_3\right)_2$ On boiling this water, these hydrogen carbonates are removed as precipitates. The precipitates are

$\mathrm{MgCO}_3, \mathrm{CaCO}_3$

$\mathrm{Mg}(\mathrm{OH})_2, \mathrm{Ca}(\mathrm{OH})_2$

$\mathrm{Mg}(\mathrm{OH})_2, \mathrm{CaCO}_3$

$\mathrm{MgCO}_3, \mathrm{Ca}(\mathrm{OH})_2$

Question 2: Palette 2/34

TS-EAMCET 2025 MCQ

Which of the following statements is not correct?

Carbonates of alkaline earth metals are insoluble in water.

Beryllium halides are covalent in nature.

The super oxides of alkali metals are colourless.

Alkali metal halides have high negative enthalpies of formation.

Question 3: Palette 3/34

TS-EAMCET 2025 MCQ

Identify the correct statement from the following

I. LiF is less soluble in water than NaF

II. Both LiCl and $\mathrm{MgCl}_2$ are insoluble in ethanol

III. Both Li and Mg form nitrides

IV. $\mathrm{Na}_2 \mathrm{CO}_3$ gives $\mathrm{CO}_2$ on heating

I and IV

I and III

I and II

II and III

Question 4: Palette 4/34

TS-EAMCET 2025 MCQ

The major ingredient $(51 \%)$ in Portland cement is

$\mathrm{Ca}_2 \mathrm{SiO}_4$

$\mathrm{Ca}_3 \mathrm{SiO}_5$

$\mathrm{Ca}_3 \mathrm{Al}_3 \mathrm{O}_6$

$\mathrm{CaSO}_4 \cdot 2 \mathrm{H}_2 \mathrm{O}$

Question 5: Palette 5/34

TS-EAMCET 2025 MCQ

How many of the following metals give oxides and nitrides when burnt in air?

Be, Na, Mg, Ba, Sr, Li, K

Question 6: Palette 6/34

TS-EAMCET 2025 MCQ

Identify the incorrect order against the property given in brackets

$\mathrm{BeCO}_3<\mathrm{MgCO}_3<\mathrm{CaCO}_3<\mathrm{SrCO}_3$ (Thermal stability)

$\mathrm{BeSO}_4>\mathrm{MgSO}_4>\mathrm{CaSO}_4>\mathrm{SrSO}_4$ (Solubility in water)

$\mathrm{Li}_2 \mathrm{CO}_3>\mathrm{Na}_2 \mathrm{CO}_3>\mathrm{K}_2 \mathrm{CO}_3>\mathrm{Rb}_2 \mathrm{CO}_3$ (Thermal stability)

$\mathrm{BeCO}_3>\mathrm{MgCO}_3>\mathrm{CaCO}_3>\mathrm{SrCO}_3$ (Solubility in water)

Question 7: Palette 7/34

TS-EAMCET 2025 MCQ

$ \text { Match the following. } $

$ \text { List I (Reactions) } $		$ \text { List II (Methods) } $
(A)	$ \begin{aligned} \mathrm{Mg}\left(\mathrm{HCO}_3\right)_2 \longrightarrow \mathrm{Mg}(\mathrm{OH})_2 \downarrow & +2 \mathrm{CO}_2 \uparrow \end{aligned} $	(I)	Clark's method
(B)	$ \begin{array}{r} M^{2+}+\mathrm{Na}_4 \mathrm{P}_6 \mathrm{O}_{18}^{2-} \longrightarrow\left[\mathrm{Na}_2 \mathrm{MP}_6 \mathrm{O}_{18}\right]^{2-} +2 \mathrm{Na}^{+} \end{array} $	(II)	Ion exchange method
(C)	$ \begin{aligned} \mathrm{Ca}\left(\mathrm{HCO}_3\right)_2 & +\mathrm{Ca}(\mathrm{OH})_2 \longrightarrow 2 \mathrm{CaCO}_3+2 \mathrm{H}_2 \mathrm{O} \end{aligned} $	(III)	Boiling
(D)	$ \begin{gathered} 2 \mathrm{NaZ}+\mathrm{Ca}^{2+}(\mathrm{aq}) \longrightarrow 2 \mathrm{Na}^{+}+\mathrm{CaZ} (\mathrm{Z}=\text { Zeolite }) \end{gathered} $	(IV)	Calgon's method

The correct answer is

A-III, B-IV, C-I, D-II

A-IV, B-II, C-I, D-III

A-III, B-IV, C-II, D-I

A-II, B-IV, C-I, D-III

Question 8: Palette 8/34

TS-EAMCET 2025 MCQ

Observe the following statements.

Statement I Both LiF and CsI have low solubility in water.

Statement II Low solubility of LiF in water is due to smaller hydration enthalpy of ions and that of CsI is due to its high lattice enthalpy.

The correct answer is

Both Statement I and II are correct.

Statement I is correct, but Statement II is not correct.

Statement I is not correct, but Statement II is correct.

Both Statements I and II are not correct.

Question 9: Palette 9/34

TS-EAMCET 2025 MCQ

In which of the following the $s$-block elements are arranged in the correct order of their melting points?

$\mathrm{Mg}>\mathrm{Be}>\mathrm{Na}>\mathrm{Li}$

$\mathrm{Li}>\mathrm{Be}>\mathrm{Mg}>\mathrm{Na}$

$\mathrm{Be}>\mathrm{Mg}>\mathrm{Li}>\mathrm{Na}$

$\mathrm{Li}>\mathrm{Mg}>\mathrm{Na}>\mathrm{Be}$

Question 10: Palette 10/34

TS-EAMCET 2025 MCQ

$ \text { Match the following } $

$ \text { Lis- I (Chemical) } $		$ \text { List-II (Use) } $
A.	KOH	I.	Coolant
B.	$\mathrm{Na}(l)$	II.	Antacid
C.	Li	III.	Electrochemical cells
D.	$\mathrm{Mg}(\mathrm{OH})_2$	IV	Absorbent for $\mathrm{CO}_2$

The correct answer is

A-II, B-III, C-IV, D-I

A-IV, B-I, C-III, D-II

A-IV, B-III, C-II, D-I

A-III, B-IV, C-I, D-II

Question 11: Palette 11/34

TS-EAMCET 2025 MCQ

When burnt in excess of oxygen, sodium forms a compound $X$ and potassium forms a compound $Y$. The magnetic natures of $X$ and $Y$ respectively are

Both $X$ and $Y$ are paramagnetic in nature

$X$ is diamagnetic and $Y$ is paramagnetic in nature

$X$ is paramagnetic and $Y$ is diamagnetic in nature

Both $X$ and $Y$ are diamagnetic in nature

Question 12: Palette 12/34

TS-EAMCET 2024 MCQ

The hydroxide of which of the following metal reacts with both acid and alkali?

Question 13: Palette 13/34

TS-EAMCET 2024 MCQ

Consider the following reactions.

$ \begin{array}{r} \mathrm{Cs}+\mathrm{O}_2 \text { (excess) } \rightarrow X \\ \mathrm{Na}+\mathrm{O}_2 \rightarrow Y \end{array} $

Identify the correct Statement about $X$ and $Y$

$Y$ is monoxide and $X$ is superoxide.

$Y$ is peroxide and $X$ is peroxidce.

$Y$ is peroxide and $X$ is superoxide.

$Y$ is superoxide and $X$ is peroxide.

Question 14: Palette 14/34

TS-EAMCET 2024 MCQ

Choose the correct statement from the following.

I. In vapour phase $\mathrm{BeCl}_2$ exists as chlorobridge dimer.

II. $\mathrm{BeSO}_4$ is readily soluble in water.

III. BeO is completely basic in nature.

IV. $\mathrm{BeCO}_3$ being unstable, is kept in the atmosphere of $\mathrm{CO}_2$.

V. $\mathrm{BeCO}_3$ is less soluble among all the carbonates of group 2 elements.

II, III, IV

I, II, IV

I, IV, V

II, III, V

Question 15: Palette 15/34

TS-EAMCET 2024 MCQ

Identify the compound which gives $\mathrm{CO}_2$ more readily on heating?

$\mathrm{CaCO}_3$

$\mathrm{NaHCO}_3$

$\mathrm{Na}_2 \mathrm{CO}_3$

$\mathrm{Li}_2 \mathrm{CO}_3$

Question 16: Palette 16/34

TS-EAMCET 2024 MCQ

What is the correct stability order of $\mathrm{KO}_2, \mathrm{RbO}_2, \mathrm{CsO}_2$ ?

$\mathrm{KO}_2<\mathrm{CsO}_2<\mathrm{RbO}_2$

$\mathrm{CsO}_2<\mathrm{KO}_2<\mathrm{RbO}_2$

$\mathrm{CsO}_2<\mathrm{RbO}_2<\mathrm{KO}_2$

$\mathrm{KO}_2<\mathrm{RbO}_2<\mathrm{CsO}_2$

Question 17: Palette 17/34

TS-EAMCET 2024 MCQ

Assertion (A) $\mathrm{MgO}, \mathrm{CaO}, \mathrm{SrO}$ and BaO are insoluble in water.

Reason ( R ) In aqueous medium the basic strength of $\mathrm{MgO}, \mathrm{CaO}, \mathrm{SrO}$ and BaO increases with increase in the atomic number of metal.

The correct option among the following is

Both $(A)$ and $(R)$ are correct and $(R)$ is the correct explanation of (A).

Both (A) and (R) are correct but ( R ) is not the correct explanation of (A).

(A) is correct but ( $R$ ) is not correct.

(A) is not correct but (R) is correct.

Question 18: Palette 18/34

TS-EAMCET 2023 MCQ

Identify the incorrect reaction from the following.

$2 \mathrm{NaNO}_3 \longrightarrow 2 \mathrm{NaNO}_2+\mathrm{O}_2$

$2 \mathrm{LiNO}_3 \longrightarrow 2 \mathrm{LiNO}_2+\mathrm{O}_2$

$2 \mathrm{~Pb}\left(\mathrm{NO}_3\right)_2 \longrightarrow 2 \mathrm{PbO}+4 \mathrm{NO}_2+\mathrm{O}_2$

$\mathrm{Mg}_2 \mathrm{C}_3+\mathrm{H}_2 \mathrm{O} \longrightarrow \mathrm{CH}_3 \mathrm{C} \equiv \mathrm{CH}+\mathrm{Mg}(\mathrm{OH})_2$

Question 19: Palette 19/34

TS-EAMCET 2023 MCQ

The alkali metal with lowest $E^{\circ}{ }_{M^{+} / M}(\mathrm{~V})$ is $X$ and the alkali metal with highest $E^{\circ}{ }_{M^{+} / M}(\mathrm{~V})$ is $Y$. Then $X$ and $Y$ are respectively

$\mathrm{Li}, \mathrm{Na}$

$\mathrm{Li}, \mathrm{Cs}$

$\mathrm{Na}, \mathrm{Li}$

$\mathrm{Cs}, \mathrm{Li}$

Question 20: Palette 20/34

TS-EAMCET 2023 MCQ

Assertion (A) Be and Mg do not impart any colour to the flame.

Reason (R) The electrons in them are strongly bound to get excited by flame.

(A) and (R) are true (R) is the correct explanation of (A).

(A) and (R) are true, but (R) is not the correct explanation of (A).

(A) is correct but (R) is incorrect.

(A) is incorrect but (R) is correct.

Question 21: Palette 21/34

TS-EAMCET 2023 MCQ

Which one of the following statements is not correct?

Molecular formula of calgon is $\mathrm{NaAlSiO}_4$.

Beryllium halides are soluble in organic solvents.

Among alkali metals, the reducing property of sodium is least in aqueous solution.

White metal is an alloy of lithium.

Question 22: Palette 22/34

TS-EAMCET 2023 MCQ

Thermal decomposition of lithium nitrate gives

$\mathrm{LiO}_2, \mathrm{O}_2, \mathrm{NO}_2$

$\mathrm{Li}_2 \mathrm{O}, \mathrm{O}_2, \mathrm{~N}_2 \mathrm{O}$

$\mathrm{Li}_2 \mathrm{O}, \mathrm{O}_2, \mathrm{~N}_2$

$\mathrm{Li}_2 \mathrm{O}, \mathrm{O}_2, \mathrm{NO}_2$

Question 23: Palette 23/34

TS-EAMCET 2023 MCQ

Assertion (A) Alkali metals and their salts impart characteristic flame colours.

Reason (R) Alkali metals have low ionisation enthalpy values. So, electron excitation is possible. The correct option among the following is

(A) and (R) are true, (R) is the correct explanation of (A).

(A) and (R) are true, but (R) is not the correct explanation of (A).

(A) is true but (R) is false.

(A) is false but (R) is true.

Question 24: Palette 24/34

TS-EAMCET 2023 MCQ

Which of the following set of metals have strong tendency to form super oxides?

$\mathrm{Li}, \mathrm{Na}, \mathrm{Be}$

$\mathrm{Be}, \mathrm{Mg}, \mathrm{Ca}$

$\mathrm{K}, \mathrm{Rb}, \mathrm{Cs}$

$\mathrm{Li}, \mathrm{Be}, \mathrm{Mg}$

Question 25: Palette 25/34

TS-EAMCET 2023 MCQ

Identify the correct statements with respect to compounds of beryllium.

I. Beryllium oxide is amphoteric in nature.

II. Beryllium hydride is formed by the reaction of beryllium with hydrogen.

III. Beryllium hydride is formed by the reaction of beryllium chloride with lithium aluminium hydride.

IV. Beryllium sulpahte is the least soluble sulphate among the sulphates of alkaline earth metals.

I and II only

I and III only

II and IV only

II and III only

Question 26: Palette 26/34

TS-EAMCET 2022 MCQ

Unknown inorganic compound ' $A$ ' is used for water softening. ' $A$ ' reacts with $\mathrm{Na}_2 \mathrm{CO}_3$ to generate an alkaline compound ' $B$ ' whose $\mathrm{pH}=14$. ' $A$ ' on reaction with $\mathrm{CO}_2$ gives cloudy ppt. ' $B$ ' +CaO reacts with unknown organic compound ' $C$ ' to give $\mathrm{C}_6 \mathrm{H}_6$. $A$, $B$ and $C$, respectively, are

$\mathrm{Ca}(\mathrm{OH})_2, \mathrm{Na}_2 \mathrm{CO}_3, \mathrm{C}_6 \mathrm{H}_5 \mathrm{COOH}$

$\mathrm{Ca}(\mathrm{OH})_2, \mathrm{NaOH}, \mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}_2 \mathrm{COOH}$

$\mathrm{Ca}(\mathrm{OH})_2, \mathrm{NaOH}, \mathrm{C}_6 \mathrm{H}_5 \mathrm{COOH}$

$\mathrm{Ca}, \mathrm{NaOH}, \mathrm{C}_6 \mathrm{H}_5 \mathrm{COOH}$

Question 27: Palette 27/34

TS-EAMCET 2022 MCQ

The correct order of melting points of the following salts is

$ \begin{array}{lll} \text { LiCl } & \text { LiF } & \text { Lil } \\ \text { I } & \text { II } & \text { III } \end{array} $

I $>$ II $>$ III

II $>$ I $>$ III

III $>$ II $>$ I

II $>$ III $>$ I

Question 28: Palette 28/34

TS-EAMCET 2022 MCQ

Which of the following salts can accommodate more number of $\mathrm{H}_2 \mathrm{O}$ molecules per molecule in their halide hydrates?

$\mathrm{BaCl}_2$

$\mathrm{MgCl}_2$

$\mathrm{CaCl}_2$

$\mathrm{SrCl}_2$

Question 29: Palette 29/34

TS-EAMCET 2022 MCQ

Potassium superoxide on hydrolysis gives

$\mathrm{K}^{+}+\mathrm{OH}^{-}+\mathrm{O}_2$

$\mathrm{K}^{+}+\mathrm{K}_2 \mathrm{O}+\mathrm{O}_2+\mathrm{OH}^{-}$

$\mathrm{K}^{+}+\mathrm{H}_2 \mathrm{O}_2+\mathrm{O}_2+\mathrm{OH}^{-}$

$\mathrm{K}^{+}+\mathrm{H}_2 \mathrm{O}_2+\mathrm{OH}^{-}$

Question 30: Palette 30/34

TS-EAMCET 2022 MCQ

Lithium nitrate on heating gives

$\mathrm{Li}_2 \mathrm{O}+\mathrm{NO}_2$

$\mathrm{Li}_2 \mathrm{O}+\mathrm{NO}_2+\mathrm{O}_2$

$\mathrm{LiNO}_2+\mathrm{O}_2$

$\mathrm{Li}_2 \mathrm{O}_2+\mathrm{NO}_2+\mathrm{O}_2$

Question 31: Palette 31/34

TS-EAMCET 2020 MCQ

The carbonates of alkaline earth metals decompose on heating to give

I. $\mathrm{CO}_2$

II. Metal oxide

III. $\mathrm{H}_2 \mathrm{O}$

IV. CO

(I), (III) and (IV)

(I) and (II)

(I), (II) and (III)

(II) and (III)

Question 32: Palette 32/34

TS-EAMCET 2020 MCQ

Which of the following statement(s) are correct, when alkali metals burn in the presence of oxygen?

I. Lithium forms monoxide

II. Sodium forms peroxide

III. Potassium, rubidium and cesium forms superoxide

I and II

Only III

I and III

I, II and III

Question 33: Palette 33/34

TS-EAMCET 2020 MCQ

Which halide of alkaline earth metals is covalent in nature and can be soluble in organic solvent, such as ethanol?

$\mathrm{SrCl}_2$

$\mathrm{CaCl}_2$

$\mathrm{BaCl}_2$

$\mathrm{MgCl}_2$

Question 34: Palette 34/34

TS-EAMCET 2020 MCQ

Predict the feasibility of the given reactions in aqueous solution

(i) $\mathrm{Be}(\mathrm{OH})_2+2 \mathrm{OH}^{-} \longrightarrow\left[\mathrm{Be}(\mathrm{OH})_4\right]^{2-}$

(ii) $\mathrm{Be}(\mathrm{OH})_2+2 \mathrm{H}^{+} \longrightarrow\left[\mathrm{Be}(\mathrm{OH})_4\right]^{2+}$

Only (i) is feasible

Only (ii) is feasible

(i) and (ii) are feasible

(i) and (ii) are not feasible

Question Status

Not Visited

Not Answered

Answered

Marked for Review

Question Palette