p-Block Elements PYQs - Last 5 Years
TS EAMCET / Chemistry / Inorganic Chemistry / 99 recent questions
ChemistryInorganic Chemistry2021-2025
Practice 99 TS EAMCET Chemistry questions from p-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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2022-2025
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Last 5 Years p-Block Elements Questions
Showing 49 of 99 filtered questions.
1P Block Elements
Among the hydrides of group 16 elements, the hydride $X$ has lowest boiling point and the hydride $Y$ has highest boiling point. $X$ and $Y$ respectively are
MCQ+1 / -02023
2P Block Elements
Zeolite is a silicate of two metal ions $X$ and $Y . X$ and $Y$ are respectively
MCQ+1 / -02023
3P Block Elements
Choose the correct statement from the following with reference to inert pair effect.
MCQ+1 / -02023
4P Block Elements
Kernite and cryolite are the minerals of two elements $X$ and $Z$. Respectively $X$ and $Z$ are
MCQ+1 / -02023
5P Block Elements
Identify the correct orders from the following with respect to the property associated with
A. $\mathrm{NH}_3>\mathrm{PH}_3>\mathrm{AsH}_3>\mathrm{SbH}_3-$ Bond angle
B. $\mathrm{NH}_3>\mathrm{PH}_3>\mathrm{AsH}_3>\mathrm{SbH}_3-$ Basic cha...
A. $\mathrm{NH}_3>\mathrm{PH}_3>\mathrm{AsH}_3>\mathrm{SbH}_3-$ Bond angle
B. $\mathrm{NH}_3>\mathrm{PH}_3>\mathrm{AsH}_3>\mathrm{SbH}_3-$ Basic cha...
MCQ+1 / -02023
6P Block Elements
What is the correct order of melting temperature of $\mathrm{C}, \mathrm{Si}, \mathrm{Ge}$ ?
MCQ+1 / -02023
7P Block Elements
Which oxo-acid of sulphur contains $\mathrm{S}-\mathrm{O}-\mathrm{S}$ bond?
MCQ+1 / -02023
8P Block Elements
Which one of the following statements is correct?
MCQ+1 / -02023
9P Block Elements
Identify the correct pairs in which the chemical substance given is correctly matched its use
Chemical substance
Use
A.
Cl
2
Chemical substance
Use
A.
MCQ+1 / -02023
10P Block Elements
Identify the correct statements from the following.
A. In photosynthesis reaction, water is oxidised to oxygen.
B. An example for interstitial hydride is $\mathrm{MgH}_2$.
C. Sodium hexametaphosphate is used in the removal of permanent hard...
A. In photosynthesis reaction, water is oxidised to oxygen.
B. An example for interstitial hydride is $\mathrm{MgH}_2$.
C. Sodium hexametaphosphate is used in the removal of permanent hard...
MCQ+1 / -02023
11P Block Elements
Consider the following statements about group 13 elements.
A. $\mathrm{AlCl}_3$ gets stability by forming a dimer.
B. $\mathrm{BCl}_3$ is an electron deficient molecule.
C. $E_{M^{3+} / M}^{\circ}(\mathrm{V})$ is +1.26 for aluminium.
D. In ...
A. $\mathrm{AlCl}_3$ gets stability by forming a dimer.
B. $\mathrm{BCl}_3$ is an electron deficient molecule.
C. $E_{M^{3+} / M}^{\circ}(\mathrm{V})$ is +1.26 for aluminium.
D. In ...
MCQ+1 / -02023
12P Block Elements
The oxidation state of sulphur atoms and numbers of $\mathrm{S}-\mathrm{OH}$ bonds in peroxydisulphuric acid are respectively
MCQ+1 / -02023
13P Block Elements
The nitrate of which of the following metals does mot liberate $\mathrm{NO}_2$ gas on heating?
MCQ+1 / -02023
14P Block Elements
Consider the reaction,
\(\mathrm{P}_4+3 \mathrm{NaOH}+3 \mathrm{H}_2 \mathrm{O} \longrightarrow Q+3 \mathrm{NaH}_2 \mathrm{PO}_2\)
Identify the reaction in which $Q$ is not the product. (equations are not balanced)
\(\mathrm{P}_4+3 \mathrm{NaOH}+3 \mathrm{H}_2 \mathrm{O} \longrightarrow Q+3 \mathrm{NaH}_2 \mathrm{PO}_2\)
Identify the reaction in which $Q$ is not the product. (equations are not balanced)
MCQ+1 / -02023
15P Block Elements
What are the correct statements about the elements of group 13 given below?
(I) The stability of +1 oxidation state follows the order $\mathrm{Tl}>\mathrm{In}>\mathrm{Ga}$.
(II) Boron has the lowest melting point and boiling point as it is ...
(I) The stability of +1 oxidation state follows the order $\mathrm{Tl}>\mathrm{In}>\mathrm{Ga}$.
(II) Boron has the lowest melting point and boiling point as it is ...
MCQ+1 / -02023
16P Block Elements
The dioxides and monoxides of elements $X$ and $Y$ are amphoteric in nature. $X$ and $Y$ are respectively
MCQ+1 / -02023
17P Block Elements
Which of the following reaction represents Deacon's method?
MCQ+1 / -02023
18P Block Elements
Assertion (A) : In group 15 elements nitrogen does not form pentahalides.
Reason (R) : Nitrogen can exhibit +5 oxidation state.
The correct option among the following is
Reason (R) : Nitrogen can exhibit +5 oxidation state.
The correct option among the following is
MCQ+1 / -02023
19P Block Elements
Assertion $(\mathrm{A})\left[\mathrm{B}\left(\mathrm{OH}_2\right)_6\right]^{3+}$ and $\left[\mathrm{B}(\mathrm{OH})_4\right]^{-}$form octahedral and tetrahedral structures.
Reason (R) Being electron deficient, boron readily reacts with Lewi...
Reason (R) Being electron deficient, boron readily reacts with Lewi...
MCQ+1 / -02022
20P Block Elements
The chemical structures of $\mathrm{XeO}_3$ and $\mathrm{XeOF}_4$, respectively, are
MCQ+1 / -02022
21P Block Elements
The minimum temperature required for a non-catalytic reaction between $\mathrm{N}_2$ and $\mathrm{O}_2$ is
MCQ+1 / -02022
22P Block Elements
Assertion (A) Both rhombic and monoclinic sulphur have $\mathrm{S}_8$ molecules.
Reason (R) They have planar structure.
The correct option among the following is
Reason (R) They have planar structure.
The correct option among the following is
MCQ+1 / -02022
23P Block Elements
In the following, the oxoacid with a peroxy bond is
MCQ+1 / -02022
24P Block Elements
The correct order of enthalpy of vaporisation of noble gases is
MCQ+1 / -02022
25P Block Elements
Chlorine is allowed to react with excess of ammonia. In this, 1 mole of chlorine can oxidise ' $Z$ ' moles of $\mathrm{NH}_3$. ' $Z$ ' is
MCQ+1 / -02022
26P Block Elements
The element that does not show catenation is
MCQ+1 / -02022
27P Block Elements
A black coloured element with $n s^2 n p^1$ outer electronic configuration cannot react with air in its crystalline form. However, in amorphous form, it gives an oxide in air which is acidic in nature. Identify the element.
MCQ+1 / -02022
28P Block Elements
A nitrogen oxide that forms "in situ" when dilute $\mathrm{FeSO}_4$ is treated with aqueous solution of nitrate ion and then careful addition of conc. $\mathrm{H}_2 \mathrm{SO}_4$ along the sides of test tube, is
MCQ+1 / -02022
29P Block Elements
Phosphorus and phosphoric acids are, respectively,
............... acids.
............... acids.
MCQ+1 / -02022
30P Block Elements
The correct decreasing order of the following ' Xe ' compounds to act as both fluorinating and oxidising agent is
(i) $\mathrm{XeF}_6$
(ii) $\mathrm{XeF}_4$
(iii) $\mathrm{XeF}_2$
(i) $\mathrm{XeF}_6$
(ii) $\mathrm{XeF}_4$
(iii) $\mathrm{XeF}_2$
MCQ+1 / -02022
31P Block Elements
\(\text { Match the following. }\)
$$ \begin{array}{lcll} \hline & \text { Column-I (Molecule) } & & \text { Column-II (Colour) } \\ \hline \text { (A) } & \mathrm{F}_2 & \text { (I) } & \text { Red } \\ \hline \text { (B) } & \mathrm{Cl}...
$$ \begin{array}{lcll} \hline & \text { Column-I (Molecule) } & & \text { Column-II (Colour) } \\ \hline \text { (A) } & \mathrm{F}_2 & \text { (I) } & \text { Red } \\ \hline \text { (B) } & \mathrm{Cl}...
MCQ+1 / -02022
32P Block Elements
The acidic oxide from the following is
MCQ+1 / -02022
33P Block Elements
The correct order of Lewis acidic character of boron trihalides is
MCQ+1 / -02022
34P Block Elements
For the reaction, $\mathrm{Br}_2+\mathrm{F}_2$ (excess) ⟶ P , the molecular formula and structure of P , respectively, are
MCQ+1 / -02022
35P Block Elements
The oxoacid of phosphorus which contains $4 \mathrm{P}-\mathrm{O}-\mathrm{H}, 2 \mathrm{P}=\mathrm{O}$ and one $\mathrm{P}-\mathrm{O}-\mathrm{P}$ bond is
MCQ+1 / -02022
36P Block Elements
$\mathrm{Al}+$ aq. NaOH (excess) $\longrightarrow P+Q \cdot P$ and $Q$ are
MCQ+1 / -02022
37P Block Elements
Group 16 elements are also called
MCQ+1 / -02022
38P Block Elements
In the following reaction, $a, b, p, q, r$ and $s$ are $a \mathrm{XeF}_4+b \mathrm{H}_2 \mathrm{O} \longrightarrow p \mathrm{Xe}+q \mathrm{XeO}_3+r \mathrm{HF}+s \mathrm{O}_2$
MCQ+1 / -02022
39P Block Elements
Among the following elements, $X$ exhibits maximum catenation and $Y$ is the least abundant on earth. $X$ and $Y$ elements are
MCQ+1 / -02022
40P Block Elements
In which of the following reactions there is no liberation of nitrogen gas
MCQ+1 / -02022
41P Block Elements
The relative order of electronegativity of $\mathrm{C}, \mathrm{Ge}$, and Pb is
MCQ+1 / -02022
42P Block Elements
Aluminium when treated with aqueous NaOH , liberates a gaseous molecule majorly. The gas is
MCQ+1 / -02022
43P Block Elements
The correct order of boiling points of $\mathrm{H}_2 \mathrm{O}, \mathrm{H}_2 \mathrm{~S}, \mathrm{H}_2 \mathrm{Se}$ and $\mathrm{H}_2$ Te respectively is
MCQ+1 / -02022
44P Block Elements
Which of the following is not a mineral of fluorine?
MCQ+1 / -02022
45P Block Elements
The element that even can diffuse through silica glass is
MCQ+1 / -02022
46P Block Elements
The total number of paramagnetic gaseous products formed in all the following reactions $[A+B+C]$ are
(A) $\mathrm{NH}_4 \mathrm{NO}_3 \xrightarrow{\Delta}$ Products
(B) $\mathrm{NaNO}_2+\mathrm{H}_2 \mathrm{SO}_4 \longrightarrow$ Products
...
(A) $\mathrm{NH}_4 \mathrm{NO}_3 \xrightarrow{\Delta}$ Products
(B) $\mathrm{NaNO}_2+\mathrm{H}_2 \mathrm{SO}_4 \longrightarrow$ Products
...
MCQ+1 / -02022
47P Block Elements
The main products $P$ and $Q$ of the following unbalanced disproportionation reaction $\mathrm{Se}_2 \mathrm{Cl}_2 \longrightarrow P+Q$ are
MCQ+1 / -02022
48P Block Elements
The correct order of acidity of $\mathrm{HClO}, \mathrm{HBrO}$ and HIO is
MCQ+1 / -02022
49P Block Elements
When aluminium chloride is dissolved in water, it gives
MCQ+1 / -02022