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TG EAPCET 2025 (Online) 4th May Evening Shift

TS EAMCET / 160 questions

2025Sun, May 4, 2025 9:30 AM160 PYQs
1Alcohol Phenols And Ethers
An alochol $X\left(\mathrm{C}_5 \mathrm{H}_{12} \mathrm{O}\right)$ produces turbidity instantly with conc. $\mathrm{HCl} / \mathrm{ZnCl}_2$. Isomer $(Y)$ of $X$ undergoes dehydration with conc. $\mathrm{H}_2 \mathrm{SO}_4$ at $443 \mathrm{~...
MCQ+1 / -02025
2Alcohol Phenols And Ethers
\(\text { What are } X \text { and } Y \text { in the following reaction sequence? }\)
\(\text { Isopentane } \xrightarrow{\mathrm{KMnO}_4} X \xrightarrow[358 \mathrm{~K}]{20 \% \mathrm{H}_3 \mathrm{PO}_4} Y\)
MCQ+1 / -02025
3Aldehyde And Ketone
Toluene on reaction with reagent $A$ gives $X$. This $(X)$ forms 2, 4 dinitrophenylhydrazone and reduces ammoniacal silver nitrate solution. Reaction of toluene with another reagent $B$ forms $Y$, which dissolves in $\mathrm{NaHCO}_3$ with ...
MCQ+1 / -02025
4Aldehyde And Ketone
\(\text { Observe the following set of reactions }\)

\(\text { What are } X, Y \text { and } Z \text { respectively }\)
MCQ+1 / -02025
5Atomic Structure
In hydrogen atom, an electron is transferred from an orbit of radius 1.3225 nm to another orbit of radius 0.2116 nm . What is the energy (in J ) of emitted radiation?
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6Atomic Structure
Observe the following statements.
Statement -I Rutherford model of an atom cannot explain the stability of an atom.
Statement-II The wavelength of X-rays is higher than the wavelength of microwaves.
The correct answer is
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7Biomolecules
Amino acid ' $X$ ' contains phenolic hydroxy group and amino acid ' $Y$ ' contains amide group. ' $X$ ' and ' $Y$ ' respectively are
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8Carboxylic Acids And Its Derivatives
Consider the following set of reactions
What are $A$ and $B$ respectively?
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9Carboxylic Acids And Its Derivatives
What are $X$ and $Y$ respectively in the following reactions?
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10Chemical Bonding And Molecular Structure
The sets of molecules in which central atom has no lone pair of electrons are
I. $\mathrm{SnCl}_2, \mathrm{NH}_3, \mathrm{SF}_4$
II. $\mathrm{HgCl}_2, \mathrm{SO}_3, \mathrm{SF}_6$
III. $\mathrm{BeCl}_2 \mathrm{BF}_3, \mathrm{PCl}_5$
IV. $\...
MCQ+1 / -02025
11Chemical Bonding And Molecular Structure
The atomic numbers of the elements $X, Y, Z$ are $a, a+1, a+2$ respectively. $Z$ is an alkali metal. The nature of bonding in the compound formed by $X$ and $Z$ is
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12Chemical Bonding And Molecular Structure
The number of lone pairs of electrons on the central atom of $\mathrm{XeO}_3, \mathrm{XeOF}_4$ and $\mathrm{XeF}_6$ respectively is
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13Chemical Equilibrium
At $T(\mathrm{~K}), K_p$ value for the reaction,
\(2 \mathrm{AO}_2(\mathrm{~g})+\mathrm{O}_2(\mathrm{~g}) \rightleftharpoons 2 \mathrm{AO}_3(\mathrm{~g}) \text { is } 4 \times 10^{10},\)
What is the $K_p^{\prime}$ value for
$$ 2 \mathrm{A...
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14Chemical Kinetics
$A \rightarrow P$ is a first order reaction. At 300 K this reaction was started with $[A]=0.5 \mathrm{~mol} \mathrm{~L}^{-1}$.
The rate constant of reaction was $0.125 \mathrm{~min}^{-1}$. The same reaction was started separately with $[A]=...
MCQ+1 / -02025
15Chemistry In Everyday Life
The chemical $X$ is used in the prevention of heart attack. The structure of $X$ is
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16Coordination Compounds
\(\text { Observe the following complex ions }\)
$$ \begin{array}{cccc} \hline\left[\mathrm{Mn}(\mathrm{CN})_6\right]^{3-} & {\left[\mathrm{Fe}(\mathrm{CN})_6\right]^{3-}} & {\left[\mathrm{CoF}_6\right]^{3-}} & {\left[\mathrm{Co}\left(\ma...
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17D And F Block Elements
The pair of ions with paramagnetic nature and same number of electrons is
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18Electrochemistry
The order of negative standard potential values of Li, $\mathrm{Na}, \mathrm{K}$ is
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19Electrochemistry
At 298 K the equilibrium constant for the reaction $M(s)+2 \mathrm{Ag}^{+}(a q) \longrightarrow M^{2+}(a q)+2 \mathrm{Ag}(s)$ is $10^{15}$. What is the $E_{\text {cell }}^{\ominus}$ (in V) for this reaction?
$$ \left(\frac{2.303 R T}{F}\rig...
MCQ+1 / -02025
20Environmental Chemistry
Observe the following statements
Statement I The carbon containing components of photochemical smog are acrolein, methanal and PAN. Statement II The number of greenhouse gases in the list given below is 5 .
$$ \mathrm{CH}_4, \mathrm{CO}_2, ...
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21General Organic Chemistry
The condensed, bond line and complete formulae of $n$-butane are respectively.
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22Haloalkanes And Haloarenes
\(\text { Observe the following reactions }\)

The correct order of reactivity of $X, Y, Z$ towards $\mathrm{S}_{\mathrm{N}} 1$ reaction is
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23Hydrocarbons
' $X$ ' is the isomer of $\mathrm{C}_6 \mathrm{H}_{14}$. It has four primary carbons and two tertiary carbons, ' $X$ ' can be prepared from which of the following reactions?
MCQ+1 / -02025
24Hydrocarbons
$$ \begin{aligned} &\text { What are } X \text { and } Y \text { in the following reaction sequence? }\\ &\mathrm{C}_5 \mathrm{H}_{12} \mathrm{O} \xrightarrow[573 \mathrm{~K}]{\mathrm{Cu}} \mathrm{C}_5 \mathrm{H}_{10} \xrightarrow[\text { (...
MCQ+1 / -02025
25Metallurgy
Composition of siderite ore is
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26P Block Elements
Which of the following statements is not correct?
MCQ+1 / -02025
27P Block Elements
Which of the following statements is not correct regarding the gas evolved by the reaction of dilute HCl on $\mathrm{CaCO}_3$ ?
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28P Block Elements
In which of the following reactions, hydrogen is evolved?
I. Reaction of sodium borohydride with iodine
II. Oxidation of diborane
III. Reaction of boron trifluoride with sodium hydride
IV. Hydrolysis of diborane
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29P Block Elements
Which of the following gives more number of oxides on reacting with HCl ?
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30Periodic Table And Periodicity
Identify the correct orders regarding atomic radii
(i) $\mathrm{Cl}>\mathrm{F}>\mathrm{Li}$
(ii) $\mathrm{P}>\mathrm{C}>\mathrm{N}$
(iii) $\mathrm{Tm}>\mathrm{Sm}>\mathrm{Eu}$
(iv) $\mathrm{Sr}>\mathrm{Ca}>\mathrm{Mg}$
MCQ+1 / -02025
31Periodic Table And Periodicity
\(\text { Match the following }\)
$$ \begin{array}{cccc} \hline & \text { List-I (Elements) } & & \text { List-II (Group) } \\ \hline \text { A } & \mathrm{Mn}, \mathrm{Tc}, \mathrm{Re} & \text { I } & 12 \\ \hline \text { B } & \mathrm{Z...
MCQ+1 / -02025
32Polymers
The polymer chains are held together by hydrogen bonding in a polymer $X$. Polymer $X$ is formed from monomers $Y$ and $Z$. What are $Y$ and $Z$ ?
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33Redox Reactions
100 mL of $0.05 \mathrm{M} \mathrm{Cu}^{2+}$ aqueous solution is added to IL of 0.1 M KI solution. The number of moles of $\mathrm{I}_2$ and $\mathrm{Cu}_2 \mathrm{I}_2$ formed are respectively.
MCQ+1 / -02025
34S Block Elements
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
MCQ+1 / -02025
35S Block Elements
Which of the following statements is not correct?
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36Solid State
A metal ( $M$ ), crystallises in fcc lattice with edge length of $4.242 \mathop {\rm{A}}\limits^{\rm{o}}$. What is the radius of $M$ atom (in $\mathop {\rm{A}}\limits^{\rm{o}}$ )?
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37Some Basic Concepts Of Chemistry
A solid mixture weighing 5 g contains equal number of moles of $\mathrm{Na}_2 \mathrm{CO}_3$ and NaHCO . This solid mixture was dissolved in 1 L of water. What is the volume (in mL ) of 0.1 M HCl required to completely react with this 1 L m...
MCQ+1 / -02025
38States Of Matter
The isobars of one mole of an ideal gas were obtained at three different pressure ( $p_1, p_2$ and $p_3$ ). The slopes of these isobars are $m_1, m_2$ and $m_3$ respectively. If $p_1 < p_2 < p_3$, then the correct relation of the slopes is
MCQ+1 / -02025
39Surface Chemistry
Observe the following reaction
I. $\mathrm{CO}(\mathrm{g})+\mathrm{H}_2(\mathrm{~g}) \xrightarrow{X} \mathrm{HCHO}(\mathrm{g})$
II. $\mathrm{CO}(\mathrm{g})+3 \mathrm{H}_2(\mathrm{~g}) \xrightarrow{\gamma} \mathrm{CH}_4(\mathrm{~g})+\mathrm...
MCQ+1 / -02025
40Thermodynamics
The $C_p$ of an ideal gas is $10314 \mathrm{Jmol}^{-1} \mathrm{~K}^{-1}$. One mole of this gas is expanded against a constant pressure of $p \mathrm{~atm}$. The change in temperature during expansion is 1.0 K . The value of $q$ (in J ) and ...
MCQ+1 / -02025
41Application Of Derivatives
Consider all functions given in List I in the interval [1,3]. The list II has the value of ' $c$ ' obtained by applying Lagrange's mean value theorem on the function of List I . Match the function and values of ' c '
$$ \begin{array}{llll} ...
MCQ+1 / -02025
42Application Of Derivatives
The function $f(x)=2 x^3-9 a x^2+12 a^2 x+1$ where $a>0$ attains its local maximum and local minimum at $p$ and $q$ respectively. If $p^2=q$, then $a=$
MCQ+1 / -02025
43Application Of Derivatives
If the percentage error in the radius of a circle is 3 , then the percentage error in its area is
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44Application Of Derivatives
If local maximum of $f(x)=\frac{a x+b}{(x-1)(x-4)}$ exists at $(2,-1)$, then $a+b=$
MCQ+1 / -02025
45Application Of Derivatives
For the curve $\frac{x^n}{a^n}+\frac{y^n}{b^n}=2,(n \in N$ and $n>1)$ the line $\frac{x}{a}+\frac{y}{b}=2$ is
MCQ+1 / -02025
46Application Of Derivatives
$f(x)=x^2-2(4 k-1) x+g(k)>0, \forall x \in R$ and for $k \in(a, b)$. If $g(k)=15 k^2-2 k-7$, then
MCQ+1 / -02025
47Application Of Derivatives
The height of a cone with semi-vertical angle $\frac{\pi}{3}$ is increasing at the rate of 2 units $/ \mathrm{min}$. The rate at which the radius of the cone is to be decreased so as to have a fixed volume always is
MCQ+1 / -02025
48Area Under The Curves
The area of the region bounded by $y=x^3, X$-axis, $x=-2$ and $x=4$ is
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49Binomial Theorem
Numerically greatest term in the expansion of $(3 x-4 y)^{23}$ when $x=\frac{1}{6}$ and $y=\frac{1}{8}$ is
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50Binomial Theorem
Let $K$ be the number of rational terms in the expansion of $(\sqrt{2}+\sqrt[3]{3})^{6144}$. If the coefficient of $x^P(P \in N)$ in the expansion of $\frac{1}{(1+x)\left(1+x^2\right)\left(1+x^4\right)\left(1+x^8\right)\left(1+x^{16}\right)...
MCQ+1 / -02025

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