AP EAPCET 2025 - 27th May Morning Shift

An alcohol, $X\left(\mathrm{C}_5 \mathrm{H}_{12} \mathrm{O}\right)$ in the presence of $\mathrm{Cu} / 573 \mathrm{~K}$ gives $Y\left(\mathrm{C}_5 \mathrm{H}_{10}\right)$. The reactants required for the preparation of $X$ are

A carbonyl compound $X\left(\mathrm{C}_8 \mathrm{H}_8 \mathrm{O}\right)$ undergoes disproportionation with conc. KOH on heating. Product of $X$ with $\mathrm{Zn}-\mathrm{Hg} / \mathrm{HCl}$ is $Y$ and product of $X$ with $\mathrm{NaBH}_4$ i...

What is the major product $Y$ in the following reaction sequence?

What are $X$ and $Y$ respectively in the following sets of reactions?

The wavelength of a particular electron transition for $\mathrm{He}^{+}$is 100 nm . The wavelength (in $\AA$ ) of H atom for the same transition is

The energy of second Bohr orbit of hydrogen atom is -3.4 eV . The energy of the fourth Bohr orbit of the $\mathrm{He}^{+}$ ion will be

Which of the following statement is not correct for glucose?

Which of the following represents the correct structure of $\beta-D-(-)$ - fructofuranose?

\(\text { Which of the following sets are correctly matched? }\)
$$ \begin{array}{llll} \hline & \text { Molecule } & \text { Hybridisation } & \text { Geometry } \\ \hline \text { I. } & \mathrm{BrF}_5 & s p^3 d^2 & \text { Square pyrami...

The order of dipole moments of $\mathrm{H}_2 \mathrm{O}(A), \mathrm{CHCl}_3(B)$ and $\mathrm{NH}_3(C)$ is

Consider the following equilibrium reaction in gaseous state at $T(\mathrm{~K})$.
\(A+2 B \rightleftharpoons 2 C+D\)
The initial concentration of $B$ is 1.5 times that of $A$. At equilibrium, the concentrations of $A$ and $B$ are equal. T...

For a reaction, the graph of $\ln k$ (on $y$-axis) and $\frac{1}{T}$ (on $x$-axis) is a straight line with a slope $-2 \times 10^4 \mathrm{~K}$. The activation energy of the reaction (in $\mathrm{kJ} \mathrm{mol}^{-1}$ ) is ( $R=8.3 \mathrm...

The synthetic detergent used in tooth paste is of type $X$. Animal starch is $Y . X$ and $Y$ respectively are

What are $X$ and $Y$ respectively in the following set of reactions?

What are $B$ and $C$ respectively in the following set of reactions?

Identify the set which does not have ambidentate ligand(s)

Observe the following statements about dry cell
I. It is a primary battery.
II. Zinc vessel acts as cathode.
III. A paste of moist $\mathrm{NH}_4 \mathrm{Cl}, \mathrm{MnO}_2$ and $\mathrm{ZnCl}_2$, is present between two electrodes
IV. The ...

Which of the following statements is not correct?

Identify the two reactions $A(\mathrm{I} \rightarrow \mathrm{II})$ and $B(\mathrm{I} \rightarrow \mathrm{III})$ respectively in the following set of reactions.

Consider the sets I, II and III. Identify the set(s) which is (are) correctly matched.
I. Staggered ethane > eclipsed ethane ..........torsional strain.
II. 2, 2-dimethylbutane > 2-methylpentane ......... boiling point
III. cis-but-2-ene > ...

Consider the following.
Statement $\mathrm{IH}_2 \mathrm{O}_2$ acts as an oxidising as well as reducing agent in both acidic and basic mediim.
Statement $\mathrm{II} 10 \mathrm{~V} \mathrm{H}_2 \mathrm{O}_2$ sample means it contains $6 \% \...

At $T(\mathrm{~K}) K_{\mathrm{sp}}$ of two ionic salts $M X_2$ and $M X$ is $5 \times 10^{-13}$ and $1.6 \times 10^{-11}$ respectively. The ratio of molar solubility of $M X_2$ and $M X$ is

A solution is prepared by adding 124 g of ethylene glycol (molar mass $=62 \mathrm{~g} \mathrm{~mol}^{-1}$ ) to $x \mathrm{~g}$ of water to get 10 m solution. What is the value of $x$ (in g )?

The following graph is obtained for an ideal solution containing a non-volatile solute $x$-and $y$-axis represent, respectively

The metal purified by Mond process is $X$. The number of unpaired electrons in $X$ is

Select the correct statements from the following
(A) Aluminium liberates $\mathrm{H}_2$ gas with dil. HCl but not with aqueous NaOH .
(B) Formula of sodium metaborate is $\mathrm{Na}_3 \mathrm{BO}_3$.
(C) Boric acid is a weak monobasic acid...

The number of amphoteric oxides from the following is $\mathrm{CO}_2, \mathrm{GeO}_2, \mathrm{SnO}_2, \mathrm{PbO}_2$, $\mathrm{CO}, \mathrm{GeO}, \mathrm{SnO}, \mathrm{PbO}$

Complete hydrolysis of xenon hexafluoride gives HF along with compound $X$. The hybridisation in $X$ is

\(\text { Observe the following data : }\)
$$ \begin{array}{lllll} \hline \text { Ion } & Q^{a+} & X^{b+} & Y^{c+} & Z^{\alpha+} \\ \hline \text { Radius (pm) } & 53 & 66 & 40 & 100 \\ \hline \end{array} $$
$Q^{a+}, X^{b+}, Y^{c+}, Z^{d+}...

The number of linear and crosslinked polymers in the following respectively are
Novolac, Nylon 6,6, Bakelite, PVC, melamine

Identify the correct statements about the following stoichiometric equation.
\(a \mathrm{P}_4+b^{-} \mathrm{OH}+c \mathrm{H}_2 \mathrm{O} \longrightarrow d \mathrm{PH}_3+e \mathrm{H}_2 \mathrm{PO}_2^{-}\)
I. $a+b+c=5$
II. $b+c-e=3$
III. T...

$\mathrm{KMnO}_4$ oxidises hydrogen sulphide in acidic medium, The number of moles of $\mathrm{KMnO}_4$ which react with one mole of hydrogen sulphide is

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.

The crystal system with edge lengths $a \neq b \neq c$ and axial angles $\alpha=\beta=\gamma=90^{\circ}$ is ' $x$ ' and number of Bravais lattices for it is ' $y$ '. $x$ and $y$ are

Identify the correct statements from the following:
I. Glass is an extremely viscous liquid.
II. Increase in temperature decreases the surface tension of liquids.
III. Compressibility factor for an ideal gas is zero.

Identify the correct graph for an ideal gas $(y$-axis $=$ compressibility factor, $Z: x$-axis $=$ pressure, $p)$

Match the following

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The critical micelle concentration (CMC) of a soap solution is $5 \times 10^{-4} \mathrm{~mol} \mathrm{~L}^{-1}$. Identify the correct statements about this solution.
I. The micelle is stable if the soap solution concentration is $10^{-7} \...

1 mole of an ideal gas is allowed to expand isothermally and reversibly from $\mathrm{1L}$ to 5 L at 300 K . The change in enthalpy (in kJ ) is $\left(R=8.3 \mathrm{JK}^{-1} \mathrm{~mol}^{-1}\right)$

5 moles of a gas is allowed to pass through a series of changes as shown in the graph, in a cyclic process. The processes $C \rightarrow A, B \rightarrow C$ and $A \rightarrow B$ respectively are