AP EAPCET 2025 - 23rd May Evening Shift

The correct statement regarding $X$ and $Y$ formed in the following reaction is
\(\left(\mathrm{CH}_3\right)_3 \mathrm{COC}_2 \mathrm{H}_5 \xrightarrow[\Delta]{\mathrm{HI}} \text { halide }(X)+\text { alcohol }(Y)\)

The uncertainty in the velocities of two particles $A$ and $B$ are 0.03 and $0.01 \mathrm{~ms}^{-1}$ respectively. The mass of $B$ is four times to the mass of $A$. The ratio of uncertainties in their positions is

The total maximum number of electrons possible in $3 d$. $6 d, 5 s$ and $4 f$ orbitals with $m_l$ (magnetic quantum number) value -2 is

Consider the following
Statement-I : Cane sugar is a disaccharide of $\alpha$-D-glucose and $\beta$-D-fructose.
Statement-II : Milk sugar is a disaccharide of $\alpha$-D-glucose and $\beta$-D-galactose.
The correct answer is

The deficiency of vitamin $(X)$ causes convulsions. Source of $X$ is $Y$. What are $X$ and $Y$ ?

Consider the following sequence of reactions
$$ \mathrm{C}_6 \mathrm{H}_5 \mathrm{COONa} \xrightarrow[\Delta]{\mathrm{NaOH} / \mathrm{CaO}} X \xrightarrow[\text { Anhy } \cdot \mathrm{AlCl}_3]{\text { CO+ } \mathrm{HCl}} Y \xrightarrow[\tex...

An alkyl bromide $X\left(\mathrm{C}_5 \mathrm{H}_{11} \mathrm{Br}\right)$ undergoes hydrolysis in a two step mechanism $X$ is converted to Grignard reagent and then reacted with $\mathrm{CO}_2$ in dry ether followed by acidification gave $Y...

Identify the set containing isoelectronic species

Identify the pair of molecules which have same hybridisation as the hybridisation in xenon (II) fluoride.

At 298 K , the value of $K_p$ for $\mathrm{N}_2 \mathrm{O}_4(g) \rightleftharpoons 2 \mathrm{NO}_2(g)$ is 0.113 atm . The partial pressure of $\mathrm{N}_2 \mathrm{O}_4$ at equilibrium is 0.2 atm . What is the partial pressure (in atm) of $...

The following equation is obtained for a first order reaction at 300 K
\(\log _{10} \frac{k}{A}=0.00174\)
What is the activation energy (in $\mathrm{J} \mathrm{mol}^{-1}$ ) of the reaction?
$$ \left(R=8314 \mathrm{~J} \mathrm{~mol}^{-1} \...

Which of the following is not an example of synthetic detergent?

Consider the following
Statement-I In the nitration of aniline, more amount of $m$-nitroaniline is formed than expected.
Statement-II In the presence of a strongly acidic medium, aniline is protonated to form anilinium ion, which is meta-di...

\(\text { What is } A \text { in the following reaction? }\)

Identify the complex ion with spin only magnetic moment of 4.90 BM .

When the lead storage battery is in use (during discharge) the reaction that occurs at the anode is

\(\text { Match the following }\)
$$ \begin{array}{cccc} \hline & \begin{array}{c} \text { List-I } \\ \text { (Transition metal, M) } \end{array} & & \begin{array}{c} \text { List-II } \\ \left(E_{M^{2+} / M}^{\ominus}\right) \end{array}...

Which of the following when present in excess in drinking water causes the disease methemoglobinemia?

The most reactive compound towards nucleophilic substitution with an aqueous NaOH is

The empirical formula weight of ' $Z$ ' in the given reaction sequence is
$$ n \text {-propyl bromide } \xrightarrow[\text { Dry ether }]{\mathrm{Na}} X \xrightarrow[\substack{773 \mathrm{~K} \\ 20 \mathrm{~atm}}]{\mathrm{v}_2 \mathrm{O}_5}...

The percentage of ionisation of 1 L of $x \mathrm{M}$ acetic acid is 4.242 and is called solution " $A$ ". The percentage of ionisation of 1 L of $y \mathrm{M}$ acetic acid is 3 and is called solution " $B$ ". Solution " $A$ " is mixed with...

\(\text { IUPAC name of the following compound is }\)

Benzoic acid molecules undergo dimerisation in benzene. 2.44 g of benzoic acid when dissolved in 30 g of benzene caused depression in freezing point of 2 K . What is the percentage of association of it?
(Given $K_f\left(\mathrm{C}_6 \mathrm...

In aqueous glucose solution, the mole fraction of wate is 40 times to mole fraction of glucose. What is the weight percentage $(w / w)$ of glucose in the solution?

Which of the following reactions is an example of roasting?

Identify the incorrect statement about the group 13 elements.

Which of the following statements are correct?
(I) $\mathrm{SnF}_4$ is ionic in nature.
(II) Stability of dihalides of group 14 elements increases down the group.
(III) $\mathrm{GeCl}_2$ is more stable than $\mathrm{GeCl}_4$.

Nature of two oxides of nitrogen $X$ and $Y$ formed in the reaction of sodium nitrite with hydrochloric acid is

The period and group numbers of the element having maximum electronegativity in the long form of periodic table respectively, are

What are $X$ and $Y$ in the following reaction?
\(n \mathrm{ClCH}=\mathrm{CH}_2 \xrightarrow{x} Y\)

$\mathrm{H}_2 \mathrm{O}_2$ reduces $\mathrm{KMnO}_4$ in acidic medium to ' $x$ ' and in basic medium to ' $y$ '. What are $x$ and $y$ ?

Which chloride does not exist as hydrate?

If AgCl is doped with $1 \times 10^{-4}$ mole percent of $\mathrm{CdCl}_2$ the number of cation vacancies (in $\mathrm{mol}^{-1}$ ) is

Complete combustion of ethane gives only gaseous products. In a closed vessel, 15 g of ethane and 112 g of $\mathrm{O}_2$ were allowed to completely react. What is the total number of moles of gaseous substances present in the vessel at the...

An ideal gas mixture of $\mathrm{C}_2 \mathrm{H}_6$ and $\mathrm{C}_2 \mathrm{H}_4$ occupies a volume of 28 L at 1 atm and 273 K . This mixture reacts completely with 128 g of $\mathrm{O}_2$ to produce $\mathrm{CO}_2$ and $\mathrm{H}_2 \mat...

Choose the incorrect statement from the following.

Adsorption of a gas on solids follows Freundlich adsorption isotherm. The graph drawn between $\log \frac{x}{m}$ (on $y$-axis) and $\log p$ (on $x$-axis) is a straight line with slope equal to 3 and intercept equal to 0.30 . What is the val...

\(\text { Match the following }\)


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Identify the incorrect statements from the following.
I. For adiabatic process, $\Delta U=w_{\text {ad }}$
II. Enthalpy is an intensive property
III. For the process, $\mathrm{H}_2 \mathrm{O}(l) \rightarrow \mathrm{H}_2 \mathrm{O}(s)$, the ...

Enthalpy of formation of $\mathrm{CO}_2(\mathrm{~g}), \mathrm{H}_2 \mathrm{O}(\mathrm{l})$ and $\mathrm{C}_6 \mathrm{H}_{12} \mathrm{O}_6(\mathrm{~s})$ are $-393,-286$ and $-1170 \mathrm{~kJ} \mathrm{~mol}^{-1}$ respectively. The quantity o...