AP EAPCET 2024 - 20th May Morning Shift

Consider the following reactions,

$Y$ and $Z$ respectively are

\(\text { Consider the reactions, }\)

\(\text { The incorrect statement about ' } B \text { ' is }\)

\(\text { The incorrect statement about } B \text { is }\)

The angular momentum of an electron in a stationary state of $\mathrm{Li}^{2+}(Z=3)$ is $3 h / \pi$. The radius and energy of that stationary state are respectively

Identify the pair of elements in which number of electrons in ( $n-1$ ) shell is same

The number of essential and non-essential amino acids from the following list respectively is
Val, Gly, Leu, Lys, Pro, Ser

\(\text { Benzamide } \xrightarrow{\mathrm{Br}_2 / \mathrm{NaOH}} X \xrightarrow[\text { Alc. } \mathrm{KOH}]{\mathrm{CHCl}_3} Y\)
The conversion of $X$ to $Y$ is

When glucose is oxidised with nitric acid the compound formed is

The bond angles $b_1, b_2$ and $b_3$ in the given structure are respectively (in ${ }^{\circ}$ )

The correct order of bond angles of the molecules $\mathrm{SiCl}_4, \mathrm{SO}_3, \mathrm{NH}_3, \mathrm{HgCl}_2$ is

\(\text { Observe the following structure, }\)

\(\text { The formal charges on the atoms 1,2,3 respectively are }\)

$K_C$ for the reaction, $A_2(g) \stackrel{T(\mathrm{~K})}{\rightleftharpoons} B_2(g)$ is 99.0 . In a 1 L closed flask two moles of $B_2(g)$ is heated to $T(\mathrm{~K})$. What is the concentration of $B_2(g)\left(\right.$ in $\left.\mathrm{...

For a first order reaction the concentration of reactant was reduced from $0.03 \mathrm{molL}^{-1}$ to $0.02 \mathrm{molL}^{-1}$ in 25 min . What is its rate (in $\mathrm{molL}^{-1} \mathrm{~s}^{-1}$ )?

Which of the following pair is not correctly matched?

The two reactions involved in the conversion of benzene diazonium chloride to diphenyl are respectively

The paramagnetic complex ion, which has no unpaired electrons in $t_{2 g}$ orbitals is

Which transition metal does not form 'MO' type oxide? ( $M=$ transition metal)

Aqueous $\mathrm{CuSO}_4$ solution was electrolysed by passing 2 amp of current for 10 min . What is the weight (in g) of copper deposited at cathode ?
\(\left(\mathrm{Cu}=63 \mathrm{u} ; F=96500 \mathrm{C} \mathrm{~mol}^{-1}\right)\)

\(\text { Match the following. }\)

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The number of nucleophiles in the following list is
\(\mathrm{CH}_3 \mathrm{NH}_2, \mathrm{CH}_3 \mathrm{CHO}, \mathrm{C}_2 \mathrm{H}_4, \mathrm{CH}_3 \mathrm{SH}\)

An alkene $X\left(\mathrm{C}_4 \mathrm{H}_8\right)$ on reaction with HBr gave $Y\left(\mathrm{C}_4 \mathrm{H}_9 \mathrm{Br}\right)$. Reaction of $Y$ with benzene in the presence of anhydrous $\mathrm{AlCl}_3$ gave Z which is resistant to ox...

An alkene $X\left(\mathrm{C}_4 \mathrm{H}_8\right)$ does not exhibit cis-trans is memerisn Reaction of $X$ with $\mathrm{Br}_2$ in the presence of UV light gane $Y$. What is $Y$ ?

At $27^{\circ} \mathrm{C}, 100 \mathrm{~mL}$ of 0.4 M HCl is mixed with 100 mL of 0.5 M NaOH solution. To the resultant solution, 800 mL of distilled water is added. What is the pH of final solution?

The osmotic pressure of sea water is 1.05 atm . Four experiments were carried as shown in table. In which of the following experiments, pure water can be obtained in part-II of vessel.


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The reactions which occur in blast furnace at $500-800 \mathrm{~K}$ during extraction of iron from haematite are
i. $3 \mathrm{Fe}_2 \mathrm{O}_3+\mathrm{CO} \longrightarrow 2 \mathrm{Fe}_3 \mathrm{O}_4+\mathrm{CO}_2$
ii. $\mathrm{Fe}_2 \ma...

Which of the following reactions give phosphine?
i. Reaction of calcium phosphide with water
ii. Heating white phosphorous with concentrated NaOH solution in inert atmosphere
iii. Heating red phosphorous with alkali

' $X$ ' on hydrolysis gives two products. One of them is solid. What is ' $X$ '?

\(\text { Match the following. }\)

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Which of the following oxides is acidic in nature?

\(\text { Which of the following is an example for fibre? }\)

Given below are two statements.
Statement I : In the decomposition of potassium chlorate Cl is reduced.
Statement II : Reaction of Na with $\mathrm{O}_2$ to form $\mathrm{Na}_2 \mathrm{O}$ is a redox reaction.
The correct answer is

$\mathrm{Ba}, \mathrm{Ca}$ and Sr form halide hydrates. Their formulae are $\mathrm{BaCl}_2 \cdot x \mathrm{H}_2 \mathrm{O}, \mathrm{CaCl}_2 \cdot y \mathrm{H}_2 \mathrm{O} \cdot \mathrm{SrCl}_2 \cdot z \mathrm{H}_2 \mathrm{O}$. The value o...

A solid compound is formed by atoms of $A$ (cations), $B$ (cations) and O (anions). Atoms of O form hcp lattice. Atoms of $A$ occupy $25 \%$ of tetrahedral holes and atoms of $B$ occupy $50 \%$ octahedral holes. What is the molecular formul...

The density of nitric acid solution is $1.5 \mathrm{~g} \mathrm{~mL}^{-1}$. Its weight percentage is 68 . What is the approximate concentration (in $\mathrm{mol} \mathrm{L}^{-1}$ ) of nitric acid ?
$$ (\mathrm{N}=14 \mathrm{u} ; \mathrm{O}=...

At 133.33 K . the rms velocity of an ideal gas is

\(\left(M=0.083 \mathrm{~kg} \mathrm{~mol}^{-1} ; R=8.3 \mathrm{~J} \mathrm{~mol}^{-1} \mathrm{~K}^{-1}\right)\)

Two statement are given below.
Statement I : The ratio of the molar volume of a gas to that of an ideal gas at constant temperature and pressure is called the compressibility factor.
Statement II : The rms velocity of a gas is directly prop...

Which sol is used as intramuscular injection?

' $X$ ' is a protecting colloid. The following data is obtained for preventing the coagulation of 10 mL of gold sol to which 1 mL of $10 \% \mathrm{NaCl}$ is added. What is the gold number of ' $X$ '?
$$ \begin{array}{ccl} \hline \text { Ex...

Observe the following reaction,
\(2 A_2(g)+B_2(g) \xrightarrow{T(\mathrm{~K})} 2 A_2 B(g)+600 \mathrm{~kJ}\)
The standard enthalpy of formation $\left(\Delta_f H^{\ominus}\right)$ of $A_2 B(g)$ is

Identify the molecule for which the enthalpy of atomisation ( $\Delta_a H^{\ominus}$ ) and bond dissociation enthalpy $\left(\Delta_{\text {bond }} H^{\ominus}\right)$ are not equal