AP EAPCET 2024 - 21th May Evening Shift

An alcohol $X\left(\mathrm{C}_4 \mathrm{H}_{10} \mathrm{O}\right)$ does not give turbidity with conc. HCl and $\mathrm{ZnCl}_2$ at room temperature. $X$ on reaction with reagent $Y$ gives Z . What are $X, Y$ and $Z$ respectively?

Which of the following sets of reagents convert toluene to benzaldehyde?
A. $\mathrm{Cl}_2 \mid h v ; \mathrm{H}_2 \mathrm{O}, \Delta$
B. $\mathrm{KMnO}_4 \mid \mathrm{OH}^{-} ; \mathrm{H}^{+}$
C. $\mathrm{Cl}_2 \mid \mathrm{Fe} ; \mathrm{H...

If $\lambda_0$ and $\lambda$ are respectively the threshold wavelength and wavelength of incident light the velocity of photo electrons ejected from the metal surface is

The difference in radii between fourth and third Bohr orbit of $\mathrm{He}^{+}($in m$)$ is

Identify the correctly matched set from the following.

Given below are two statements.
I. Cytosine and guanine are formed in equal quantities in DNA hydrolysis.
II. Adenine and uracil are formed in equal quantities in RNA hydrolysis.
The correct answer is

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

In which of the following pairs, both molecules possess dipole moment?

The correct order of covalent bond character of $\mathrm{BCl}_3, \mathrm{CCl}_4, \mathrm{BeCl}_2, \mathrm{LiCl}$ is

15 moles of $\mathrm{H}_2$ and 5.2 moles of $\mathrm{I}_2$ are mixed and allowed to attain equilibrium at 773 K . At equilibrium, the number of moles of HI is found to be 10 . The equilibrium constant for the dissociation of HI is

$A \rightarrow P$ is a zero order reaction. At 298 K the rate constant of the reaction is $1 \times 10^{-3} \mathrm{~mol} \mathrm{~L}^{-1} \mathrm{~s}^{-1}$. Initial concentration of ' $A$ ' is $0.1 \mathrm{~mol} \mathrm{~L}^{-1}$. What is ...

The enamel present on teeth becomes much harder due to the conversion of $\left[3 \mathrm{Ca}_3\left(\mathrm{PO}_4\right)_2 \cdot X\right.$ ] into [ $3 \mathrm{Ca}_3\left(\mathrm{PO}_4\right)_2 Y$ ]. What are $X$ and $Y$ ?

\(\text { Identify the correctly matched pair from the following. }\)

Cobalt (III) chloride forms a green coloured complex ' $X$ ' with $\mathrm{NH}_3$. Number of moles of AgCl formed when excess of $\mathrm{AgNO}_3$ solution is added to 100 mL of 1 M solution of ' $X$ ' is

Consider the following standard electrode potentials ( $E^{\circ}$ in volts) in aqueous solution.
$$ \begin{array}{|c|c|c|} \hline \text { Element } & M^{3+} / M & M^{+} / M \\ \hline \mathrm{Al} & -1.66 & +0.55 \\ \hline \mathrm{TI} & +1.2...

The standard reduction potentials of $2 \mathrm{H}^{+} / \mathrm{H}_2, \mathrm{Cu}^{2+} / \mathrm{Cu}, \mathrm{Zn}^{2+} / \mathrm{Zn}$ and $\mathrm{NO}_3^{-}, \mathrm{H}^{-} / \mathrm{NO}$ are 0.0 0.34 . -0.76 and 0.97 V respectively. Ident...

Number of deactivating group of the following is

\(-\mathrm{Cl},-\mathrm{SO}_3 \mathrm{H},-\mathrm{OH},-\mathrm{NHC}_2 \mathrm{H}_5,-\mathrm{COOCH}_3,-\mathrm{CH}_3\)

What are $Y$ and $Z$ respectively in the following reaction sequence?

What are $X$ and $Y$ respectively in the following reaction sequence?

Hydrolysis of an alkyl bromide $\left(\mathrm{C}_5 \mathrm{H}_{11} \mathrm{Br}\right)$ follows first order kinetics. Reaction of $X$ with Mg in dry ether followed by treatment of $\mathrm{D}_2 \mathrm{O}$ gave $Y$, What is $Y$ ?

The solubility of barium phosphate of molar mass ' $M$ ' $\mathrm{g} \mathrm{mol}^{-1}$ in water is $x \mathrm{~g}$ per 100 mL at 298 K . Its solubility product is $1.08 \times\left(\frac{x}{M}\right)^a \times(10)^b$. The values of $a$ and ...

\(\text { IUPAC names of the following compounds } A \text { and } B\) are

Given below are two statements.
Statement I : Liquids $A$ and $B$ form a non-ideal solution with negative deviation. The interactions between $A$ and $B$ are weaker than $A-A$ and $B-B$ interactions.
Statement II : In reverse osmosis, the a...

The following graph is obtained for vapour pressure (in atm) (on $Y$-axis) and $T$ (in K) (on $X$-axis) for aqueous urea solution and water. What is the boiling point (in K) of urea solution?
(Atmospheric pressure $=1 \mathrm{~atm}$ )

The flux used in the preparation of wrought iron from cast iron in reverberatory furnace is

Which of the allotropic forms of carbon is aromatic in nature?

Hydrated sodium aluminium silicate is called

$\mathrm{P}_2 \mathrm{O}_3+\mathrm{H}_2 \mathrm{O} \rightarrow X$, Red $\mathrm{P}_4+$ alkali $\rightarrow Y$
$X, Y$ are oxoacids of phosphorous. The number of $\mathrm{P}-\mathrm{OH}$ bonds in $X, Y$ respectively is
$$ \mathrm{P}_2 \mathrm...

The correct order of atomic radii of $\mathrm{N}, \mathrm{F}, \mathrm{Al}, \mathrm{Si}$ is

The correctly matched set of the following is

Which of the following occurs with $\mathrm{KMnO}_4$ in neutral medium?

Which one of the following statements is not correct about the compounds of alkaline earth metals?

Identify the incorrect set from the following.

A flask contains 98 mg of $\mathrm{H}_2 \mathrm{SO}_4$. If $3.01 \times 10^{20}$ molecules of $\mathrm{H}_2 \mathrm{SO}_4$ are removed from the flask. The number of moles of $\mathrm{H}_2 \mathrm{SO}_4$ remained in flask is
$$ \left(N_A=6.0...

Three layers of liquid are flowing over fixed solid surface as shown below. The correct order of velocity of liquid in these layers is

At $T(\mathrm{~K})$, the $p, V$ and $u_{\mathrm{rms}}$ of 1 mole of an ideal gas were measured. The following graph is obtained. What is it slope ( $m$ )?
( $x$-axis $=p V: y$-axis $u_{\mathrm{rms}}^2, M=$ Molar mass $)$

Identify the method of preparation of a colloidal sol from the following.

\(\text { Match List - I, with List-II. }\)
$$ \begin{array}{llll} \hline & \text { List I } & & \text { List II } \\ \hline \text { I } & \text { Colloidal antimony } & \text { A } & \text { Kalaazar } \\ \hline \text { II } & \text { Si...

Identify the correct equation relating $\Delta H, \Delta U$ and $\Delta T$ for 1 mole of an ideal gas from the following. ( $R=$ gas constant)

The number of extensive properties in the following list is enthalpy, density, volume, internal energy, temperature.