AP EAPCET 2024 - 18th May Morning Shift

A dibromide $X\left(\mathrm{C}_4 \mathrm{H}_4 \mathrm{Br}_2\right)$ on dehydrohalogenation gave $Y$ which on reduction with $Z$ gave non-polar isomer of $\mathrm{C}_4 \mathrm{H}_3$. What are $X$ and $Z$ respectively?

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

The de-Broglie wavelength of a particle of mass 1 mg moving with a velocity of $10 \mathrm{~ms}^{-1}$ is $\left(\mathrm{h}=6.63 \times 10^{-34} \mathrm{Js}\right.$ )

Correct set of four quantum numbers for the valence electron of strontium $(z=38)$ is

Which of the following hormone is responsible for preparing uterus for implantation of fertilised eggs?

Which of the following is an essential amino acid ?

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

The correct formula used to determine the formal charge (Q) on an atom in the given Lewis structure of a molecule or ion is ( $V=$ number of valence electrons in free atom, $U=$ number of unshared electrons on the atom, $B=$ number of bonds...

Match the following. .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px; overflow:hidden;padding:10px 5px;word-break:normal;} .tg t...

The bond lengths of diatomic molecules of elements $X$, $Y$ and $Z$ respectively are 143, 110 and 121 pm . The atomic numbers of $X, Y$, and $Z$ respectively are

At $T(\mathrm{~K}), K_c$ for the reaction $A_2(g) \rightleftharpoons B_2(g)$ is 99.0 . Two moles of $A_2(s)$ was heated to $T(\mathrm{~K})$ in a 1 L . closed flask to reach the above equilibrium. What are the concentrations (in mol $\mathrm...

At $27^{\circ} \mathrm{C}$, the degree of dissociation of weak acid ( $\mathrm{H} A$ ) in its 0.5 M aqueous solution is $1 \%$. Its $K_e$, value is approximately

At 298 K , for a first order resction $(A \rightarrow P)$ the following graph is obtained. The rate constant ( in s ${ }^{-1}$ ) and initial concentration ( in mol $\mathrm{L}^{-1}$ ) of ' $A$ ' are respectively $(Y$-axis $=\ln (a-x): X$-ax...

Identify the correct set form the following.

The $E^{-}$of $M\left|M^{2+} \| \mathrm{Cu}^{2+}\right| \mathrm{Cu}$ is 0.3 V .At what concentration of $\mathrm{Cu}^{2+}\left(\mathrm{in} \mathrm{mol} \mathrm{L} \mathrm{L}^{-1}\right)$, the $\mathrm{E}_{\mathrm{cel}}$ value becomes zero ?...

Arrange the following pestidides in the chronological order of their release into the market.Organophosphates Organochlorides Sodium chlorate$\quad \text { (A) } \quad\quad\quad\quad\quad\quad\quad \text { (B) } \quad\quad\quad\quad \text {...

From the following identify the groups that exhibit negative resonance $(-R)$ effect when attached to conjugated system$$ \begin{array}{ccccc} \text { Formyl } & \text { Amino } & \text { Alkoxy } & \text { Cyano } & \text { Nitro } \\ A & ...

Arrange the following in decreasing order of their acidity.

Chlorobenzene ( $X$ ) when reacted with reagent $(A)$ geb converted to phenol $(Y)$. The major product obtained from nitration of $(X)$ gets converted to $p$-nitrophend $(Z)$ by reaction with reagent $(B)$. What are $A$ and $B$ respectively...

Match the following reactions with the prodact obtained from them. .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px; overflow:hid...

An alkyl halide $\mathrm{C}_3 \mathrm{H}_7 \mathrm{CL}$. on reaction with a reagent $X$ gave the major product $Y\left(\mathrm{C}_4 \mathrm{H}_7 \mathrm{~N}\right) . Y$ on hydrolysis released gas. Which turns red litmus to blue. What are $X...

In which of the following reaction, dilhydrogen is not evolved?

Which of the following does not show optical isomerism?

At 293 K , methane gas was passed into 1 L . of water. The partial pressure of methane is 1 bar. The number of moles of methane dissolved in 1 L water is ( $K_{\mathrm{H}}$ of methane $=0.4 \mathrm{~K}$ bar)

Lithium forms an alloy with ' $X$ '. This alloy is used to make armour plates. What is ' $X$ ' ?

Which one of the following sets in not correctly matched?

Aluminium carbide on reaction with $\mathrm{D}_2 \mathrm{O}$ gives $\mathrm{Al}(O D)_3$ and ' $X^{\prime}$. What is ' $X^{\prime}$ '?

When chlorine reacts with hot and conc. NaOH . The products formed are

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Identify the basic oxide from the following.

A polymer $X$ is biodegradable and is obtained from the monomers $Y, Z$. What are $Y$ and $Z$ ?

The diffraction pattern of crystalline solid gave a peak at $20=60^{\circ}$. What is the distance ( in cm ) between the layers which gave this peak?( $\lambda$ of $X$-rays is $1.54 \mathring{A}$ ) $\left(\sin 30^{\circ}=0.5, \sin 60^{\circ}...

The concentration of 1 L of $\mathrm{CaCO}_3$ solution is 1000 ppm . What is its concentration in mol $\mathrm{L}^{-1}$ ?\((\mathrm{Ca}=40 \mathrm{u}, \mathrm{O}=16 \mathrm{u}, \mathrm{C}=12 \mathrm{u})\)

A hydrocarbon containing C and H has $92.3 \% \mathrm{C}$ When 39 g of hydrocarbon was completely burnt in 0 $X$ moles of water and $Y$ moles of $\mathrm{CO}_2$ were formed $\mathrm{H}_2$ with Na metal, What is the weight (in g) of ounp ${ ...

Given below are two statements.Statement I : Viscosity of liquid decreases with increase in temperature.Statement II : The units of viscosity are $\mathrm{kg} \mathrm{m}^{-1} \mathrm{~s}^{-1}$.The correct answer is

RMS velocity of one mole of an ideal gas was measen at different temperatures. A graph of $\left(\mu_{\mathrm{ma}}\right)^{-2}$ (on $Y$-sdi) and $T(\mathrm{~K})$ ( on $X$-axis) gave straight line passing through the origin and its slope is ...

Given below are two statements.Statements I Easily liqueflable gases are readily adsorbed.Statements II Adsorption enthalpy for physisorption is less compared to adsorption enthalpy for chemisorption.The correct answer is

The validity of Freundlich isotherm can be verified by plotting

At 300 K for the reaction. $A \rightarrow P$. The $\Delta S_p$ is $5 \mathrm{JK}^{-1} \mathrm{~mol}^{-1}$, What is the heat absorbed (in kJ $\mathrm{mol}^{-1}$ ) by the system?

Identify the incorrect statements form the following.I. $ \Delta S_{\text {pum }}=\left(\Delta S_{\text {nal }}+\Delta S_{\text {um }}\right) $II. $A(\bar{i} \rightarrow A(\phi)$ : For this process entropy change decreases.III. Entropy unit...

A point is moving on the curve $y=x^3-3 x^2+2 x-1$ and the $y$-coordinate of the point is increasing at the rate d 6 units per second. When the point is at $(2,-1)$, the rate of change of $x$-coordinate of the point is

The set of all real values of a such that the real valued function $f(x)=x^3+2 a x^2+3(a+1) x+5$ is strictly increasing in its entire domain is

The area of the region ( in sq units) enclosed by the curve $y=x^3-19 x+30$ and the $X$-axis, is

The square root of independent term in the expansion of $ \left( 2x^2 + \frac{5}{x} \right)^5 $ is

The coefficient of $x^5$ in $\left(3+x+x^2\right)^6$ is

The absolute value of the difference of the coefficients of $x^4$ and $x^6$ in the expansion of $x^2 - 2x^2 + (x + 1)^4(x^2 - 1)^2$, is

If $2 x-3 y+3=0$ and $x+2 y+k=0$ are conjugate lines with respect to the circle $S=x^2+y^2+8 x-6 y-24=0$, then the length of the tangent drawn from the point $\left(\frac{k}{4}, \frac{k}{3}\right)$ to the circle $S=0$, is

If $Q(h, k)$ is the inverse point of the point $P(1,2)$ with respect to the circle $x^2+y^2-4 x+1=0$, then $2 h+k=$

If $(a, b)$ and ( $c, d)$ are the internal and external centres of similitudes of the circles $x^2+y^2+4 x-5=0$ and $x^2+y^2-6 y+8=0$ respectively, then $(a+d)(b+q)=$

A circle $s$ passes through the points of intersection of the circles $x^2+y^2-2 x+2 y-2=0$ and $x^2+y^2+2 x-2 y+1=0$. If the centre of this circle $S$ lies on the line $x-y+6=0$, then the radius of the circle $S$ is