TS EAMCET 2023 (Online) 14th May Evening Shift

Identify the major product $Y$ in the given reaction sequence.

Conversion of $X$ into $Y$ is an example of the reaction

The main reactants involved in Etard reaction are

The ratio of the difference in energy between the first and second Bohr orbits to that between the second and third orbit is

A 100 W bulb emits light of wavelength
$x \mathop {\rm{A}}\limits^{\rm{o}} $. What is the value of $x$, if the number of photons emitted is $2.0 \times 10^{20} \mathrm{~s}^{-1}$ ?
$$ \left(h=6.63 \times 10^{-34} \mathrm{Js}, 1 \mathrm{~W}=1...

In the reaction I and II the covalencies of Be and Al in $X$ and $Y$ are respectively
I. $\mathrm{Be}(\mathrm{OH})_2+\underset{\text { (Excess) }}{\mathrm{NaOH}} \longrightarrow X$
II. $\mathrm{Al}(\mathrm{OH})_3+\underset{\text { (Excess) ...

From the following, the correct statements about polysaccharides are
I. Starch is a polymer of $\alpha-\mathrm{D}(+)$-glucose.
II. Amylose component of starch is not soluble in water.
III. Amylose is a branched chain polymer of $\alpha-\mat...

Arrange the molecules $\mathrm{B}_2, \mathrm{He}_2, \mathrm{~N}_2$ and $\mathrm{C}_2$ in the increasing order of their bond order values.

In which of the following, molecules are arranged in the increasing order of their bond angles?

A possible mechanism for the gaseous reaction $2 \mathrm{H}_2+2 \mathrm{NO} \longrightarrow 2 \mathrm{H}_2 \mathrm{O}+\mathrm{N}_2$ is
Step 1:2 $\mathrm{NO} \rightleftharpoons \mathrm{N}_2 \mathrm{O}_2$
Step 2 : $\mathrm{N}_2 \mathrm{O}_2+\...

Which of the following acts as antihistamine?

Arrange the following in the order of decreasing basicity.
I. $\mathrm{RN}=\mathrm{CH} R^1$
II. $\mathrm{RC} \equiv \mathrm{N}$
III. $\mathrm{RNH}_2$

\(\text { The major product ' } Z \text { ' in the reaction sequence is }\)

Which one of the following gives a foul-smelling substance when treated with chloroform and alcoholic KOH ?

The sum of oxidation state and co-ordination number of central metal atom is maximum with respect to which of the following complex?

In +2 oxidation state, which of the following lanthanoids act as reducing agents?

The product formed during thermal decomposition of ammonium dichromate are

The reduction potential of a half-cell consisting of a Pt electrode immersed in $2.0 \mathrm{M} \mathrm{Fe}^{2+}$ and $0.02 \mathrm{M} \mathrm{Fe}^{3+}$ solution (in V) is
Given : $\left(\frac{2.303 R T}{F}=0.059, E_{\mathrm{Fe}^{3+} \mid \...

Identify the halogen exchange reaction from the following.

Arrange the following in the correct order of their acidic strength.
I. $\mathrm{H}_2 \mathrm{C}=\mathrm{CH}_2$
II. $\mathrm{CH} \equiv \mathrm{CH}$
III. $\mathrm{CH}_3-\mathrm{C} \equiv \mathrm{CH}$
IV. $\mathrm{CH}_3-\mathrm{CH}_3$

The rate of attack of an electrophile is least when $X$ in the given compound is

\(\mathrm{C}_3 \mathrm{H}_4+\mathrm{H}_2 \mathrm{O} \xrightarrow[333 \mathrm{~K}]{\mathrm{Hg}^{2+} / \mathrm{H}^{+}}[X] \stackrel{\text { Tautomerisation }}{\rightleftharpoons} Y\)
$X$ and $Y$ are respectively

Addition of HBr to propene in presence of a peroxide takes place contrary to Markownikoff rule. This can be explained by the mechanism involving

At 298 K the molar solubility of $\mathrm{Cd}(\mathrm{OH})_2$ in $0.1 \mathrm{M} \mathrm{KOH}_{\mathrm{OH}}$ solution is $x \times 10^{-y}$. The values of $x$ and $y$ are respectively.
(At $298 \mathrm{~K}, K_{s p}$ of $\mathrm{Cd}(\mathrm{...

An aqueous solution of a non-volatile solute boils at $100.17^{\circ} \mathrm{C}$. The temperature at which this solution will freeze (in ${ }^{\circ} \mathrm{C}$ ) is
$$ \begin{aligned} & \left(K_b\left(\mathrm{H}_2 \mathrm{O}\right)=0.512...

The metal which is refined by Mond process is $(X)$, by van Arkel process is $(Y)$ and by zone refining is $(Z), X, Y$ and Z respectively are

Zeolite is a silicate of two metal ions $X$ and $Y . X$ and $Y$ are respectively

Among the hydrides of group 16 elements, the hydride $X$ has lowest boiling point and the hydride $Y$ has highest boiling point. $X$ and $Y$ respectively are

Which of the following has lowest melting point?

Identify the incorrect statement about the interhalogen compounds.

Sodium nitrite with hydrochloric acid gives water alongwith two nitrogen oxides. They are

Assertion (A) First ionisation enthalpy of oxygen is less than that of nitrogen.
Reason (R) Atoms with half-filled or completely filled orbitals are less stable.
The correct option among the following is

Tha atomic radius of gallium is less than that of aluminium. This is due to

\(\text { Match the following. }\)
$$ \begin{array}{llll} \hline & \text { List-I (Polymer type) } & & \text { List-II (Example) } \\ \hline \text { A. } & \text { Fibre } & \text { I. } & \text { Bakelite } \\ \hline \text { B. } & \text...

The oxidation states of three carbon atoms in carbon suboxide $\left(\mathrm{C}_3 \mathrm{O}_2\right)$ respectively are

Identify the incorrect reaction from the following.

In the structure of a solid, W atoms are located at the cube corners of the unit cell, O atoms are located at the cube edges and Na atoms at the cube centres. The formula of the compound is

Two containers $A$ and $B$ contain $\mathrm{CO}_2$ gas. Pressure, volume and absolute temperature of the gas in $A$ are 4 times more compared to that in $B$. The mass of the gas in $B$ is $x \mathrm{~g}$, then the mass of the gas in $A$ wil...

The sol prepared by Bredig's arc method is $X$ and the charge of sol particles of it is $q . X$ and $q$ are respectively

At $T(\mathrm{~K}) 2$ mole of an ideal gas is allowed to expand reversibly and isothermally from a pressure of 10 atmospheres to 1 atmosphere. The work done (in kJ ) is $\left(R=8.3 \mathrm{JK}^{-1} \mathrm{~mol}^{-1}\right)$

An angle between the curves $x^2-y^2=4$ and $x^2+y^2=4 \sqrt{2}$ is

A ladder of length 13 m has one end resting against a vertical wall and the other on the ground. If the lower end moves away from the wall at a speed of $2 \mathrm{~m} / \mathrm{min}$ then the speed (in $\mathrm{m} / \mathrm{min}$ ) at whic...

The maximum volume (in cu. units) of the cylinder which can be inscribed in a sphere of radius 12 units is

The area (in sq units) of the region bounded by the circle $x^2+y^2=64$, positive $X$-axis and the line $y=\sqrt{3} x$ is

If the coefficient of $x^4$ in the expansion of $\frac{x}{(x-1)^2(x-2)}$ is $\frac{m}{n}$ and $|m|,|n|$ are coprimes, then $\sqrt{|m+n|}=$

If $x=\frac{2 \cdot 5}{2!3}+\frac{2 \cdot 5 \cdot 7}{3!3^2}+\frac{2 \cdot 5 \cdot 7 \cdot 9}{4!3^3}+\ldots$, then $x^2+8 x+8=$

If $\sum_{r=0}^{20}{ }^{20+r} C_r=\frac{p}{q}{ }^{40} C_{20}$ and GCD of $(p, q)=1$, then $p^2-q^2=$

The term independent of $x$ in the expansion of $\left(1-3 x+2 x^3\right)\left(\frac{3 x^2}{2}-\frac{1}{3 x}\right)^9$ is

If a circle ' $S$ ' passing through the origin and having its centre on the line $x-y=0$ cuts the circle $x^2+y^2-4 x-6 y+10=0$ orthogonally, then the diameter of ' $S$ ' is

The equation of the circle passing through the points of intersection of the circles $x^2+y^2+6 x+4 y-12=0$, $x^2+y^2-4 x-6 y-12=0$ and having radius $\sqrt{13}$ is