TS EAMCET 2022 (Online) 20th July Evening Shift

\(\text { The major product in the following transformation is }\)

Choose the correct statements in reference to the photoelectric effect.
(A) There is no time lag between the striking of light and ejection of electrons from the metal surface.
(B) The number of electrons ejected is independent of the inten...

Assertion (A) In aqueous solution, amino acids exist in dipolar ion form.
Reason (R) Most of the naturally occurring amino acids have $L$-configuration.
The correct option among the following is

The compounds with $s p^2$ hybridised central atom among the following are
(A) $\mathrm{H}_2 \mathrm{CO}_3$
(B) $\mathrm{SiF}_4$
(C) $\mathrm{BF}_3$
(D) $\mathrm{HClO}_2$

The hybridisation and shape of $I_3^{-}$ion, respectively, are

Calculate the value of the equilibrium constant $\left(K_p\right)$ for the reaction of oxygen gas oxidising ammonia gas to nitric oxide and water vapour. The pressure of each gas at equilibrium is 0.5 atm .

For a reaction, the threshold energy is $75 \mathrm{~kJ} /$ mole. If the internal energy of the reactants is 20 $\mathrm{kJ} /$ mole, the activation energy (in $\mathrm{kJ} /$ mole) is

\(\text { The major product of the following reaction is }\)

Secondary valences of the following complexes based on their reactions with excess $\mathrm{AgNO}_3$ are$$
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\hline & \begin{array}{l}
\text { Formula of the } \\
\text { complexes }
\end{array} & \begin{array}{c}
\text { M...

\(\text { Match the following }\)


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Choose the correct statement.
$\mathrm{Fe}^{3+}$ ion is more stable than $\mathrm{Fe}^{2+}$ ion because

Assertion (A) Mo has the ground state electronic configuration $4 d^5 5 s^1$.
Reason (R) Mo has the highest exchange energy among the second row transition elements.
The correct option among the following is

The $E^{\circ}$ of $\mathrm{Ce}^{4+} / \mathrm{Ce}^{3+}=1.6 \mathrm{~V}, \mathrm{Fe}^{3+} / \mathrm{Fe}^{2+}=0.76 \mathrm{~V}$ the $E^{\circ}$ of $\mathrm{Fe}^{3+}$ oxidising $\mathrm{Ce}^{3+}$ is

Among the compounds
(i) $\mathrm{H}-\mathrm{C} \equiv \mathrm{C}-\mathrm{COOH}$
(ii) $\mathrm{CH}_2=\mathrm{CH}-\mathrm{COOH}$
(iii) $\mathrm{CH}_3-\mathrm{CH}_2 \mathrm{COOH}$ and
(iv) $\mathrm{CH}_3-\mathrm{CH}_2-\mathrm{OH}$
The correct ...

From the following compounds, the ones which contain both $s p$ and $s p^2$ hybridised carbons are

Suitable reagents $X$ and $Y$, respectively, in the following reactions are

1-chloro-3- methylbutane on reaction with zinc and dilute hydrochloric acid gives $\_\_\_\_$ product. as the major

\(\text { The major product of the following reaction is }\)

The major products $Y$ and $Z$ in the following reactions are

\(\text { Match the following. }\)
$$ \begin{array}{llll} \hline \text { (A) } & \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \xrightarrow{\mathrm{Aq} . \mathrm{KOH}} & \text { I } & \mathrm{S}_{\mathrm{N}} 1 \\ \hline \text { (B) } & \left(...

\(\mathrm{CaC}_2+2 \mathrm{D}_2 \mathrm{O} \longrightarrow " P^{\prime \prime}+\mathrm{Ca}(\mathrm{OD})_2\)
In the above reaction, product " $P$ " is

Ammonia is a Lewis base because it is

What is the IUPAC name of the below given compound?

If 2 g of NaOH is dissolved to make 200 mL solution at $25^{\circ} \mathrm{C}$, the molarity ( $M$ ) at $90^{\circ} \mathrm{C}$ is

A solvent freezes at $17^{\circ} \mathrm{C}$ and its latent heat of fusion is $180 \mathrm{Jg}^{-1}$. The molal depression constant of the solvent is [units of $K_f=\mathrm{K} \mathrm{kg} \mathrm{mol}^{-1}$ ]

A black coloured element with $n s^2 n p^1$ outer electronic configuration cannot react with air in its crystalline form. However, in amorphous form, it gives an oxide in air which is acidic in nature. Identify the element.

The element that does not show catenation is

Chlorine is allowed to react with excess of ammonia. In this, 1 mole of chlorine can oxidise ' $Z$ ' moles of $\mathrm{NH}_3$. ' $Z$ ' is

The correct order of enthalpy of vaporisation of noble gases is

In the following, the oxoacid with a peroxy bond is

The successive ionisation energies (starting from the 1 st ) of an element are $801,2430,3660,25,000$ and $32,800 \mathrm{~kJ} \mathrm{~mol}^{-1}$, respectively. The element is

Assertion (A) The ionic radii of the alkaline earth metals are smaller than those of alkali metals in the same period.
Reason (R) Alkali metals have higher nuclear charge than that of the alkaline earth metals.
The correct option among the ...

Which of the following sequence is correct for decreasing order of ionic radius?

Which of the following are disproportionation reactions?
(A) $\mathrm{Cl}_2+2 \mathrm{NaOH} \longrightarrow \mathrm{NaCl}+\mathrm{NaOCl}+\mathrm{H}_2 \mathrm{O}$
(B) $\mathrm{H}_2 \mathrm{O}_2 \longrightarrow 2 \mathrm{H}_2 \mathrm{O}+\math...

A solid has a structure in which ' W ' atoms are located at the corners of a cubic lattice, oxygen atoms at the edge centre and
Na atom at the body centre. The formula of the compound is

Round the number 234555359 to 3 significant figure.

1 mole of a real gas is kept at high pressure of 100 bar at 300 K . If van der Waals' constant $b$ is $0.005 \mathrm{~L} / \mathrm{mol}$, what are the values of compressibility factor $Z$ of the gas and \% deviation of volume from ideality?

1 L closed flask contains a mixture of 4 g of methane and 4.4 g of carbon dioxide. The pressure inside the flask at $27^{\circ} \mathrm{C}$ is
[assume ideal behaviour of gases].

The process in which colloids, when subjected to DC electric field move towards an electrode is

The bond enthalpies of heavy hydrogen, $\mathrm{O}-\mathrm{O}$ and $\mathrm{D}-\mathrm{O}$ are $+400,+498$ and $+490 \mathrm{kJmol}^{-1}$, respectively. The $\Delta_r H^{\circ}$ of the reaction to produce $\mathrm{D}_2 \mathrm{O}$ is

The absolute maximum value of the function $f(x)=2 x^3-3 x^2-36 x+9$ defined on $[-3,3]$ is

The equation of the tangent to the curve $x^2+y-7=4 x$ at the point $(1,10)$ is

If $\theta$ is the angle between the curves $x^2-y^2=4$ and $y^2=3 x$, then $\tan \theta=$

Numerically greatest term in the expansion of $(2 x-3 y)^{11}$ when $x=\frac{1}{3}$ and $y=\frac{1}{2}$ is

If $L_1, L_2$ and $L_3$ are the chords of contact of the three points $(2,0),(1,-2)$ and $(4,4)$ respectively with respect to the circle $x^2+y^2=3$, then $L_1, L_2$ and $L_3$ are

If $(h, k)$ is the centre of the circle which passes through the origin and cuts the circles $x^2+y^2+4 x+6 y+12=0$ and $x^2+y^2+4 x-6 y+9=0$ orthogonally, then $k-2 h=$

If $(-1,-1)$ is the radical centre of the circles $x^2+y^2+2 g x-4 y+4=0, x^2+y^2+6 x+2 f y+12=0$ and $x^2+y^2+10 y+20=0$, then $g-f=$

The line $4 x+3 y-4=0$ divides the circumference of a circle in the ratio $1: 2$. If $C(5,3)$ is the centre of that circle, then equation of the circle is

The combined equation of the direct common tangents of the circles $x^2+y^2+2 x=0$ and $x^2+y^2-2 y-3=0$

Two sides of a square are along the lines $x=-5$ and $y=4$. The point of intersection of the diagonals is $(3,-4)$. The point of intersection of the tangents drawn to the circumcircle of the square at the two consecutive vertices lying on $...