TS EAMCET 2022 (Online) 18th July Evening Shift

\(A, B, C, D \text { in the following reactions are }\)

Which of the following statements are correct for phenol?
(A) In general, phenol is more acidic than alcohol.
(B) Phenol is used in the production of melamine plastic.
(C) Phenol gives violet colour with neutral ferric chloride solution.
(D...

Propyne was subjected to a reaction with $\mathrm{HgSO}_4 /$ dil. $\mathrm{H}_2 \mathrm{SO}_4$, which resulted in a product $P$. The product $P$ was heated with $\mathrm{Ba}(\mathrm{OH})_2$ to give the product $Q$. The molecular formula of ...

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

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

The total number of spectral lines observed when electron returns from the 6th shell to the 2nd shell in hydrogen atom is

The orbital angular momentum of an electron in $d$-orbital is equal to

The amount of sucrose needed to produce 1 mole of glucose using acid hydrolysis is

$n$ - propanol on treatment with concentrated HBr gives $P$. The product $P$ on reaction with KCN gave the product $Q$. The product $Q$ on heating with aqueous acidic solution, furnished the product $R$. The product ' $R$ ' is

The linear molecule among the following is

According to the Lewis formula of $\mathrm{O}_3$, the correct option is

For the formation of ammonia gas from its constituent elements, the $K_p / K_C$ is

Half-life periods for a reaction at initial concentrations of 0.1 M and 0.01 M are 5 and 50 minutes, respectively. The order of reaction is

The rate constant of a reaction is increased by 4 times after addition of catalyst to the reaction mixture at the same temperature of $27^{\circ} \mathrm{C}$. The change in the activation energy of this reaction is (Take $\ln (1 / 4)=-1386,...

The major product of the following synthetic sequence is

Among the given complexes the possess " $\mathrm{CO}^{\prime \prime}$ as a bridged ligands are
I. $\left[\mathrm{Co}_2(\mathrm{CO})_8\right]$
II. $\left[\mathrm{Fe}_3(\mathrm{CO})_{12}\right]$
III. $\left[\mathrm{Mn}_2(\mathrm{CO})_{10}\rig...

Assertion (A) In general, transition metals have high melting points.
Reason (R) More number of electrons from ' $(n-1) d^{\prime}$ and ' $n s$ ' are involved in interatomic metallic bonding.
The correct option among the following is

On passing a current of 1.2 A through a solution of salt of copper for $40 \mathrm{~min}, 0.96 \mathrm{~g}$ of copper was deposited. The equivalent weight of copper in g is

The order of reactivity of the following compounds towards dilute aqueous KOH in $\mathrm{S}_{\mathrm{N}} 1$ reaction is
I. $\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{Br}$
II. $\mathrm{H}_3 \mathrm{CCH}_2 \mathrm{CHBrC...

The most suitable solvent for Wurtz reaction is

The most effective water softening method is

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


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Identify the chiral molecule among the following.

Which of the following is/are "not correct" for $\mathrm{CH}_3 \mathrm{OH}+\mathrm{CH}_3 \mathrm{COOH}$ mixture solution?

1. $\Delta H_{\text {mix }}<0$
2. Does not obey Raoult's law.
3. $\Delta H_{\text {mix }}>0$
4. An example of ideal s...

Henry's law is valid for
(A) ammonia gas dissolution in water
(B) $\mathrm{O}_2$ gas dissolution in unsaturated blood
(C) $\mathrm{O}_2$ dissolution in water
(D) $\mathrm{CO}_2$ dissolution in water

When aluminium chloride is dissolved in water, it gives

The correct order of acidity of $\mathrm{HClO}, \mathrm{HBrO}$ and HIO is

The main products $P$ and $Q$ of the following unbalanced disproportionation reaction $\mathrm{Se}_2 \mathrm{Cl}_2 \longrightarrow P+Q$ are

The total number of paramagnetic gaseous products formed in all the following reactions $[A+B+C]$ are
(A) $\mathrm{NH}_4 \mathrm{NO}_3 \xrightarrow{\Delta}$ Products
(B) $\mathrm{NaNO}_2+\mathrm{H}_2 \mathrm{SO}_4 \longrightarrow$ Products
...

The correct order of decreasing acidic nature of oxides is

Potassium superoxide on hydrolysis gives

The correct option for axial distances and axial angles for hexagonal crystal system is

Calculate the number of moles of NaOH required to completely neutralise 100 g of $118 \%$ oleum.

Dipole-induced dipole interactions are present between which of the following pairs?

A gaseous mixture of 2 moles of $A, 3$ moles of $B$, 5 moles of $C$ and 10 moles of $D$ is contained is contained in a vessel. Assuming that gases are ideal and partial pressure of $C$ is 1.5 atm , the total pressure is

A cube of edge length 1 cm is divided into smaller cubes of uniform size of length 1 nm . Assuming that, no voids are present, the ratio of total surface area of all the cubes of 1 nm edge length to the surface area of the initial cube is

Catalysts in the following reactions are
(I) $\mathrm{CH}_3 \mathrm{COOCH}_3(l)+\mathrm{H}_2 \mathrm{O}(l)\longrightarrow \mathrm{CH}_3 \mathrm{COOH}(a q)+\mathrm{CH}_3 \mathrm{OH}(l)$

(II) $2 \mathrm{SO}_2(\mathrm{~g}) \longrightarrow 2 \...

Among the following given substances, the one with zero $\Delta_f H^{\circ}$ is

The change in enthalpy $[\Delta H]$ in $\mathrm{kJ} \mathrm{mol}^{-1}$ for the reaction, $\mathrm{Mg}+2 \mathrm{~F} \longrightarrow \mathrm{MgF}_2$ is
Given, electron affinity of $\mathrm{F}=328 \mathrm{~kJ} \mathrm{~mol}^{-1}$,
IE ${ }_1$ ...

A certain mass of a gas was brought from state $A$ to $B$ by following three different paths, namely 1,2 and 3 , respectively. Which of the following relations is correct for the work done?

If an error of $0.02 \mathrm{sq} . \mathrm{cm}$ is found in the surface area of a sphere when its radius is measured as 10 cm , then the approximate error that occurs in the volume of the sphere, in cubic centimeters, is

If $\theta$ is the angle between the curves $y^2=4 x$ and $x^2+y^2=5$, then $|\tan \theta|=$

The local maximum value of the function $f(x)=-(x-2)^3(x+2)^2$ is

If the 4 th term in the expansion of $\left(\frac{x}{2}-\frac{2 y}{3}\right)^6$ is -20, then $x y=$

If $\theta$ is the angle between the circles
$x^2+y^2-2 x-4 y-4=0$ and $x^2+y^2-8 x-12 y+43=0$, then $|7 \sec \theta-18 \cos \theta|=$

If $\left(0, \frac{3}{4}\right)$ is the radical centre of the circles $S \equiv x^2+y^2+\alpha x+6 y=0, S \equiv x^2+y^2+2 \alpha x+\alpha y+6=0$ and $S^{\prime \prime} \equiv x^2+y^2+6 \alpha x-\alpha y+3=0$, then the distance between the ...

The equation of the transverse common tangent of the circles $x^2+y^2-6 x-8 y+9=0$ and $x^2+y^2+2 x-2 y+1=0$

If $A, B$ are the points of contact of the tangents drawn from the point $P(-2,-3)$ to the circle $x^2+y^2-8 x-10 y+5=0$ and the chord $A B$ subtends an angle $\theta$ at $P$, then $\tan \theta=$

From a point $A(0,3)$ on the circle $(x+2)^2+(y-3)^2=4$, a chord $A B$ is drawn and it is extended to a point $Q$ such that $A Q=2 A B$. Then, the locus of $Q$ is

If $m_1, m_2$ are the slopes of the tangents drawn from a point $(1,-3)$ to the circle $x^2+y^2-6 x+4 y+12=0$, then $9\left(m_1^2+m_2^2\right)=$