TS EAMCET 2022 (Online) 20th July Morning Shift

Assertion (A) Tertiary alcohols produce turbidity immediately with Lucas reagent.
Reason ( $\mathbf{R}$ ) Lucas reagent is a $1: 1$ mixture of conc. $\mathrm{HNO}_3$ and anhydrous $\mathrm{ZnCl}_2$.
The correct option among the following is...

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

Assertion (A) Ammonia and its derivatives form $\mathrm{H}_2 \mathrm{~N}-\mathrm{Z}$ undergo condensation reaction with carbonyl compounds (aldehydes and ketones).
Reason (R) This reaction is an example of irreversible reaction.
The correct...

The maximum number of orbitals present in $n=4$ energy level of an atom and the maximum number of electrons with spin value $+\frac{1}{2}$ in the same orbitals are respectively

The approximate ratio of the speed of light in vacuum to that of an electron in the first Bohr orbit of hydrogen atom is

\(\text { Consider the following structures }\)


Which of the pairs represent $D$ and $L$-fructose, respectively?

The correct order of $\mathrm{p} K_a$ of the following is
\(\underset{\mathrm{I}}{\mathrm{CCl}_3 \mathrm{COOH}} \quad \underset{\mathrm{II}}{\mathrm{CF}_3 \mathrm{COOH}}\)
$$ \underset{\text { III }}{\mathrm{NO}_2 \mathrm{CH}_2 \mathrm{CO...

The correct pair of species which are not isostructural is

Assertion (A) Hydrogen fluoride has higher boiling point than other hydrogen halides.
Reason (R) Hydrogen fluoride exhibits strong hydrogen bonding.
The correct option among the following is

The intramolecular hydrogen bonding is present in

The set of molecules among the following with zero dipole moment is $\mathrm{CCl}_4, \mathrm{BF}_3, \mathrm{CHCl}_3, \mathrm{CS}_2, \mathrm{NH}_3$,
1, 4-dichlorobenzene, $\mathrm{CO}_2$

For the formation of ammonia from its constituent elements ( 1 mole of $\mathrm{N}_2$ and 3 moles of $\mathrm{H}_2$ ) in a closed vessel of volume $V(\mathrm{~L})$, the value of $K_C$ is [units of $K_C=\mathrm{mol}^{-2} \mathrm{~L}^2$ ]

Rate constants in the following reaction are Reaction 1 :

\(A \xrightarrow{\text { Catalyst } 1} P_1, k_1=1 \mathrm{~s}^{-1}\)
Reaction 2 :
$$ A \xrightarrow{\text { Catalyst } 2} P_2, k_2=0.1 \mathrm{~L} \mathrm{~mol}^{-1} \mathrm{~s}^...

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






                           List-I

                         List-II





(A) Amide

(I) Carbylamine reaction





(B) Nitrile

(II) Hinsberg's reagent





(C)



...

The pair in which both the species have same magnetic moment (spin only) is

The elements with full $d^{10}$ electronic configuration in their " +2 " oxidation state are

Electrolysis of aqueous $\mathrm{Na}_2 \mathrm{SO}_4$ was carried out by passing a current of 3 ampere for 10 min . The volume of the gas (in litre) at STP at the anode of the cell is approximately

The variation of $\lambda_{\mathrm{m}}$ of acetic acid with concentration is correctly represented as

\(\text { Which of the following lacks hyperconjugative stability? }\)

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

The organic compound 5-allylcyclohex-3-ene-1-ol is reacted with cold, dilute, aqueous solution of $\mathrm{KMnO}_4$. The total number of hydroxyl group(s) $(-\mathrm{OH})$ present in the product is

The molecular formula of the product formed when benzene is reacted with excess of chlorine molecules under ultra-violet light is

Deionised water is obtained by passing hard water through

How many of the following are diprotic acids? Citric acid, chromic acid, oxalic acid, pyrosulphuric acid, sulphurous acid

A liquid mixture is an ideal solution, if
(A) it obeys ideal gas equation
(B) it obeys Raoult's law at all concentrations
(C) solute - solute, solute - solvent and solvent solvent interactions are similar

The freezing point of equimolal aqueous solution will be highest for

Assertion (A) Both rhombic and monoclinic sulphur have $\mathrm{S}_8$ molecules.
Reason (R) They have planar structure.
The correct option among the following is

The minimum temperature required for a non-catalytic reaction between $\mathrm{N}_2$ and $\mathrm{O}_2$ is

The chemical structures of $\mathrm{XeO}_3$ and $\mathrm{XeOF}_4$, respectively, are

Assertion $(\mathrm{A})\left[\mathrm{B}\left(\mathrm{OH}_2\right)_6\right]^{3+}$ and $\left[\mathrm{B}(\mathrm{OH})_4\right]^{-}$form octahedral and tetrahedral structures.
Reason (R) Being electron deficient, boron readily reacts with Lewi...

Which of the following species are isoelectronic species?
(A) $\mathrm{O}^{2-}$
(B) $\mathrm{F}^{-}$
(C) $\mathrm{Na}^{+}$
(D) $\mathrm{Mg}^{2+}$

Arrange the following in increasing order of ionic radii
\(\mathrm{O}^{2-}, \mathrm{Na}^{+}, \mathrm{F}^{-}, \mathrm{Mg}^{2+}\)

Unknown inorganic compound ' $A$ ' is used for water softening. ' $A$ ' reacts with $\mathrm{Na}_2 \mathrm{CO}_3$ to generate an alkaline compound ' $B$ ' whose $\mathrm{pH}=14$. ' $A$ ' on reaction with $\mathrm{CO}_2$ gives cloudy ppt. ' ...

KBr has rock salt type structural arrangements and has a density of
$3.70 \mathrm{~g} / \mathrm{cm}^3$. The edge length of the unit cell is approximately [molecular weight of $\mathrm{KBr}=120 \mathrm{~g} / \mathrm{mol}$ ]

Magnetite can be reduced with CO to yield iron metal and carbon dioxide. Calculate the mass of magnetite (in kg ) needed to obtain 4 kg of iron if the process is $80 \%$ efficient. [Atomic weight of Fe and O are 56 g and 16 g , respectively...

Which of the following gases has the maximum van der Waals' constant ' $a$ '?

The rate of diffusion of methane at 1.0 atm pressure is twice than that of another gas ' $X$ ' kept at 1.45 atm . The molecular mass of the gas ' $X$ ' is

10 g of a gas is adsorbed on 500 g of solid at 10 bar. If the pressure is increased at 20 bar, 14 g of the gas is adsorbed by the same solid at the same temperature. What is the slope of Freundlich adsorption isotherm?

The correct order of " $\Delta H_f^{\circ}$ " values of diamond (I), graphite (II) and fullerene (III) is

In the reaction, $\mathrm{H}_2 \mathrm{O}(l) E \longrightarrow \mathrm{H}_2 \mathrm{O}(s)$ at $0^{\circ} \mathrm{C}$ and 1 atom, the internal energy change is $-41 \mathrm{~kJ} / \mathrm{mol}$. What will be the value of molar enthalpy chang...