TS EAMCET 2023 (Online) 13th May Morning Shift

1-propanol can be distinguished from 2-propanol by which test?

The product( $s$ ) formed when $m$-chlorobenzaldehyde is heated with concentrated NaOH is/are

Statement I Aldehyde on reaction with HCN gives cyanohydrin.
Statement II Cyanohydrin is a compound which consists of hydroxy and cyano groups on the same carbon.
Choose the correct answer from the following with reference to above statemen...

When compared with alkaline earth metals, the alkali metals have

The radius of first Bohr orbit of hydrogen atom is same as that of orbit $(n)$ of hydrogen like species $X .(n)$ and $X$ respectively are

The hybridisations of the central atom in the molecules $\mathrm{BF}_3, \mathrm{BeF}_2, \mathrm{BrF}_3$ are respectively.

$\mathrm{Cr}^{2+}$ and $\mathrm{Mn}^{3+}$ do possess $d^4$ electronic configuration. So,

Identify the impossible quantum number set for the electron from the following.

\(\text { The Haworth projection shown below represents }\)

In the following reaction ' $C$ ' is an aromatic compound having substitutents $D$ and $E$. What are $D$ and $E$ ?

From the following, identify the ions with same bond order.
I. $\mathrm{CN}^{-} \quad$ II. $\quad \mathrm{N}_2^{+}$
III. $\mathrm{O}_2^{2-}$ IV. $\mathrm{NO}^{+}$

Which one of the following compounds is having maximum 'lone pair-lone pair' electron repulsions?

\(\text { Match the following. }\)
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At $T(\mathrm{~K})$ when one mol of $X$ and one mol of $Y$ are heated in a 1 L flask, 0.5 moles of $Z$ is formed at the equilibrium. The $K_C$ value of the reaction is
\(X(g)+Y(g) \rightleftharpoons Z(g)+A(g)\)

The rate of a first order reaction doubles when the temperature changes from 300 K to 310 K . The activation energy of the reaction (in $\mathrm{kJ} \mathrm{mol}^{-1}$ ) is ( $R=8.3 \mathrm{JK}^{-1} \mathrm{~mol}^{-1}, \log 2=0.3$ )

Which one of the following will improve the lathering property of soap?

In the following sequence of reaction, identify the major product $B$.

Which of the following reactions are used in the preparation of aliphatic primary amines?
I. Gabriel's phthalimide reaction
II. Hoffmann bromamide reaction
III. Carbylamine reaction
IV. Sandmeyer reaction

\(\text { In the given reaction, what is } X \text { ? }\)

According to Werner's theory, the number of groups bonded to the central metal atom/ion in a coordination complex represent.

The conductivity of a solution of concentration $0.1 \mathrm{~mol} \mathrm{~L}^{-1}$ of a weak monobasic acid $(\mathrm{HA})$ (in $\mathrm{S} \mathrm{cm}^{-1}$ ) is (Given : $\Lambda^{\circ}{ }_{\mathrm{HA}}=400 \mathrm{Scm}^2 \mathrm{~mol}...

Choose the correct decreasing order of reactivity of alkyl halides towards $\mathrm{S}_{\mathrm{N}} 1$ reaction.

An alkene $(X)$ on ozonolysis gives propanal and ethanal. What is $X$ ?

Match the following.
The correct answer is

Identify the correct statements about the hydrides.
I. In saline hydrides oxidation state of hydrogen is +1 .
II. La H is an example of interstitial hydride.
III. $\mathrm{NH}_3, \mathrm{H}_2 \mathrm{O}$ have the tendency to form hydrogen b...

\(\text { The correct IUPAC name of the given structure is }\)

' $x^{\prime} \mathrm{g}$ of urea (molar mass $60 \mathrm{gmol}^{-1}$ ) is completely dissolved in ' $y^{\prime} \mathrm{g}$ of pure water and the solution boiled at 373.202 K . If the boiling point of pure water at $1.01^3$ bar is 373.15 K...

Ellingham diagram is the plot of $X$ vs $Y$, what are $X$ and $Y$ ?

Identify the correct orders from the following with respect to the property associated with
A. $\mathrm{NH}_3>\mathrm{PH}_3>\mathrm{AsH}_3>\mathrm{SbH}_3-$ Bond angle
B. $\mathrm{NH}_3>\mathrm{PH}_3>\mathrm{AsH}_3>\mathrm{SbH}_3-$ Basic cha...

Kernite and cryolite are the minerals of two elements $X$ and $Z$. Respectively $X$ and $Z$ are

Choose the correct statement from the following with reference to inert pair effect.

Choose the correct order of second ionisation enthalpies of carbon, nitrogen, oxygen and fluorine.

A polymer sample contains 3 molecules of molar mass $10^3, 3$ molecules of molar mass 500 and 4 molecules of molar mass 200 . What is it's weight average molecular mass?

Which of the following is the strongest reducing agent?

Assertion (A) Alkali metals and their salts impart characteristic flame colours.
Reason (R) Alkali metals have low ionisation enthalpy values. So, electron excitation is possible. The correct option among the following is

A body centred cubic lattice is made up of two different types of atoms $X$ and $Y$. Atom $X$ occupies the body centre and atoms $Y$ occupy the corner positions. One of the corners is left unoccupied per unit cell. The empirical formula of ...

The masses of carbondioxide and water (in g) respectively formed during complete combustion of 10 g of glucose at STP are

The ratio of rates of diffusion of gases $X$ and $Y$ of molecular weights 36 and 64 is

The graph given below is showing the relation between the extent of adsorption $(x / \mathrm{m})$ and pressure at different temperatures. The correct order of temperatures for curves i , ii and iii is

Enthalpy of formation of $\mathrm{CO}(g), \mathrm{CO}_2(g)$ are -110 , $-393 \mathrm{~kJ} \mathrm{~mol}^{-1}$ respectively. The enthalpy of combustion of CO (in $\mathrm{kJ} \mathrm{mol}^{-1}$ ) is

$x$ and $y$ are two positive integers such that $2 x+3 y=50$. If $x^2 y^3$ is maximum for $x=\alpha$ and $y=\beta$, then $\frac{\alpha}{2}+\frac{\beta}{5}=$

The nearest approximate value of $\sqrt{2023}$ is (let $\Delta x=87$ ).

The slope of the normal drawn at a point $P$ to the curve $y=x^3-10 x^2+31 x-30$ is $-\frac{1}{14}$. If the co-ordinates of $P$ are integers, then the $X$-intercept of the tangent drawn at $P$ to the given curve is

Area of the region bounded by the curve $y=2-x-3 x^2$, the $X$-axis, the $Y$-axis and the line $x=-2$ is

In the expansion of $(x-2 y+3 z)^5$, if the total number of terms is $p$ and the coefficient of $x^2 y z^2$ is $q$, then $\frac{q}{p}=$

If $|x|$ is so small that $x^3$ and higher powers of $x$ can be neglected, then an approximate value of $\frac{1}{\sqrt{4-x}(2+x)^3}$ is

Let $C_0, C_1, C_2, \ldots, C_n$ be the binomial coefficients in the expansion of $(1+x)^n$. If $S_{n+1}=5 \cdot C_0+8 \cdot C_1+11 \cdot C_2+\ldots(n+1)$ terms, then $S_{11}=$

Let $S \equiv x^2+y^2-8 x+10 y+5=0$ be a circle. Let $P(1,1)$ and $Q(1,-1)$ be two points. Then, the point of intersection of the polar of $P$ with respect to $S=0$ and the chord with $Q$ as mid-point to $S=0$ is

Let the line $x-y+1=0$ intersect the circle $x^2+y^2+2 x+2 y+1=0$ in two points $A$ and $B$. If $A B$ is the diameter of the circle $x^2+y^2+2 g x+2 f y+c=0$, then $g+f=$

If $(3,1)$ and $(-2,4)$ are points on a circle $S$ whose centre lies on the line $x-y+1=0$, then the parametric equations of $S$ are