TS EAMCET 2023 (Online) 13th May Evening Shift

\(\text { Which of the following reaction is feasible? }\)

In which of the following pairs reactant is correctly matched with reagent that would form benzaldehyde as product?

\(\text { What is } X \text { in the following reaction sequence? }\)

What is the approximate angular momentum (in J s ) of electron in hydrogen atom in its ground state?
\(\left(h=6.625 \times 10^{-34} \mathrm{~J} \mathrm{~s}\right)\)

The energy of electron in hydrogen atom when present in $n=1, n=2$ and $n=3$ will be in the ratio of

A vitamin $X$ is soluble in fat and its source is egg yolk. Deficiency of $X$ causes the disease

In which of the following molecules, the number of lone pairs of electrons on central atom and the number of $d$-orbitals involved in the hybridisation of central atom, is same?

Identify the number of molecules in which the central atom has one lone pair of electrons from the following list.
\(\mathrm{PbCl}_2, \mathrm{PH}_3, \mathrm{ClF}_3, \mathrm{SF}_4, \mathrm{BF}_3, \mathrm{SnCl}_2\)

229, $\mathrm{At} T(\mathrm{~K}), K_C$ value for the reaction, $\frac{1}{3} \mathrm{~N}_2(g)+\mathrm{H}_2(g) \rightleftharpoons \frac{2}{3} \mathrm{NH}_3(g)$ is 50 . The $K_C$ value for the reaction, $2 \mathrm{NH}_3(g) \rightleftharpoons \...

For a zero order reaction $A \rightarrow$ product, a plot of $[A]$ (on $y$-axis) and time (on $x$-axis) gave a straight line with slope equal to $-3 \times 10^{-3} \mathrm{M} \mathrm{min}^{-1}$ and intercept equal to $2 \times 10^{-2} \math...

Identify the pair of drugs which act as tranquilizers

The sequence of reagents which convert $p$-methyl aniline to $p$-methyl benzoic acid are

An amine $(X)$ reacts with $p$-toluene sulphonyl chloride to give the product $Y$, which is insoluble in alkali. The product of $X$ with benzoyl chloride is

Identify the correct set for $\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+}$ ion.
(Hybridisation of $\mathrm{Co}^{3+}$, type of complex, number of unpaired electrons in the complex ion respectively.)

Observe the following ions
\(\mathrm{V}^{2+}, \mathrm{Zn}^{2+}, \mathrm{Cu}^{2+}, \mathrm{Fe}^{2+}, \mathrm{Fe}^{3+}, \mathrm{Ti}^{3+}, \mathrm{Sc}^{3+}, \mathrm{Ti}^{4+}, \mathrm{Ni}^{3+}, \mathrm{Co}^{3+}, \mathrm{Cu}^{+}\)
How many ion...

$A$ and $B$ are two metals. The standard reduction potential of $A^{+}(a q) / A(s)$ and $B^{+}(a q) / B(s)$ are -0.5 V and +0.5 V respectively. What is the $\log K_c$ value for the following reaction at 298 K ?
$$ \begin{aligned} & A(s)+B^{...

The delocalisation of $\sigma$ electrons of C-H bond of an alkyl group with the $\pi$ electrons of benzene is observed in

An alkyl halide $X\left(\mathrm{C}_4 \mathrm{H}_9 \mathrm{Br}\right)$ undergoes nucleophilic substitution by $\mathrm{S}_{\mathrm{N}} 2$ reaction. The product of $X$ on reaction with $\mathrm{Mg} /$ dry ether followed by $\mathrm{D}_2 \math...

An alkene $X\left(\mathrm{C}_6 \mathrm{H}_{12}\right)$ on ozonolysis gave acetaldehyde and ethyl methyl ketone. What is the product formed when $X$ reacts with HBr ?

An alkene $X$ with formula $\mathrm{C}_4 \mathrm{H}_8$ does not exhibit geometrical isomerism. In the conversion of $X$ to $Y$, the correct sequence of reagents $A$ and $B$ used are ( $Y$ gives iodoform test)

Assertion (A) $\mathrm{p} K_a$ of phenol is 4.19 and that of benzoic acid is 10 .
Reason (R) Phenoxide ion is stabilised by non-equivalent resonance structures whereas benzoate ion by two equivalent resonance structures.
The correct option ...

\(\text { The IUPAC name of the following compound is }\)

Liquids $A$ and $B$ form an ideal solution. The vapour pressures of $A$ and $B$ are 50 and 32 mm Hg respectively at 300 K . One mole of liquid $A$ is mixed with 1 mole of liquid $B$. What is the approximate mole fraction of $A$ in vapour ph...

$$ \begin{aligned} 4 \mathrm{Ag}(s)+8 \mathrm{CN}^{-}(a q) & +2 \mathrm{H}_2 \mathrm{O}(a q)+\mathrm{O}_2(g) \longrightarrow 4\left[\mathrm{Ag}(\mathrm{CN})_2\right]^{-}(a q)+4 \mathrm{OH}^{-}(a q) \end{aligned} $$
The above reaction repr...

Consider the following statements about group 13 elements.
A. $\mathrm{AlCl}_3$ gets stability by forming a dimer.
B. $\mathrm{BCl}_3$ is an electron deficient molecule.
C. $E_{M^{3+} / M}^{\circ}(\mathrm{V})$ is +1.26 for aluminium.
D. In ...

Identify the correct statements from the following.
A. In photosynthesis reaction, water is oxidised to oxygen.
B. An example for interstitial hydride is $\mathrm{MgH}_2$.
C. Sodium hexametaphosphate is used in the removal of permanent hard...