TG EAPCET 2025 (Online) 3rd May Evening Shift

The correct statement about the products $B$ and $C$ in the given reactions are
$$ \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{OH} \xrightarrow[\text { Anhy. } \mathrm{ZnCl}_2]{\mathrm{HCl}} A \xrightarrow[\text { AgCN }]{\text { Ethanolic }} \unde...

$$ \begin{aligned} &\text { What is ' } Z \text { ' in the given set of reactions? }\\ &\mathrm{C}_6 \mathrm{H}_5 \mathrm{OCH}_3 \xrightarrow{\mathrm{HI}} X+Y \end{aligned} $$
$$ Y \xrightarrow[\text { Anhy. } \mathrm{AlCl}_3]{\mathrm{C}_6 ...

Which of the following reactions is an example of Clemmensen reduction?

Work functions of four metals $M_1, M_2, M_3$ and $M_4$ are $4.8,4.3,4.75$ and 3.75 eV respectively. The metals which do not show photoelectric effect when light of wavelength 310 nm falls on the metals are

In the atomic spectrum of hydrogen, the wavelengths of the spectral lines corresponding to electronic transitions (i) $n=4$ to $n=2$ and (ii) $n=3$ to $n=1$ are $\lambda_1$ and $\lambda_2 \mathop {\rm{A}}\limits^{\rm{o}}$ respectively. The ...

Maltose on hydrolysis gives two monosaccharide units. The incorrect statement about the monosaccharides formed is

Which of the following can undergo Hell-Volhard-Zelinsky reaction?

Identify the molecule / ion in which the ratio of $\sigma$ to $\pi$-bonds is $3: 2$

If the sum of bond orders of $\mathrm{O}_2^{-}$and $\mathrm{O}_2^{2-}$ is $x$, then bond order of $\mathrm{O}_2^{2+}$ will be

The half-life of a zero order reaction $A \rightarrow$ products, is 0.5 hour. The initial concentration of $A$ is $4 \mathrm{molL}^{-1}$.
How much time (in hr ) does it take for its concentration to come from $2.0 \mathrm{~mol} \mathrm{~L}^...

Identify the pair of drugs which act as antihistamines?

Total number of geometrical isomers possible for the complexes $\left[\mathrm{NiCl}_4\right]^{2-}$, $\left[\mathrm{CoCl}_2\left(\mathrm{NH}_3\right)_4\right]^{+}$, $\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_3\left(\mathrm{NO}_2\right)_3\r...

Consider the following pairs of elements and identify the pairs of elements which have nearly same atomic radius.
I. Y, La
II. Zr, Hf
III. Mo, W
IV. Cr, Mo

The mole conductivity of acetic acid solution at infinite dilution is $390 \mathrm{~S} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$. What is the molar conductivity of 0.01 M acetic acid solution (in $\mathrm{S} \mathrm{cm}^2 \mathrm{~mol}^{-1}$ )?
(G...

Which of the following is a lung irritant that can lead to an acute respiratory disease in children?

Which of the following is a least stable carbocation?

\(\text { Which of the following has lowest } \mathrm{p} K_a \text { value? }\)

\(\text { Which of the following is not an aromatic species? }\)

Identify the product ' $Y$ ' in the given sequence of reactions

Arrange the following in decreasing order of their boiling points
(A) 2-methylbutane
(B) 2, 2-dimethyl propane
(C) Pentane
(D) Hexane

Temperature of maximum density of $\mathrm{H}_2 \mathrm{O}$ is $y \mathrm{~K}$ and $\mathrm{D}_2 \mathrm{O}$ is $x \mathrm{~K} .(x-y)($ in K$)$ is nearly

At $T(\mathrm{~K})$ in a saturated solution of $\mathrm{MgCO}_3$ and $\mathrm{Ag}_2 \mathrm{CO}_3$, if the concentration of $\mathrm{Mg}^{2+}$ ion is $3.2 \times 10^{-5} \mathrm{M}$, then the concentration of $\mathrm{Ag}^{+}$ion in the sol...

Two liquids ' $A$ ' and ' $B$ ' form an ideal solution. At 300 K , the vapour pressure of a solution containing 1 mole of ' $A$ ' and 3 moles of ' $B$ ' is 550 mm Hg . At the same temperature, if one more mole of ' $B$ ' is added to the sol...

Observe the following statements
Statement I : The choice of reducing agent for the reduction of an oxide ore can be predicted by using Ellingham diagram, a plot of $\Delta G^{\ominus}$ vs $T$.
Statement II : According to Ellingham diagram,...

Diborane on hydrolysis gives a compound $X$. The correct statement about $X$ are
I. It is a tribasic acid
II. It is a weak monobasic acid
III. It has a layer structure
IV. It is highly soluble in water

Noble gas ' $X$ ' is used as a diluent for oxygen in modern diving apparatus and noble gas ' $Y$ ' is used mainly to provide an inert atmosphere in high temperature metallurgical processes ' $Y$ ' and ' $X$ ' are respectively?

The dibasic oxoacid of phosphorus on disproportionation given two products $A$ and $B . A$ and $B$ are respectively.

Which one of the orders is correctly matched with the property mentioned against it?

Choose the correct statement about allotropes of carbon.
I. Graphite has layered structure.
II. Buckminster fullerene is not aromatic in nature.
III. The distance between two adjacent layers in graphite is 141.5 pm .
IV. The hybridisation o...

In second period of the modern periodic table, two elements $X$ and $Y$ have higher first ionisation enthalpy values than the preceding and succeeding elements. $X$ and $Y$ are respectively

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

The correct answer is

In the estimation of nitrogen by Kjeldahl's method 0.933 g of an organic compound ' $X$ ' was analysed. Ammonia evolved was absorbed in 60 mL of 0.1 M $\mathrm{H}_2 \mathrm{SO}_4$. The unreacted acid required 20 mL of 0.1 M NaOH for complet...

In which of the following, oxidation state of nitrogen is lowest?

The number of moles of oxalate ions oxidised by one mole of permanganate ions in acidic medium is

Identify the incorrect order against the property given in brackets

How many of the following metals give oxides and nitrides when burnt in air?
Be, Na, Mg, Ba, Sr, Li, K

The incorrect statement about crystals with schottky defect is

At 298 K , a flask ' $A$ ' of unknown volume $(V)$ contains oxygen at 5 atm . Another flask ' $B$ ' of volume 2 L contains helium at 3 atm . Two flasks are connected together by a small tube of zero volume. After the two gases are completel...

\(\text { Match the following. }\)
$$ \begin{array}{llll} \hline & \text { List-I (Type of colloid) } & & \text { List-II (Example) } \\ \hline \text { A } & \text { Sol } & \text { I } & \text { Cloud } \\ \hline \text { B } & \text { Fo...

Which of the following processes are reversible?
I. Vaporisation of a liquid at its boiling point.
II. Expansion of gas into vacuum.
III. Transformation of a solid substance into liquid at its melting point.IV. Neutralisation of an acid by ...