List of top Questions asked in TS EAMCET

The activation energy for a reaction at T (K) was found to be \(2.303RT\ J\ mol^{-1}\). The ratio of rate constant to Arrhenius factor is
Identify the sets of ores of the same metal I. Kernite, Kaolinite II. Magnetite, Siderite III. Zincite, Calamine IV. Cuprite, Malachite
Observe the given cell \[ Cr|Cr^{3+}(0.1M)||Fe^{2+}(0.01M)|Fe \] What is the cell potential (in V) for the above cell? Given: \[ E^\circ_{Cr^{3+}/Cr}=-0.74V \] \[ E^\circ_{Fe^{2+}/Fe}=-0.44V \] \[ \frac{2.303RT}{F}=0.06V \]
Which of the following is not correctly matched with the example mentioned in brackets?
AB crystalizes in a bcc lattice. If the distance between two oppositely charged ions in the lattice is 335 pm, then the edge length of it (in pm) is
What is Z in the given sequence of reactions? \[ \text{Propyne} \xrightarrow{H_2/Pd-C,\ Quinoline} X \xrightarrow{H_2O/H^+,443K} Z \]
The compound that is most reactive towards electrophilic nitration is
Which of the following aqueous solution has highest freezing point?
Consider the following: Benzene diazonium chloride, Nitrobenzene, Pyridine, Aniline, Benzylamine, urea. How many of the above compounds are not suitable for the estimation of nitrogen by Kjeldahl's method?
Match the following
The correct answer is
The correct statements about paper chromatography are
• [I.] It is type of adsorption chromatography
• [II.] It is type of partition chromatography
• [III.] Both stationary and mobile phases are liquids
• [IV.] Stationary phase is solid and mobile phase is liquid The correct answer is
Identify the correct statements about Eutrophication
• [I.] It takes place in air
• [II.] It is due to excess oxygen in water
• [III.] It occurs in water
• [IV.] It leads to the destruction of aquatic life The correct answer is
In graphite the C - C bond length with in the layer is X pm and the distance between two adjacent layers is Y pm. X and Y respectively are
Consider the reactions (not balanced) \[ BF_3 + NaH \xrightarrow{450K} A + NaF \] \[ LiH + A \longrightarrow Li^{+}[X]^{-} \] The hybridisation involved in $[X]^{-}$ is
$\Delta H$ and $\Delta S$ for the reaction, $2A+B \rightarrow C$ at 298 K are $400~kJ~mol^{-1}$ and $2~kJ~K^{-1}mol^{-1}$ respectively. At or above $T(K)$, the reaction becomes spontaneous. What is $T(K)$?
The similarities between beryllium and aluminium are
• [I.] The chlorides of both have Cl bridged structure in vapour phase
• [II.] Both have strong tendency to form complexes
• [III.] Maximum covalency of both is 6 The correct answer is
At $27^{\circ}C,$ the ratio of RMS velocity and most probable velocity of $SO_2$ is}
Match the following
The correct answer is
At $T(K)$ consider the following equilibrium reaction \[ HgO(s) \rightleftharpoons Hg(g)+\frac{1}{2}O_2(g) \] The correct relation between $K_p$ and $P_{Total}(P_T)$ is}
The velocity of the photoelectron (\(in~ms^{-1}\)) emitted when a smooth surface of a metal is made to strike with a photon of wavelength \(4\times10^{-7}m\) (\(W_{0}\) of metal \(=2.13~eV\); \(1eV=1.6\times10^{-19}J\); \(h=6.6\times10^{-34}Js\); \(m_{e}=9.1\times10^{-31}kg\))
The set of molecules with different geometry and same type of hybridization is
Identify the correct statements from the following
I. Si and Ge have same electronegativity value
II. The electronic configuration of the element Ds is \([Rn]5f^{14}6d^{10}7s^{2}7p^{3}\)
III. The p-block elements are classified into six groups
In which of the following, elements are arranged in the correct order of their first electron gain enthalpy values?
Given below are two statements
Statement-I: In the conversion of \(O_2^+\) to \(O_2^{2+}\) bond length increases
Statement-II: In the conversion of \(O_2^+\) to \(O_2^{2+}\) magnetic property changes
An AND gate, an OR and a NAND gate are connected as shown in the figure. If the inputs are \(A=0\), \(B=1\) and \(C=0\), then the outputs \(y_{1}\), \(y_{2}\), \(y_{3}\) are respectively