List of top Chemistry Questions asked in TS EAMCET

Which of the following will be the product of Hell-Volhard-Zelinsky reaction?

Identify the correctly matched pairs from the following set

The correct answer is

Which one of the following complexes has least number of stereoisomers?

Given below are two statements Statement-I: Due to lanthanoid contraction 4d- and 5d-series of elements have more or less same atomic and ionic radii Statement-II: Lanthanoids exhibit more number of oxidation states than actinoids

The transition temperature of sulphur is

Which of the following represents the correct pyranose structure of \(\beta\)-D-(+) glucose?

Which of the following orders are correct for the stated property?

Identify the sets of ores of the same metal I. Kernite, Kaolinite II. Magnetite, Siderite III. Zincite, Calamine IV. Cuprite, Malachite

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

Noble metals like Au, Pt dissolve in a mixture of

Which of the following is not correctly matched with the example mentioned in brackets?

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: \[ E^\circ_{Cr^{3+}/Cr}=-0.74V \] \[ E^\circ_{Fe^{2+}/Fe}=-0.44V \] \[ \frac{2.303RT}{F}=0.06V \]

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

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?

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

Which of the following aqueous solution has highest freezing point?

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

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

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

Consider the reactions (not balanced) \[ BF_3 + NaH \xrightarrow{450K} A + NaF \] \[ LiH + A \longrightarrow Li^{+}[X]^{-} \] The hybridisation involved in $[X]^{-}$ is

Match the following

The correct answer is

Match the following

The correct answer is

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 $T(K)$ 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}