List of top Chemistry Questions asked in TS EAMCET

The catalyst used in the preparation of high density polythene is

Among the following the neutral oxide is

In which of the following transition metal ion (aquated) is not correctly matched with its colour?

In which of the following options, elements are correctly arranged in the increasing order of their atomic radius?

Choose the correct statements 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 hybridization of carbons in graphite and Buckminster fullerene is same

Consider the following statements
Statement I: The electronic configuration of $N_2$ in terms of molecular orbital theory is $KK (\sigma 2s)^2 (\sigma^* 2s)^2 (\pi 2p_x)^2 (\pi 2p_y)^2 (\pi 2p_z)^2$.
Statement II: According to molecular orbital theory, the double bond in $C_2$ molecule consists of two $\pi$ bonds.
The correct answer is

For the reaction \( R \to P \), half life is independent of initial concentration of the reactant, R. Which one of the following graphs is not correct for this reaction?

An oxoacid of phosphorus 'X' reduces silver nitrate solution to metallic silver and gets oxidised to another compound Y. X and Y respectively are

Which of the following compounds are correctly matched with their uses?

Source for vitamin C and vitamin E respectively are:

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

The force (F) required to maintain the flow of layers of a liquid is equal to (A = area of contact of layers, dz = distance between the layers, du = change in velocity, \(\eta\) = coefficient of viscosity)

Which of the following processes are reversible? I. Vaporization 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. Neutralization of an acid by a base.

Consider the following statements
Statement - I : Natural rubber is a polymer of 2-chloro-1, 3-butadiene
Statement - II : 1, 3-Butadiene-styrene copolymer is synthetic rubber
The correct answer is

Which one of the following mixtures can be separated by steam distillation technique?

Composition of siderite ore is

The isobar of one mole of an ideal gas was obtained at P atm. The slope of the isobar is $0.82 L K^{-1}$. What is P (in atm)?

What are $\text{X}$ and $\text{Y}$ in the following reaction sequence?
$\text{C}_5\text{H}_{12}\text{O} \xrightarrow{\text{Cu}/573 \text{ K}} \text{C}_5\text{H}_{10} \xrightarrow{(\text{i}) \text{O}_3, (\text{ii}) \text{Zn}+\text{H}_2\text{O}} \text{X} + \text{Y}$

Which of the following saccharides contain $\beta$-D-glucose units?

Dehydration of an organic acid X with concentrated \(\text{H}_2\text{SO}_4\) at 373K gives \(\text{H}_2\text{O}\) and gas Y. The hybridisation of the carbon in Y and nature of Y are respectively

The ore of which metal is concentrated by leaching?

A substance has a density of \( 2 \, \text{g cm}^{-3} \). It crystallizes in the fcc crystal with an edge length of 600 pm. The molar mass of the substance (in \( \text{g mol}^{-1} \)) is (\( N_A = 6 \times 10^{23} \, \text{mol}^{-1} \))

Xenon hexafluoride on partial hydrolysis gives 'X' and HF. The shape of 'X' is

What is the pH of 0.365% (w/V) HCl aqueous solution? (HCl=36.5 u), (log 0.365=−0.4377)

The correct statements about the products B and C in the given reactions are (Ethanol reacts with HCl/Anhy ZnCl$_2$ to give A. A reacts with ethanolic AgCN to give B (Minor) and C (Major)). I. B and C are functional isomers II. With H$_2$|Catalyst B gives 1$^\circ$ amine and C gives 2$^\circ$ amine III. B on acid hydrolysis gives formic acid and C gives C$_3$H$_6$O$_2$ IV. C forms isocyanate with HgO