List of top Questions asked in TS EAMCET- 2025

Which of the following solution has highest amount of solute?

Identify the correct statements about photochemical smog
I. PAN is one of the components of photochemical smog
II. It forms cracks in rubber
III. It is an oxidizing smog

At 298 K, the enthalpy change (in kJ) for the reaction given below is: \( \text{CH}_4(g) + \text{O}_2(g) \to \text{C}(s) + 2\text{H}_2\text{O}(l) \) (Given: \( \text{H}_2(g) + \frac{1}{2}\text{O}_2(g) \to \text{H}_2\text{O}(l); \Delta H^\ominus = -286 \text{ kJ} \) \( \text{C}(s) + \text{O}_2(g) \to \text{CO}_2(g); \Delta H^\ominus = -394 \text{ kJ} \) \( \text{CH}_4(g) + 2\text{O}_2(g) \to \text{CO}_2(g) + 2\text{H}_2\text{O}(l); \Delta H^\ominus = -890 \text{ kJ} \))

Which one of the following statements is not correct?

A metal (M), crystallizes in $\text{fcc}$ lattice with edge length of $4.242 \text{ \AA}$. What is the radius of $\text{M}$ atom (in $\text{\AA}$)?

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

Change in oxidation state of sulphur during oxidation of thiosulphate ion in neutral/alkaline solution by KMnO$_4$ is:

A solid contains elements A and B. Anions of B form ccp lattice. Cations of A occupy 50% of octahedral voids and 50% of tetrahedral voids. What is the molecular formula of the solid?

The correct order of atomic radii of Al, Ga, In, Tl is

Which of the following has lowest pK$_a$ value?

What are X and Y in the following reaction sequence?
2-Methylbutane $\xrightarrow{\text{KMnO}_4}$ X$\xrightarrow{\text{Y}}$ C5H11Cl

For the alkyne with formula \( \text{C}_6\text{H}_{10} \), the number of alkynes with acidic hydrogens is \( x \) and number of alkynes with no acidic hydrogens is \( y \). \( x \) and \( y \) are respectively

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

The incorrect statement about the oxidation states of group 14 elements is

Consider the following statements
Statement I: Benzene undergoes electrophilic substitution with excess chlorine in the presence of anhydrous AlCl$_3$
Statement - II: Benzene also undergoes electrophilic substitution with chlorine in the presence of UV light.
The correct answer is

What are X, Y, Z in the following reaction sequence?

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

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

Phosphorus on reaction with sulphuryl chloride gives a compound X, which on complete hydrolysis gives Y. X and Y are respectively

The number of lone pairs of electrons on the central atom of $\text{XeO}_3, \text{XeOF}_4$ and $\text{XeF}_6$ respectively is

Identify correctly matched sets:
I. NaHCO$_3$ - fire extinguisher
II. Na$_2$CO$_3$ - water softening
III. NaOH - purification of bauxite

What are X and Y in the following reaction sequence?

Which of the following statements is not correct?

Zinc on reaction with concentrated nitric acid gives an oxide of nitrogen (A). Zinc with dilute nitric acid gives another oxide of nitrogen (B). Oxidation numbers of nitrogen in (A) & (B) are respectively

In which of the following the s-block elements are arranged in the correct order of their melting points?