List of top Questions asked in TS EAMCET- 2025

If the eight vertices of a regular octagon are given by the complex numbers $\frac{1}{x_j-2i}$ ($j=1,2,3,4,5,6,7,8$), then the radius of the circumcircle of the octagon is

The number of real values of 'a', for which the system of equations $2x+3y+az = 0$, $x+ay-2z=0$ and $3x+y+3z = 0$ has nontrivial solutions is

A is a $3 \times 3$ matrix satisfying $A^3 - 5A^2 + 7A + I = 0$. If $A^5 - 6A^4 + 12A^3 - 6A^2 + 2A + 2I = lA + mI$, then $l + m =$

If $A = \begin{pmatrix} 0 & 1 & 2 \\ 1 & 2 & 3 \\ 3 & x & 1 \end{pmatrix}$, $A^{-1} = \frac{1}{2} \begin{pmatrix} 1 & -1 & 1 \\ -8 & 6 & 2y \\ 5 & -3 & 1 \end{pmatrix}$ then the point $(x,y)$ lies on the curve

The reaction of benzene with CO and HCl in the presence of anhydrous AlCl\(_3\) gives a compound X. X can also be obtained from which of the following reaction?

What is the product 'Z' in the given sequence of reactions?

The ratio of \(\sigma\) bonds to \(\pi\) bonds in Q is

What is the major product 'Z' in the given reaction sequence?

Cumene on oxidation in air gives a compound, X. This on reaction with dilute acid gives Y and Z. Y reacts with sodium metal and not Z. What is Z?

Polymer X is an example of polyester and Y is an example of polyamide. X and Y are respectively

The general structure of alpha amino acid can be represented as

. Which amino acid is not correctly matched with R-given?

Consider the following
Assertion (A): Aspirin is useful in the prevention of heart attacks
Reason (R): Aspirin acts as anti-blood clotting agent
The correct answer is

The ore of which metal is concentrated by leaching?

Arrange the following molecules in the correct order of their bond angles:

What are the products formed when ammonium dichromate is thermally decomposed?

Sulphur dioxide on reaction with chlorine in the presence of charcoal gives compound (A). This on reaction with white phosphorus gives SO\(_2\) and compound (B). The correct statement about 'B' is

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

Sodium metal crystallises in a body centred cubic lattice with edge length of x Å. If the radius of sodium atom is 1.86 Å, the value of x is

In a mixture of liquids A and B, if the mole fractions of component A in vapour phase and liquid mixture are \(x_1\) and \(x_2\) respectively, then the total vapour pressure of liquid mixture is (where P\(_A^0\) and P\(_B^0\) are the vapour pressures of pure A and B)

A current of 0.5 ampere is passed through molten AlCl\(_3\) for 96.5 seconds. The mass of aluminium deposited at cathode is x mg and volume of chlorine liberated (at STP) at anode is y mL. x and y are respectively

R\(\rightarrow\)P is a first order reaction. For this reaction a graph of ln[R] (on y-axis) and time (on x-axis) gave a straight line with negative slope. The intercept on y-axis is equal to (k=rate constant)

The correct statements about the properties of colloidal solutions are
A. Tyndall effect is used to distinguish between a colloidal solution and a true solution
B. Zeta potential is related to movement of colloidal particles
C. Brownian motion in colloidal solution is faster if the viscosity of the solution is very high
D. Brownian motion stabilises the sols

Which purification method is generally used for a high boiling organic liquid compound, which decompose below its boiling point?

Match the following

Which of the following is not the common component of photochemical smog?