List of top Questions asked in AP EAMCET- 2024

At 298 K, the ionization constant of $ {CN}^- $ is $ 2.08 \times 10^{-6} $. What is the ionization constant of its conjugate acid? (Given $ K_w = 10^{-14} $)

Which of the following properties of $ {D}_2{O} $ is less when compared to $ {H}_2{O} $?

What is $R_f$ of B in the following reaction?

1 g of $ XY_2 $ is dissolved in 20 g of $ C_6H_6 $. The $ \Delta T_f $ of the resultant solution is 2.318 K. When 1 g of $ XY_4 $ is dissolved in 20 g of $ C_6H_6 $, its $ \Delta T_f $ is found to be 1.314 K. What are the atomic masses of X and Y respectively?
($ k_f $ of $ C_6H_6 $ is 5.1 K kg $ mol^{-1} $)

For a gas, deviation from ideal behaviour is maximum at:

At $T(K)$, the rms velocity of methane is $x \, {ms}^{-1}$. What is the kinetic energy (in J) of 8 g of methane at the same temperature
(Assume methane as an ideal gas)

In which of the following the polymer is correctly matched with the catalyst used for its preparation?
I. Teflon - Persulphate
II. Low density polythene - Triethyl aluminium and titanium tetrachloride
III. Terylene - Zinc acetate/antimony trioxide

Sucrose is a disaccharide of which of the following?

Amino acids are represented by the following general structure:

Find out the pair in which amino acid is correctly matched with its group R:

Match the following:

Which of the following is present in the photochemical smog?

The wavenumber of the first line of the Lyman series of the hydrogen spectrum is equal to the wavenumber of the second line of the Balmer series of $ X^{n+} $ ion. What is $ X^{n+} $?

Two statements are given below:
Statement I: Octet theory accounts for the shape of the molecules.
Statement II: Octet theory does not explain the relative stability of the molecules.
The correct answer is:

At T(K), the decomposition of N2O5(g) is a first-order reaction. The initial pressure of N2O5(g) is 'a' atm. After time, t, the total pressure of the reaction is 'p' atm. The rate constant (k) of the reaction is

Observe the following reaction sequence
Correct statement regarding Y is

The number of ions present in tris(ethane-1,2-diamine)cobalt(III) sulphate is:

What is D in the given sequence of reaction?

What is X in the following reaction?

Observe the following set of reactions:

Correct statement regarding Y and B is:

What is Y in the following reaction sequence?

What are X and Z in the following reaction sequence?

Two statements are given below
Statement I: Benzanamine can be prepared from phthalimide.
Statement II: Benzanamine is less basic than phenyl methanamine.

The electrolyte which is highly effective for the coagulation of antimony sulphide sol is:

Given below are two statements:
Statement I: Diamagnetic $li_2$ molecules are known to exist in the vapour phase.
Statement II: According to MO theory, double bond in $C_2$ consists of both $ \pi $ bonds. The correct option is:

The Tyndall effect is observed only when the following conditions are satisfied:

(A) The diameter of the dispersed particle is much smaller than the wavelength of the light used.
(B) The diameter of the dispersed particle is not much smaller than the wavelength of the light used.
(C) The refractive indices of the dispersed phase and the dispersion medium differ greatly in magnitude.
(D) The refractive indices of the dispersed phase and the dispersion medium are almost similar in magnitude.