List of top Chemistry Questions asked in AP EAMCET

Which of the following occurs with KMnO\(_4\) in neutral medium?
The correct order of covalent bond character of \( BCl_3, CCl_4, BeCl_2, LiCl \) is:
Cobalt (III) chloride forms a green-colored complex ‘X’ with NH\(_3\). Number of moles of AgCl formed when excess AgNO\(_3\) solution is added to 100 mL of 1M solution of ‘X’ is:
Identify the method of preparation of a colloidal sol from the following:
Evaluate the correctness of the given statements.
Hydrated sodium aluminum silicate is called:
The equilibrium constant for the dissociation of HI at 773 K is:
If \( \lambda_0 \) and \( \lambda \) are respectively the threshold wavelength and wavelength of incident light, the velocity of photoelectrons ejected from the metal surface is:
A flask contains 98 mg of H₂SO₄. If \( 3.01 \times 10^{20} \) molecules of H₂SO₄ are removed from the flask, the number of moles of H₂SO₄ remaining in the flask is (\( N = 6.02 \times 10^{23} \)):

Observe the following amino acids: 

\includegraphics[width=4cm]{148.png} X, Y are oxoacids of phosphorous. The number of P – OH bonds in X, Y respectively is:
Identify the correct equation relating \( \Delta H \), \( \Delta U \), and \( \Delta T \) for 1 mole of an ideal gas (R = gas constant):
Number of deactivating groups among: \( -Cl, -SO_3H, -OH, -NHC_2H_5, -COOCH_3, -CH_3 \)
IUPAC names of the following compounds A and B are: \includegraphics[]{160.png}
A → P is a zero-order reaction. At 298 K, the rate constant of the reaction is \( 1 \times 10^{-3} \) mol L\(^{-1}\) s\(^{-1}\). Initial concentration of 'A' is 0.1 mol L\(^{-1}\). What is the concentration of 'A' after 10 sec?
At \( T(K) \), the \( P, V \) and \( u_{{rms}} \) of 1 mole of an ideal gas were measured. The following graph is obtained. What is its slope (\( m \))? (x-axis = \( PV \); y-axis = \( u_{{rms}}^2 \); \( M \) = Molar mass) \includegraphics[]{126.png}
In which of the following pairs, both molecules possess dipole moment?
What are X and Y respectively in the following reactions? \includegraphics[]{159.png}
Identify the correctly matched set from the following:
What are \( X \) and \( Y \) respectively in the following reaction sequence? \begin{center} \includegraphics[]{139.png} \end{center}

At 293 K, the density of an aqueous solution containing 120 g of urea (NH\(_2\)CONH\(_2\)) per dm\(^3\) is 1.02 kg dm\(^{-3}\). The mole fraction of urea is approximately: 

Which of the allotropic forms of carbon is aromatic in nature?
The difference in radii between fourth and third Bohr orbits of \( He^+ \) (in m) is:
Consider the following standard electrode potentials (\(E^\circ\) in volts) in aqueous solution: \includegraphics[]{135.png} Based on this data, which of the following statements is correct?

Which of the following alkenes is most stable?