List of top Questions asked in AP EAMCET

What are the variables in the graph of powder diffraction pattern of a crystalline solid?

If the eccentricity of the hyperbola $ \frac{x^2}{a^2} - \frac{y^2}{b^2} = 1 $ is $ \sec \alpha $, then the area of the triangle formed by the asymptotes of the hyperbola with any of its tangent is:

The $ E^\Theta $ of $ M^{2+}|M $ is 0.3 V. At what concentration of $ Cu^{2+} $ (in mol $ L^{-1} $), the $ E_{\text{cell}} $ value becomes zero?
$ \left(\frac{2.303RT}{F} = 0.06\right) $ (Conc. of $ M^{2+} = 0.1M $).

Which of the following does not show optical isomerism?

When chlorine reacts with hot and conc. NaOH, the products formed are

Identify the basic oxide from the following

Which of the following is NOT correctly matched?

In which of the following reactions, dihydrogen is not evolved?

100 mL of $ M \times 10^{-1} $ Ca(NO₃)₂ and 200 mL of $ M \times 10^{-1} $ KNO₃ solutions are mixed. What is the normality of the resulted solution with respect to NO₃⁻?

At 298 K, for a first order reaction (A → P) the following graph is obtained. The rate constant (in s$^{-1}$) and initial concentration (in mol L$^{-1}$) of ‘A’ are respectively:

A solution was prepared by dissolving 0.1 mole of a non-volatile solute in 0.9 moles of water. What is the relative lowering of vapor pressure of the solution?

At 293 K, methane gas was passed into 1 L of water. The partial pressure of methane is 1 bar. The number of moles of methane dissolved in 1 L water is
(K$_H$ of methane = 0.4 kbar).

The standard free energy change ($ \Delta G^\circ $) for the following reaction (in kJ) at 25°C is \[ 3Ca(s) + 2 Au^{+}(aq, 1M) \rightleftharpoons 3Ca^{2+}(aq, 1M) + 2Au(s) \] (given: $ E^\circ_{{Au}^{3+/2+}} = +1.50 \, V $, $ E^\circ_{{Ca}^{2+/Ca}} = -2.87 \, V $, $ F = 96500 \, {C mol}^{-1} $)

The rate constant of a first-order reaction is $ 3.46 \times 10^3 \, {s}^{-1} $ at 298K. What is the rate constant of the reaction at 350 K if its activation energy is 50.1 kJ mol$^{-1}$ (R = 8.314 J K$^{-1}$ mol$^{-1}$)?

The correct statement regarding chemisorption is

Which of the following is incorrectly matched?

In the reaction of sulfur with concentrated sulfuric acid, the oxidised product is X and reduced product is Y. X and Y are respectively:

Which of the following lanthanides have [Xe] 4f⁵ 5d¹ 6s² configuration in their ground state?

How many of the following ligands are stronger than H₂O? \[ {S}^{2-}, \, {Br}^-, \, {C}_2{O}_4^{2-}, \, {CN}^-, \, {en}, \, {NH}_3, \, {CO}, \, {OH}^- \]

The common monomer for both Terylene and Glyptal is

Which of the following structure of proteins represents its constitution?

Match the following

At $ 27^\circ C $, the degree of dissociation of weak acid (HA) in its 0.5M aqueous solution is 1%. Its $ K_a $ value is approximately:

From the following, identify the groups that exhibit negative resonance (-R) effect when attached to a conjugated system: \[ \text{Formyl (A), Amino (B), Alkoxy (C), Cyano (D), Nitro (E)} \]

The major products X and Y respectively from the following reactions are