List of top Chemistry Questions asked in AP EAMCET

In which of the following cases, there is no change in hybridization of the central atom?
Which of the following sets of elements is not correctly arranged according to the given property?
If \( v_0 \) is the threshold frequency of a metal X, the correct relation between de Broglie wavelength \( \lambda \) associated with a photoelectron and frequency \( v \) of the incident radiation is:
Two statements are given below:
Statement I: Nitrogen has more ionization enthalpy and electronegativity than beryllium.
Statement II:\( CrO_3 \), \( B_2O_3 \) are acidic oxides.
Correct answer is:
The ratio of ground state energy of \( \text{Li}^{2+}, \text{He}^{+}, \text{H} \) is:
At \( T(K) \) for one mole of an ideal gas, the graph of \( P \) (on y-axis) and \( V^{-1} \) (on x-axis) gave a straight line with slope of \( 32.8 \) L atm mol\(^{-1} \). What is the temperature (in K)? \((R = 0.0821 \text{ L atm mol}^{-1} \text{ K}^{-1})\)
Identify the correct statements from the following:
i. Reaction of hydrogen with fluorine occurs even in dark.
ii. Manufacture of ammonia by Haber process is an endothermic reaction.
iii. HF is an electron-rich hydride.
In which of the following reactions, hydrogen is one of the products?
Two statements are given below:
Statement I: SnF\(_4\), PbF\(_4\) are ionic in nature.
Statement II: GeCl\(_2\) is more stable than GeCl\(_4\).
The correct answer is:
Species A, B, C, D formed in the following bond cleavages respectively are
bond cleavages
Two statements are given below.
Statement I: The reaction Cr$_2$O$_3$ + 2Al → 2Cr + Al$_2$O$_3$ (ΔG° = -421 kJ) is thermodynamically feasible.
Statement II: The above reaction occurs at room temperature.
The correct answer is
Assertion (A): Carboxylic acids are more acidic than phenols.
Reason (R): Resonance structures of carboxylate ion are equivalent, while resonance structures of phenoxide ion are not equivalent.
In the reaction sequence, Y is: \[ CH_3CO_2H \xrightarrow{\text{(1) NH}_3, \text{(2)} \Delta} P \xrightarrow{\text{Br}_2/\text{NaOH}} Y \]
Consider the following reactions. \[ \text{C}_2\text{H}_2 + \text{H}_2\text{O} \xrightarrow[\text{333 K}]{\text{Hg}^{2+}/\text{H}^+} [X] \xrightleftharpoons{\text{Isomerization}} Y \] Y cannot be obtained from which of the following reactions?
What is the major product 'Z' in the following sequence?
major product ’Z’ in the following sequence
Which of the following is not an example of allylic halide?
Polymers that can be softened on heating and hardened on cooling are called
The number of –OH groups in open chain and ring structures of D-glucose are respectively
Conversion of X to Y is an example of
Conversion of X to Y is an example of
‘A’ is a protecting colloid. The following data is obtained for preventing the coagulation of 10 mL of gold sol to which 1 mL of 10% NaCl is added. What is the gold number of ‘A’?
‘A’ is a protecting colloid.
The basicity of H$_3$PO$_2$, H$_3$PO$_3$, H$_3$PO$_4$ respectively is
Which complex among the following is most paramagnetic?
Which of the following reactions of KMnO$_4$ occurs in acidic medium?
Which of the following solutions is used in the styptic action which prevents bleeding of blood?
The rate constant of a first order reaction was doubled when the temperature was increased from 300 to 310 K. What is its approximate activation energy (in kJ mol\(^{-1}\))?
(R = 8.3 J mol\(^{-1}\) K\(^{-1}\), \(\log 2 = 0.3\))