List of top Questions asked in AP EAPCET- 2026

What are X and Y respectively in the following set of reactions?
The incorrect statement in the following is:
The metal ion, ligands present in Wilkinson catalyst are respectively
Consider the following statements: Statement-I: Polystyrene is a thermosetting polymer. Statement-II: Bakelite is a thermoplastic polymer.
Match List - I with List - II:
The ore calamine on calcination gives its oxide X. The common name of X is
Which of the following oxoacids of phosphorus has a peroxy ($O-O$) linkage present within its molecular structure?
In the Arrhenius equation, $\exp\left(-\frac{E_{a}}{RT}\right)$, is equal to
An aqueous solution of a non-volatile and non-electrolytic solute boils at $100.5^{\circ}C.$ What will be the freezing point of the same solution? (Given $K_{b}=0.512~K$ kg $mol^{-1}$ and $K_{f}=1.86~K$ kg mol$^{-1}$)
A metal X of atomic mass 75 u forms a cubic lattice of edge length 5 Å. If the density of the lattice is 2 g cm$^{-3}$, the radius (in Å) of the metal atom is ($N=6\times10^{23} \text{ mol}^{-1}$)
At $T(K)$ adsorption of acetic acid on 1g of charcoal gave a Freundlich adsorption isotherm with slope of 0.5 and intercept of 1. What is the value of x, when the concentration of acetic acid is 0.1 mol $L^{-1}$? (Given: $\text{antilog}(0.5) [cite_start]= 3.162$; $\text{antilog}(0.301) = 2.0$)
X, Y and Z represent three electrodes $Al^{3+}/Al$, $Cu^{2+}/Cu$ and $Ag^{+}/Ag$ with $E^{\circ}$ values -1.66, 0.34 and 0.80 V respectively. The correct order of oxidising power of these three electrodes is
Given below are two statements: Statement I: The electrical conductivity of a solution decreases with dilution. Statement II: The overall reaction in $H_{2}-O_{2}$ fuel cell is: $2H_{2}O(l)\longrightarrow2H_{2}(g)+O_{2}(g)$. The correct answer is:
Total number of electrons involved in the formation of bridge bonds in the structure of diborane is
An organic compound containing an extra element E on reaction with $Na_{2}O_{2}$ followed by boiling with $HNO_{3}$ gives a compound. This on treatment with ammonium molybdate solution gives yellow precipitate. What is E?
The number of hyperconjugative hydrogens present in the product Y is \ $CH_{2}=CH_{2} \xrightarrow{\text{HBr}} X \xrightarrow[\text{Anhy. } AlCl_{3}]{C_{6}H_{6}} Y$
Which of the following compounds will exhibit geometrical isomerism?
The conjugate base of $\text{H}_{2}\text{PO}_{4}^{-}$ is
For the reaction $2HI(g)\rightleftharpoons H_{2}(g)+I_{2}(g)$, the correct expression relating the degree of dissociation ($\alpha$) of HI and equilibrium constant $K_{p}$ is
The temporary hardness of water is due to the presence of
Which one of the carbonates is unstable in air and is kept in $CO_{2}$ atmosphere to avoid decomposition?
In gas phase structure of $H_{2}O_{2}$ the dihedral angle is
For a reaction, the rate constant double when temperature is increased from 300 K to 310 K. The activation energy ($E_{a}$) of this reaction is (Take $R = 8.314\text{ J K}^{-1}\text{ mol}^{-1}$)
Identify the correct pair of species having same number of valency electrons
Which of the following orders is not correct for the property mentioned against them?