List of top Questions asked in AP EAPCET- 2025

In which of the following reactions of H$_2$O$_2$, dioxygen is evolved? (only = O$_2$ evolved)
I) With HOCl in acidic medium
II) With permanganate in acidic medium
III) With permanganate in basic medium
In acid medium, dichromate oxidizes sulphite to sulphate. In this redox reaction, the oxidation state of sulphur changes from \(x\) to \(y\). What is the value of \(x + y\)?
100 mL of aqueous solution of 0.05 M Cu$^{2+}$ is added to 1 L of 0.1 M KI solution. The resultant solution was titrated with 0.1 M Na$_2$S$_2$O$_3$ solution using starch indicator until blue color disappeared. What is the volume (in mL) of Na$_2$S$_2$O$_3$ used?
Which of the following has the highest ionization energy?
Which element has the smallest atomic radius among the following?
The ratio of wavelengths of first line (\( n_2 = 3 \)) and second line (\( n_2 = 4 \)) of Balmer series of hydrogen spectrum is
The ratio of wavelengths of first line (\( n_2 = 3 \)) and second line (\( n_2 = 4 \)) of Balmer series of hydrogen spectrum is
Choose the incorrect statement from the following:
Match the following
The orbital with number of total nodes as 3 and angular nodes as 3 is
The period and group numbers of the element having maximum electronegativity in the long form of periodic table, respectively, are
Identify the set containing isoelectronic species.

Which of the following represents the wavelength of spectral line of Balmer series of He$^+$ ion? (R = Rydberg constant, n $>$ 2)

A polymer sample contains 10 molecules each with molecular mass 5,000 and 5 molecules each with molecular mass 50,000. The number average molecular mass of the polymer sample is
In which polymer preparation, Ziegler–Natta catalyst is used?
Which of the following is the common monomer for the polymers Bakelite and Melamine?

Match the following polymers with their applications:

Which one of the statements regarding X is not correct?
3-Hydroxybutanoic acid → 3-Hydroxypentanoic acid → X X is:
Identify the correct set from the following:
Novolac is formed by the polymerisation of monomer 'x' in the presence of OH– ions. What is 'x'?
Consider the following:
Statement-I: Nylon 6 is a condensation copolymer.
Statement-II: Nylon 6,6 is a condensation polymer of adipic acid and tetramethylene diamine.
The correct answer is
The correct statement regarding X and Y in the following set of reactions is
Match the following polymers with their applications: \begin{center} \begin{tabular}{|c|c|} \hline List-I (Polymer) & List-II (Used in making)
\hline
The correct statement regarding X and Y in the following set of reactions is
Which of the following represents the correct structure of \( \beta\text{-}D\text{-}(-)\text{-} \) Fructofuranose?