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Chemistry
List of top Chemistry Questions asked in AP EAPCET
Which of the following exhibits geometrical isomerism?
AP EAPCET - 2026
AP EAPCET
Chemistry
Isomerism
In a face-centered cubic (fcc) lattice, the number of atoms per unit cell is
AP EAPCET - 2026
AP EAPCET
Chemistry
The solid state
Temporary hardness of water is due to the presence of
AP EAPCET - 2026
AP EAPCET
Chemistry
water
In diborane ($\text{B}_2\text{H}_6$), the number of bridge hydrogens is
AP EAPCET - 2026
AP EAPCET
Chemistry
Group 13 Elements
The oxidation number of sulphur in $\text{H}_2\text{SO}_4$ is}
AP EAPCET - 2026
AP EAPCET
Chemistry
Oxidation Number And Oxidation States
Which allotrope of carbon is thermodynamically most stable?
AP EAPCET - 2026
AP EAPCET
Chemistry
Allotropes of carbon
The pH of a $0.01\text{ M NaOH}$ solution is}
AP EAPCET - 2026
AP EAPCET
Chemistry
Ionic Equilibrium In Solution
Which of the following alkali metals has the lowest melting point?
AP EAPCET - 2026
AP EAPCET
Chemistry
Group 13 Elements
The value of the gas constant $R$ in $\text{J K}^{-1}\text{ mol}^{-1}$ is}
AP EAPCET - 2026
AP EAPCET
Chemistry
Ideal gas equation
According to the kinetic theory of gases, the absolute temperature of a gas is directly proportional to
AP EAPCET - 2026
AP EAPCET
Chemistry
Gas laws
For a spontaneous process at constant temperature and pressure, the change in Gibbs free energy ($\Delta G$) is
AP EAPCET - 2026
AP EAPCET
Chemistry
Work done in Thermodynamics
For the reaction $\text{N}_2\text{(g)} + 3\text{H}_2\text{(g)} \rightleftharpoons 2\text{NH}_3\text{(g)}$, the relation between $K_p$ and $K_c$ is}
AP EAPCET - 2026
AP EAPCET
Chemistry
Law Of Chemical Equilibrium And Equilibrium Constant
Which of the following is a conjugate acid-base pair?
AP EAPCET - 2026
AP EAPCET
Chemistry
Ionic Equilibrium In Solution
The elements with atomic numbers 9, 17, 35, 53 belong to the family of
AP EAPCET - 2026
AP EAPCET
Chemistry
Group 17 Elements
The de Broglie wavelength of a particle of mass $m$ moving with a velocity $v$ is given by
AP EAPCET - 2026
AP EAPCET
Chemistry
Dual nature of matter
Which of the following quantum numbers determines the shape of an orbital?
AP EAPCET - 2026
AP EAPCET
Chemistry
Quantum Mechanical Model of Atom
According to Bohr's model, the angular momentum of an electron in a stable orbit is an integral multiple of
AP EAPCET - 2026
AP EAPCET
Chemistry
Bohr's model of hydrogen atom
Which of the following molecules has a linear shape?
AP EAPCET - 2026
AP EAPCET
Chemistry
Molecular Geometry
The work function of a metal depends on
AP EAPCET - 2026
AP EAPCET
Chemistry
Photoelectric Effect
Which of the following elements has the highest first ionization energy?
AP EAPCET - 2025
AP EAPCET
Chemistry
Inorganic chemistry
From the following identify the change in which electron gain enthalpy is positive. (g = gas phase):
AP EAPCET - 2025
AP EAPCET
Chemistry
Periodic Table
The correct order of electronegativity of group 13 elements is
AP EAPCET - 2025
AP EAPCET
Chemistry
Metallurgy
Which one of the following acts as an autocatalyst during titration of \( KMnO_4 \) and oxalic acid in presence of dilute \( H_2SO_4 \)?
AP EAPCET - 2025
AP EAPCET
Chemistry
Catalysis
Which of the following oxides is amphoteric in nature?
AP EAPCET - 2025
AP EAPCET
Chemistry
Chemical Reactions
A solution containing 7.5 g of urea (molar mass = 60 g/mol) in 1 kg of water freezes at the same temperature as another solution containing 15 g of solute X in the same amount of water. The molar mass of X (g/mol) is
AP EAPCET - 2025
AP EAPCET
Chemistry
Colligative Properties
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