List of top Chemistry Questions asked in AP EAPCET

Identify the product(s) formed in the following reaction:

The ratio of effective number of atoms in a unit cell of fcc and bcc lattices is

Which of the following is correct for fcc lattice?

Elements A and B have FCC and BCC structures respectively with unit cell edge length $ a = 3 \, \text{Å} $.
The number of atoms in 210 g of A = number of atoms in 594 g of B.
If density of A is $ 7 \, \text{g/cm}^3 $, what is the density of B?

Among the ions O$^{2-}$, Na$^+$, F$^-$, N$^{3-}$, Mg$^{2+}$ the ions with smallest and largest radii are respectively

Identify the correct statements:

The wavelength associated with the electron moving in the first orbit of hydrogen atom with velocity $ 2.2 \times 10^6\, \text{m/s} $ is (in nm):
(Given: $ m_e = 9.0 \times 10^{-31}\, \text{kg},\ h = 6.6 \times 10^{-34}\, \text{Js} $)

The pair of elements that form both oxides and nitrides, when burnt in air are

Identify the correct statements about the anomalous behavior of Boron.

Which of the following solids is not a molecular solid?

In which of the following, oxides of three elements X, Y, and Z are arranged in increasing order of acidic nature? Their electronic configurations are:
X: $[Ne] 3s^2 3p^1$, \quad Y: $[Ne] 3s^2 3p^3$, \quad Z: $[Ne] 3s^2$

Given: \[ \text{CH}_3\text{COOC}_2\text{H}_5 + \text{H}_2\text{O} \rightarrow \text{CH}_3\text{COOH} + \text{C}_2\text{H}_5\text{OH} \] Initial concentrations: Ethyl acetate = 0.001 M, Water = 2 M 99% hydrolyzed in 10 s. Find rate constant $ k $.

The major product of the following reaction is (Grignard Reagent with D2}O)

Which of the following reactions takes places when tertiary butanol passed over heated copper at 573 K ?

The standard Gibbs energy ($\Delta G^\ominus$) for the following reaction is A(s) + B$^{2+}$ (aq) $\rightleftharpoons$ A$^{2+}$ (aq) + B(s), K$_c$=10$^{12}$ at 25$^\circ$C (K$_c$= equilibrium constant)

The pH of 0.01 N lime water is

The anions (A) of $ \text{C}_p\text{A}_q $ molecule form an fcc lattice. Cations (C) are positioned at the body center and half of the edge centers. The formula of the molecule is:

Carbohydrates are stored in plants and animals in which of the following forms respectively?

The standard molar enthalpy of vaporisation ($\Delta_{vap}H^\ominus$) of A, B and C liquids is 23.3, 41 and 29 kJ mol$^{-1}$ respectively. The correct order of dipole-dipole attractive forces in these liquids is

A cubic lattice has A atoms at the body center, B atoms at the corners, C atoms at half of the face centers. The formula of the lattice is

Identify the major product from the following reaction sequence:

A light from Paschen series of hydrogen atom is able to eject photoelectrons from a metal. Then the work function of the metal is

If $ \Delta x $ is the uncertainty in position and $ \Delta v $ is the uncertainty in velocity of a particle and both are equal, then the correct expression for uncertainty in momentum for the same particle is:

The general formula of the compound formed when a metal (M) of group - 1 reacts with non metal (x) of group - 16 is

Match the Following:

Process	Option	Expression
A. Isothermal process	iv	$ W = -nRT \ln\left( \frac{V_f}{V_i} \right) $
B. Adiabatic process	iii	$ W = \Delta U $
C. Isobaric process	ii	$ W = -P \times \Delta V $
D. Isochoric process	i	$ q = \Delta U $

Process	Option	Expression
A. Isothermal process	iv	\( W = -nRT \ln\left( \frac{V_f}{V_i} \right) \)
B. Adiabatic process	iii	\( W = \Delta U \)
C. Isobaric process	ii	\( W = -P \times \Delta V \)
D. Isochoric process	i	\( q = \Delta U \)