List of top Questions asked in AP EAPCET- 2023

The P − P bond angle in P4 and S − S bond angle in cyclo S8 molecule are respectively
Which of the following are not in accordance with the property mentioned against them? I. \( F_2>Cl_2>Br_2>I_2 \): Oxidising power
II.\( MI>MBr>MCl>MF\): Ionic character of metal halide
III. \( F_2<Cl_2<Br_2<I_2 \): Bond dissociation enthalpy
IV. \( HI<HBr<HCl<HF \): Hydrogen-halogen bond strength
The number of bond pairs of electrons and total number of lone pairs of electrons in XeOF$_4$ are respectively
In which of the following, the molecules are arranged in the increasing order of their bond angles?
If the bond order in \( C_2 \) is \( x \), then the bond order in \( B_2 \) and \( O_2 \), respectively are:
One mole \(\text{H}_2\text{O}(g)\) and one mole \(\text{CO}(g)\) are taken in a 1L flask and heated to 725K. At equilibrium, 40% (by mass) of water reacted with \(\text{CO}(g)\) as follows: \[ \text{H}_2\text{O}(g) + \text{CO}(g) \rightleftharpoons \text{H}_2(g) + \text{CO}_2(g) \] Its \(K_c\) value is:
Among the following the correct statements are
I. Germanium exists only in traces
II. PbF4 molecule is tetrahedral in shape
III. GeX2 is more stable than GeX4

Match the following molecules with their dipole moments:

List IList II
\( \mathrm{H_2O} \)I. 0
\( \mathrm{BF_3} \)II. 0.23
\( \mathrm{NH_3} \)III. 1.47
\( \mathrm{NF_3} \)IV. 1.85
Which of the following is the correct order of increasing number of lone pair of electrons on the ntral atom?

Which of the following statements are correct?
LiF is less soluble in water
NaCl is less ionic than CsCl
Formation of alkali metal halide is an endothermic reaction

In D-glucose and D-fructose, which OH participates in hemiatal/hemiketal formation?
In OF\(_2\), the number of bond pairs and lone pairs of electrons are respectively:
The relation between focal length (f) and radius of curvature (R) of a spherical mirror is
Light enters from air into a given medium at an angle of \( 45^\circ \) with interface of the air-medium surface. After refraction, the light ray is deviated through an angle of \( 15^\circ \) from its original direction. The refractive index of the medium is
A standing wave having 3 nodes and 2 antinodes is formed between two atoms separated by a distance of \( 1.21 \, \text{\AA} \). The wavelength of the wave is:
Telescope has objective diameter 250 cm. For wavelength \( \lambda = 600 \, \text{nm} \), the limit of resolution is:
The refractive index of ionosphere is
When a light ray incidents on the surface of a medium, the reflected light is completely polarized. Then the angle between reflected and refracted rays is:
Two coherent light sources having intensity in the ratio 2:1 produce an interference pattern. Then the value of \( \frac{I_{\text{max}} - I_{\text{min}}}{I_{\text{max}} + I_{\text{min}}} \) will be:
Angular width of ntral maximum of a diffraction pattern due to a single slit does not depend upon
A disc starts rotating from rest with constant acceleration and attains angular velocity of 20 rad/s in 5 seconds. The total angular displacement during this interval is
Two particles of masses 2 kg and 4 kg are separated by a distance of 3 m. The moment of inertia of the system of the two particles about an axis passing through the centre of mass of the system and perpendicular to the line joining the two particles is
A flywheel is rotating at a rate of 150 rev/minute. If it slows at constant retardation of \( \pi \) rads\(^{-2} \), then the time required for the wheel to come to rest is
A spherical portion A of radius \( R \) is removed from a solid sphere B of radius \( 2R \), both centered. The ratio of moments of inertia of remaining part to original is:
A disc of moment of inertia \( 3.5 \, \text{kg m}^2 \) is rotating at \( 30 \, \text{rad/s} \). Torque to stop it in 5 seconds is: