List of top Questions asked in AP EAPCET- 2024

The correct order of covalent bond character of \( BCl_3, CCl_4, BeCl_2, LiCl \) is:

Observe the following structure:
 
The formal charges on the atoms 1, 2, 3 respectively are:

Hydrated sodium aluminum silicate is called:
Which one of the following statements is NOT correct about the compounds of alkaline earth metals?
The number of extensive properties in the following list is: Enthalpy, density, volume, internal energy, temperature.
Identify the molecule for which the enthalpy of atomization \( (\Delta_a H^\circ) \) and bond dissociation enthalpy \( (\Delta_{\text{bond}} H^\circ) \) are not equal.
Identify the correct equation relating \( \Delta H \), \( \Delta U \), and \( \Delta T \) for 1 mole of an ideal gas (R = gas constant):

Observe the following reaction: $ 2A_2(g) + B_2(g) \xrightarrow{T(K)} 2A_2B(g) + 600 \text{ kJ} $. The standard enthalpy of formation $ (\Delta_f H^\circ) $ of $ A_2B(g) $ is:

What are \( X \) and \( Y \) respectively in the following reaction sequence?

 
The incorrect statement about 'B' is: 

The number of nucleophiles in the following list is: \[ CH_3NH_2, \quad CH_3CHO, \quad C_2H_4, \quad CH_3SH \]

The conversion of X to Y is:

Consider the reactions:

What are X and Y respectively in the following reactions?

What are X and Y respectively in the following reactions

Consider the following reactions:
 
 Y and Z respectively are:

An alcohol \( X \) (\( C_4H_{10}O \)) does not give turbidity with conc. HCl and ZnCl\(_2\) at room temperature. \( X \) on reaction with reagent \( Y \) gives \( Z \). What are \( X \), \( Y \), and \( Z \) respectively?
The two reactions involved in the conversion of benzene diazonium chloride to biphenyl are respectively
Number of deactivating groups among: \( -Cl, -SO_3H, -OH, -NHC_2H_5, -COOCH_3, -CH_3 \)
A nucleus with atomic mass number \( A \) produces another nucleus by losing 2 alpha particles. The volume of the new nucleus is 60 times that of the alpha particle. The atomic mass number \( A \) of the original nucleus is:
A charged particle moving along a straight-line path enters a uniform magnetic field of \( 4 \) mT at right angles to the direction of the magnetic field. If the specific charge of the charged particle is \( 8 \times 10^7 \) C/kg, the angular velocity of the particle in the magnetic field is:
The charge \( q \) (in coulombs) passing through a \( 10 \Omega \) resistor as a function of time \( t \) (in seconds) is given by: \[ q = 3t^2 - 2t + 6 \] The potential difference across the ends of the resistor at time \( t = 5 \) s is:
The radius of cross-section of the cylindrical tube of a spray pump is 2 cm. One end of the pump has 50 fine holes each of radius 0.4 mm. If the speed of flow of the liquid inside the tube is 0.04 m/s, the speed of ejection of the liquid from the holes is:

The acceleration of a particle which moves along the positive \( x \)-axis varies with its position as shown in the figure. If the velocity of the particle is \( 0.8 \, \text{m/s} \) at \( x = 0 \), then its velocity at \( x = 1.4 \, \text{m} \) is:

A particle is projected from the surface of the Earth with a velocity equal to twice the escape velocity. When the particle is far from the Earth, its speed will be:
In case of diffraction, if \( a \) is a slit width and \( \lambda \) is the wavelength of the incident light, then the required condition for diffraction to take place is: