List of top Chemistry Questions asked in AP EAPCET

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?

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 $

For a first-order reaction, the concentration of reactant was reduced from 0.03 mol L$^{-1}$ to 0.02 mol L$^{-1}$ in 25 min. What is its rate (in mol L$^{-1}$ s$^{-1}$)?

The paramagnetic complex ion which has no unpaired electrons in $ t_{2g} $ orbitals is

The osmotic pressure of seawater is 1.05 atm. Four experiments were carried out as shown in the table. In which of the following experiments, pure water can be obtained in part-II of the vessel?

Which transition metal does not form ‘MO’ type oxide? (M = transition metal)

At 133.33 K, the RMS velocity of an ideal gas is \[ (M = 0.083 \text{ kg mol}^{-1}, R = 8.3 \text{ J mol}^{-1} \text{ K}^{-1}) \]

Ba, Ca, Sr form halide hydrates. Their formulae are $ BaCl_2 \cdot xH_2O $, $ CaCl_2 \cdot yH_2O $, $ SrCl_2 \cdot zH_2O $. The values of $ x, y, z $ respectively are:

The density of nitric acid solution is 1.5 g mL$^{-1}$. Its weight percentage is 68. What is the approximate concentration (in mol L$^{-1}$) of nitric acid? (N = 14 u; O = 16 u; H = 1 u)