List of top Questions asked in TS EAMCET- 2024

Hydrolysis of an alkyl halide \( X \) (\(C_6H_5Br\)) follows second order kinetics. Reaction of \( X \) with \( C_6H_5Cl \) in the presence of Na/dry ether gave \( Y \). Oxidation of \( Y \) in the presence of \( KMnO_4 / OH^- \) gave \( Z \). What are \( Y \) and \( Z \) respectively?
The first ionization enthalpies of the elements X, Y, Z of the second period are 899, 1402, 520 kJ/mol respectively. X, Y, Z respectively are:
Electromagnetic radiation has electric and magnetic field components. These two components:
At 300 K, the vapour pressure of liquids A and B are 600 and 500 mm of Hg respectively. Two moles of A and three moles of B are mixed. The mole fractions of A and B in vapor state are respectively
Among the oxides SiO\(_2\), SO\(_2\), Al\(_2\)O\(_3\), and P\(_2\)O\(_5\), the correct order of acidic strength is:
The wavenumber of the first spectral line of the Lyman series of He\(^+\) ion is \( x \) m\(^{-1}\). What is the wavenumber (in m\(^{-1}\)) of the second spectral line of the Balmer series of Li\(^{2+}\) ion?
Identify the correct statements from the following: (i) Ti (IV) is more stable than Ti (III) and Ti (II)
(ii) Among 3d-series elements (from Z = 22 to 29) only copper has positive reduction potential (\( M^{2+}/M \)) (iii) Both Sc and Zn exhibit +1 oxidation state
The common components of photochemical smog are:
An open vessel containing air was heated from 27°C to 727°C. Some air was expelled. What is the fraction of air remaining in the vessel? (Assume air as an ideal gas)
Distilled water boils at 373.15 K and freezes at 273.15 K. A solution of glucose in distilled water boils at 373.202 K. What is the freezing point (in K) of the same solution? (For water, \( K_b = 0.52 \) kg mol\(^{-1}\), \( K_f = 1.86 \) kg mol\(^{-1}\))
Observe the following species: (i) \( NH_3 \) (ii) \( AlCl_3 \) (iii) \( SnCl_4 \) (iv) \( CO_2 \) (v) \( Ag^+ \) (vi) \( HSO_4^- \) How many of the above species act as Lewis acids?
The normality of a 20-volume solution of hydrogen peroxide is:

Compound ‘A’ on heating with soda lime gives propane. Identify the compound 'A'.

Arrange the following halides in decreasing order of their reactivity towards dehydrohalogenation: 

Consider the following reaction sequence. What are A and B?

Choose the correct statements from the following: I) In vapour phase, \( BeCl_2 \) exists as a chlorobridged dimer.
II) \( BeSO_4 \) is readily soluble in water.
III) \( BeO \) is completely basic in nature.
IV) \( BeCO_3 \), being unstable, is kept in the atmosphere of \( CO_2 \).
V) \( BeCO_3 \) is less soluble among all the carbonates of group 2 elements.

Observe the following reactions (not balanced):

Cl2 + NaOH → NaCl + X + H2O

Cl2 + NaOH → NaCl + Y + H2O

Which of the following has the least electron gain enthalpy?
In the contact process of manufacturing \(\text{H}_2\text{SO}_4\), the arsenic purifier used in the industrial plant contains:

Match the following molecules with their respective molecular shapes:

What is the electrode potential (in V) of copper electrode dipped in \( 10^{-2} \, \text{M} \, \text{Cu}^{2+} \) solution?
Identify the compound which gives CO\(_2\) more readily on heating.

Which of the following industries generate non-biodegradable wastes?

1) Cotton mills
(2) Paper mills
(3) Thermal power plants
(4) Textile factories

Which of the following sequence of reagents convert benzaldehyde to 4-chlorotoluene?
In the following reaction sequence, what are X and Y respectively?
nucleophilic addition of a methoxy group