List of top Chemistry Questions asked in TS EAMCET

The set of elements which obey the general electronic configuration \( (n-1)d^{10} ns^2 \) is:}

The common components of photochemical smog are:
Electromagnetic radiation has electric and magnetic field components. These two components:
Kaolinite is a silicate mineral of metal 'X' and calamine is a carbonate mineral of metal 'Y'. X and Y respectively are:

The correct order of boiling points of hydrogen halides is: 

Observe the following reaction. This reaction represents: \[ 4HCl + O_2 \xrightarrow{CuCl_2, 723K} 2Cl_2 + 2H_2O \]

Which of the following industries generate non-biodegradable wastes?

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

The alkane which is next to methane in the homologous series can be prepared from which of the following reactions? 

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

The diffraction pattern of a crystalline solid gave a peak at \( 2\theta = 60^\circ \). Its ‘d’ value is 1.54 Å. What is the wavelength (in cm) of X-rays used?
For the reaction at \( T(K) \), \( A_2(g) \rightleftharpoons B_2(g) \), \( K_c \) for the reaction at \( T(K) \) is 39.0. In a closed 1L flask, one mole of \( A_2(g) \) was heated to \( T(K) \). What is the concentration of \( B_2(g) \) at equilibrium (in mol L\(^{-1}\))?
What is the electrode potential (in V) of copper electrode dipped in \( 10^{-2} \, \text{M} \, \text{Cu}^{2+} \) solution?

Observe the following reactions (not balanced):

Cl2 + NaOH → NaCl + X + H2O

Cl2 + NaOH → NaCl + Y + H2O

The technique used to purify an organic compound present in aqueous medium and which is less soluble in organic solvent is
The normality of a 20-volume solution of hydrogen peroxide is:
In the contact process of manufacturing \(\text{H}_2\text{SO}_4\), the arsenic purifier used in the industrial plant contains:
For the reaction at \( T(K) \), \( A_2(g) \rightleftharpoons B_2(g) \), \( K_c \) for the reaction at \( T(K) \) is 39.0. In a closed 1L flask, one mole of \( A_2(g) \) was heated to \( T(K) \). What is the concentration of \( B_2(g) \) at equilibrium (in mol L\(^{-1}\))?

Assertion (A): Silicones are used for waterproofing of fabrics. 
Reason (R): The repeating unit in silicones is 

Identify the compound which gives CO\(_2\) more readily on heating.

What is the major product Z in the given reaction sequence?

Assertion (A): Silicones are used in surgical and cosmetic plants Reason (R): Silicones have high thermal stability
Two statements are given below Statement I: Liquid A and liquid B form a non-ideal solution with positive deviation. \hspace{0.5cm} The interactions between A and B are weaker than A–A and B–B interactions. Statement II: For an ideal solution, \(\Delta_{\text{mix}} H = 2 \text{ kJ mol}^{-1} \); \(\Delta_{\text{mix}} V = 0\).
Which of the following has the least electron gain enthalpy?
From the following, identify the set that contains all meta directing groups:
Observe the oxides \( CO, B_2O_3, SiO_2, CO_2, Al_2O_3, PbO_2, Tl_2O_3 \). The number of acidic oxides in the list is: