List of top Questions asked in TS EAMCET

In bcc lattice containing X and Y type of atoms, X type of atoms are present at the corners and Y type of atoms are present at the centers. In its unit cell, if three atoms are missing in the corners, the formula of the compound is:

Which one of the following is not an example of a condensation polymer?

(1) Terylene
(2) Nylon 6,6
(3) Bakelite
(4) Polystyrene

In Ostwald process of manufacture of nitric acid, 12 moles of NH3 was completely oxidized in air by a catalyst at 500 K and 9 bar. The resultant NO(g) was completely oxidized to NO2(g) and dissolved in water to form nitric acid and NO(g). What is the weight (in g) of nitric acid formed?

What are ‘X’ and 'Y' respectively in the following reactions? 

For a first-order reaction, a plot of \( \ln k \) (y-axis) and \( \frac{1}{T} \) (x-axis) gave a straight line with a slope equal to \( -10^4 \) and an intercept equal to 2.303 (on the y-axis). What is the activation energy \( E_a \) (in kJ/mol) of the reaction? (Given \( R = 8.314 \, \text{J mol}^{-1} \text{K}^{-1} \))

Match the following substances with their respective equivalent weights: 

Among the following, the calcination process is: 

In the following reaction sequence, what are X and Y respectively?
hydrazine (NH2NH2) reacting with the ester
Identify the element for which \( +1 \) oxidation state is more stable than \( +3 \) oxidation state.
Identify the correct statements from the following:
I. \(\text{In}_2\text{O}_3\) is a basic oxide.
II. \(\text{TiCl}_2\) is more ionic in nature than \(\text{TiCl}_3\).
III. Boron reacts with dinitrogen at high temperature to form BN.
Observe the following statements
Statement I : Ca(OH)$_2$; is used in white wash
Statement 11 : \(CaCO_3\) is used as mild abrasive in tooth paste

In the following reaction sequence X and Y respectively are

Observe the following reaction: \[ 2KClO_3 (s) \xrightarrow{\Delta} 2KCl (s) + 3O_2 (g) \] In this reaction: 

Carbon on reaction with hot conc. \( H_2SO_4 \), gives two oxides along with \( H_2O \). What is the nature of these two oxides?

The oxide of nitrogen, 'X' is a blue solid and is acidic in nature. \( X \) is

The IUPAC names of the compounds A and B respectively are

 

Formic acid on heating with concentrated H\(_2\)SO\(_4\) at 373 K gives X, a colourless substance and Y, a good reducing agent. The number of \(\sigma\) and \(\pi\) bonds in X, Y are respectively:

The reagent 'X' used in the following reaction to obtain a good yield of the product is: 

Match the following: List I (Ore) List II (Composition) 
 

The metal having the highest melting point among lanthanides is
Which radical is responsible for depletion of ozone in stratosphere?
If the density of a mixture of nitrogen and oxygen gases at 400 K and 1 atm pressure is 0.920 g L\(^{-1}\), what is the mole fraction of nitrogen in the mixture?

The wavelength of an electron is \( 10^3 \) nm. What is its momentum in kg m s\(^{-1}\)?

Arrange the following halides in decreasing order of their reactivity towards dehydrohalogenation:
decreasing order of their reactivity towards dehydrohalogenation
In which of the following ionic pairs, the second ion is smaller in size than the first ion?