List of top Questions asked in TS EAMCET

The following graph is obtained for the adsorption of a gas on the surface of a catalyst. The values of k and n are respectively

The number of lone pairs of electrons on the central atom of $ ClF_3, NF_3, SF_4, XeF_4 $ respectively are?

10 mL of 0.5 M NaCl is required to coagulate 1L of $ Sb_2S_3 $ sol in 2 hours time. The flocculating value of NaCl (in millimoles) is:

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

The bromides formed by the cleavage of ethers A and B with HBr respectively are:

Two statements are given below: Statement I: The boiling points of alcohols increase with increase of branching in carbon chain.
Statement II: The solubility of alcohol decreases with increase in size of alkyl group.

A hydrocarbon containing C and H has 92.3\% of C. When 52 g of hydrocarbon is completely burnt in oxygen, $ x $ moles of water and $ y $ moles of CO$_2$ were formed. The liberated water is sufficient to liberate one mole of H$_2$ when reacted with sodium metal. What is the weight (in g) of O$_2$ consumed?

The pair of molecules/ions with same geometry but central atoms in different states of hybridization is:

Consider the following reactions: \[ \text{Cs} + O_2 (\text{excess}) \rightarrow X \] \[ \text{Cs} + O_2 (\text{limited}) \rightarrow X \] \[ \text{Na} + O_2 \rightarrow Y \] Identify the correct statement about $ X $ and $ Y $.

An element with molar mass $ 2.7 \times 10^{-2} $ kg mol$^{-1}$ forms a cubic unit cell with an edge length of 405 pm. If its density is $ 2.7 \times 10^3 $ kg m$^{-3}$, the number of atoms present in one unit cell is: (Given: $ N_A = 6.023 \times 10^{23} $ mol$^{-1}$)

In the given reaction sequence, identify Z.

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

Observe the following reactions: \[ \text{I. } H_2O(l) + 2Na(s) \rightarrow 2NaOH(aq) + H_2(g) \] \[ \text{II. } 2H_2O(l) + 2F_2(g) \rightarrow 4H^+(aq) + 4F^-(aq) + O_2(g) \] Identify the correct statement:

Two statements are given below: Statement I: In H atom, the energy of 2s and 2p orbitals is the same.
Statement II: In He atom, the energy of 2s and 2p orbitals is the same.

What is the energy (in J) required to transfer the electron from $ n = 1 $ to $ n = 2 $ state in $ \text{Li}^{2+} $? (K = constant $ 2.18 \times 10^{-18} $ J)

Which of the following statements is correct regarding boric acid?

The hydroxide of which of the following metal reacts with both acid and alkali?

Adsorption of a gas on a solid adsorbent follows the Freundlich adsorption isotherm. If $x$ is the mass of the gas adsorbed on mass $m$ of the adsorbent at pressure $p$, and from the graph of $\log\left(\frac{x}{m}\right)$ vs. $\log p$ we obtain a slope of $\tfrac{1}{2}$, then the extent of adsorption is proportional to: