List of top Questions asked in AP EAMCET- 2024

Zinc oxide (white) is heated to high temperature for some time. Observe the following statement regarding above process:
I. Zinc oxide colour changes to pale yellow
II. The type of defect formed is ‘metal deficiency’
III. Some $ Zn^{2+} $ and $ e^- $ are present in interstitial places

The correct order of oxidizing power of the given ions is Given: $ E^{\circ}_{\text{Mg}^{2+}/\text{Mg}} = -2.36 \, \text{V} $ and $ E^{\circ}_{\text{Cl}_2/\text{Cl}^-} = +1.36 \, \text{V}$

The following data is obtained for coagulating a positively charged sol in 2 hours:

What is the coagulating value of electrolyte for this sol?

In which of the following sets, allotropes of carbon are correctly matched with their uses?

Two of the products formed by the reaction of $X$ with HCl are gases. What is $X$? HCl with $X$ forms gaseous products, two of which are identified.

The number of isomers possible for a dibromo derivative (Molecular weight = 186 u) of an alkene is (Br = 80 u):

The standard free energy change ($ \Delta G^\circ $) for the following reaction (in kJ) at 25°C is \[ 3Ca(s) + 2 Au^{+}(aq, 1M) \rightleftharpoons 3Ca^{2+}(aq, 1M) + 2Au(s) \] (given: $ E^\circ_{{Au}^{3+/2+}} = +1.50 \, V $, $ E^\circ_{{Ca}^{2+/Ca}} = -2.87 \, V $, $ F = 96500 \, {C mol}^{-1} $)

The major products X and Y respectively from the following reactions are

What are the major products X and Y respectively in the following reactions? \[ {(CH}_3{)}_3{COONa} + {CH}_2 {CH} {Br} \rightarrow X \] \[ {(CH}_3{)}_3{COCH}_2 {CH}_3 + {CH}_3{COO}{Na} \rightarrow Y \]

What are X and Y respectively in the following reactions?

A mixture of ethyl iodide and n-propyl iodide is subjected to Wurtz reaction. The hydrocarbon which will not be formed is:

The rate constant of a first-order reaction is $ 3.46 \times 10^3 \, {s}^{-1} $ at 298K. What is the rate constant of the reaction at 350 K if its activation energy is 50.1 kJ mol$^{-1}$ (R = 8.314 J K$^{-1}$ mol$^{-1}$)?

At $ T(K) $, the solubility product of $ AX $ is $ 10^{-10} $. What is the molar solubility of $ AX $ in 0.1 M HX solution?

Impure silver ore + CN⁻ + H₂O → [X]⁻ + OH⁻
[X]⁻ + Zn → [Y]²⁺ + Ag (pure)
The co-ordination numbers of the metals in [X], [Y] are respectively:

What is X in the following reaction?

What are A and B in the following reaction sequence?

What are X and Y respectively in the following reactions?

Among the following species, the correct set of isomolecular pairs are: \[ \mathrm{XeO}_3, \, \mathrm{CO}_3^{2-}, \, \mathrm{SO}_3, \, \mathrm{H}_3\mathrm{O}^+, \, \mathrm{ClF}_3 \]

What is the kinetic energy (in $ {J/mol} $) of one mole of an ideal gas (molar mass = $0.01 \, {kg/mol}$) if its rms velocity is $4 \times 10^2 \, {m/s}$?

At STP $x$ g of a metal hydrogen carbonate (MHCO$_3$) (molar mass $84 \, {g/mol}$) on heating gives CO$_2$, which can completely react with $0.02 \, {moles}$ of MOH (molar mass $40 \, {g/mol}$) to give MHCO$_3$. The value of $x$ is:

The mass % of urea solution is 6. The total weight of the solution is 1000 g. What is its concentration in mol L$^{-1}$? (Density of water = 1.0 g mL$^{-1}$)
(Given: C = 12u, N = 14u, O = 16u, H = 1u)

Which of the following are general methods for the preparation of 1-iodopropane?