List of top Chemistry Questions asked in AP EAPCET

The group present in prontosil is
The compounds having coordinated water are:
I. CrCl$_3$.6H$_2$O
II. BaCl$_2$.2H$_2$O
III. CuSO$_4$.5H$_2$O

Match the following

List – I

(Dispersed Phase – Dispersion medium)

A) Solid – Liquid

B) Liquid – Liquid

C) Solid – Gas

D) Liquid – Solid

List – II

(Type of colloid)

I) Gel

II) Aerosol

III) Sol

IV) Emulsion

The correct answer is

What is the major product formed in the reaction given below?

The ion with smallest radius among the following is
If the standard enthalpy change and entropy change of a reaction at 298 K are 11.1 kJ mol$^{-1}$ and 42 J K$^{-1}$ mol$^{-1}$, which one of the following options is correct?
The total number of electrons with magnetic quantum number \(m_l = 0\) in Fe\(^{3+}\) and Cr\(^+\) is respectively
Which of the following is the geminal dichloride?
Which of the following pairs of molecules is isostructural?
The decreasing order of priority for the following functional groups in the IUPAC Nomenclature is: –SO\textsubscript{3}H, –CN, –COOH, –OH, –CHO
The 'X' in the following conversion is $CH_3CH_2COOH \xrightarrow{X} CH_3CHBrCOOH$
The hybridization and number of lone pair of electrons on central atom of SF$_4$ respectively are
One mole \(\text{H}_2\text{O}(g)\) and one mole \(\text{CO}(g)\) are taken in a 1L flask and heated to 725K. At equilibrium, 40% (by mass) of water reacted with \(\text{CO}(g)\) as follows: \[ \text{H}_2\text{O}(g) + \text{CO}(g) \rightleftharpoons \text{H}_2(g) + \text{CO}_2(g) \] Its \(K_c\) value is:
Vinegar and butter are the sources for which of the following carboxylic acids respectively?
The number of extensive and intensive properties in the following list is respectively: Mass, temperature, pressure, enthalpy, heat capacity, internal energy, density
For the reaction $2A(g) + B(g) \rightarrow 2C(g)$, if $\Delta U^\circ = -8.80$ kJ mol$^{-1}$ and $\Delta S^\circ = -50$ J K$^{-1}$ mol$^{-1}$ at 300 K, the correct statement is:
If the work done by 2 mol of an ideal gas during isothermal reversible expansion from 5 L to 50 L is -189.1 L atm at constant pressure, the temperature of the gas (in °C) is
The radius of H atom in its ground state is \(x~\text{pm}\). What is the ratio of radii in ground and \(n = 2\) states of He\(^+\)?
At 298 K, $ K_{\text{sp}} $ of Cu(OH)₂ is $ 2.2 \times 10^{-20} $. What is its solubility in $ 10^{-7} \, \text{M} \, \text{CuCl}_2 $ solution?
Which of the following is not the application of adsorption?
Which of the following is not correct about Grignard reagent?
Which of the following is the correct order of increasing number of lone pair of electrons on the ntral atom?
At T (K) and pressure P, the diffusion rate of an ideal gas is 120 mL min$^{-1}$. What is the time taken (in sec.) for 3000 mL of this gas for diffusion at the same temperature and pressure?
The sum of oxygen atoms in the formulae of peroxysulphuric acid and pyrosulphuric acid is
1.06 g of Na$_2$CO$_3$ (molar mass = 106 g mol$^{-1}$) is dissolved in 500 g water. What is its molality?