List of top Chemistry Questions asked in CUET (UG)

The correct order of acidic strength is: \[ CH_3COOH,\quad ClCH_2COOH,\quad Cl_2CHCOOH,\quad Cl_3CCOOH \]

The number of stereoisomers possible for the compound \(CH_3CH(OH)CH(OH)CH_3\) is:

The standard electrode potentials are: \[ E^\circ_{Cu^{2+}/Cu}=+0.34V \] \[ E^\circ_{Zn^{2+}/Zn}=-0.76V \] The standard emf of the Daniell cell is:

The major product obtained when phenol is treated with bromine water is:

Among the following species, which one has the highest bond order according to Molecular Orbital Theory?

A first-order reaction has a half-life of 20 minutes. The time required for \(87.5%\) completion of the reaction is:

The incorrect statement regarding d-block elements is:

The value of pH for a \(10^{-8}\,M\) HCl solution at \(25^\circ C\) is closest to:

Which of the following compounds exhibits the maximum hydrogen bonding in the liquid state?

The number of geometrical isomers possible for the complex \([Co(en)_2Cl_2]^+\) is:

Match Structure with their Common Name:

Choose the correct answer from the options given below:

What would be the major product when propene reacts with water in presence of acid catalyst?

Match Reaction with Reagent Required:

Choose the correct answer from the options given below:

Choose the correct statements: (A) For a gaseous reaction if the concentration of gas is expressed in terms of their partial pressure atm and time in minutes then unit of rate are \(\mathrm{atm\ min^{-1}}\). (B) The sum of power of the concentration of the reactants in the rate law expression is called order of that reaction. (C) The thermal decomposition of HI on gold surface is an example of second order reaction. (D) The overall rate of the reaction is controlled by the slowest step in a reaction called the rate determining step. Choose the correct answer from the options given below:

The standard Gibbs energy for the reaction is \(-212.27\,\mathrm{kJ\,mol^{-1}}\). \[ Zn(s)+Cu^{2+}(aq.) \rightarrow Zn^{2+}(aq.)+Cu(s) \] The standard electrode potential \((E^\circ_{\text{cell}})\) for the Daniell cell is:

Choose the transition element which exhibit least number of variable oxidation states.

The major products A and B formed in the following reaction are:

What would be the geometrical shape of \([\mathrm{NiCl_4}]^{2-}\) and \([\mathrm{PtCl_4}]^{2-}\) compounds?

Which of the following statements are incorrect for thermodynamic properties? (A) Both \(E_{\text{cell}}\) and \(\Delta_r G\) of reaction are extensive properties. (B) Both \(E_{\text{cell}}\) and \(\Delta_r G\) of reaction are intensive properties. (C) \(E_{\text{cell}}\) is an intensive property while \(\Delta_r G\) of reaction is an extensive property. (D) \(E_{\text{cell}}\) is an extensive property while \(\Delta_r G\) of reaction is an intensive property. Choose the answer from the options given below:

What would be the major product A?

Which of the following compounds does not undergo Cannizzaro reaction?

Choose the symbol of a lanthanoid metal which is well known to exhibit \(+4\) oxidation state.

Select the correct assumptions in Crystal Field Theory (CFT) from the following: (A) Ligands are treated as point charge or point dipole. (B) The five \(d\) orbitals in an isolated gaseous metal atom are non-degenerate. (C) Degeneracy of the \(d\) orbitals is restored with the approach of ligand towards metal. (D) Metal-ligand bond is ionic arising purely from electrostatic interactions. Choose the correct answer from the options given below:

What are the hydrolysis products of Maltose?

What would be the product X in the following chemical reaction?