List of top Chemistry Questions

Two students (P and Q) independently made three measurements (denoted by I, II, and III) of the same property. The expected correct value is 9.0. The observed values by the students are provided in the given table.

Based on the given data, the correct statement is:

Species that are both isoelectronic and isostructural are:

Two galvanic cells, Cell I and Cell II, operate at the same temperature and involve two different redox systems. It is observed that at a particular value of the reaction quotient $\text{Q}_{\text{I}} = \text{Q}_{\text{II}} = \text{Q}_0$, the ratio of EMF of the two cells ($\text{E}_{\text{I}}/\text{E}_{\text{II}}$) as well as the ratio of change of Gibbs free energy for the two cells ($\Delta\text{G}_{\text{I}}/\Delta\text{G}_{\text{II}}$) are both 1/3. Assuming standard cell reactions written in the spontaneous direction and reversible operation, the pair of cells can satisfy these conditions is:

The compound that produces aromatic species upon deprotonation of the indicated hydrogen 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?

Match Ion given in List I with their Magnetic Moment (Calculated) given in List II.

Choose the optically inactive amino acid from the following:

Standard electrode potentials (\(\mathrm{M^{n+}/M}\)) of four metals A, B, C and D are given below: (A) \(-1.2\text{ V}\) (B) \(+0.5\text{ V}\) (C) \(+1.2\text{ V}\) (D) \(-3.0\text{ V}\) The correct increasing order for the reducing power of these metals will be:

\(75%\) of a first-order reaction was completed in \(32\) minutes. How long will it take to undergo \(50%\) completion? Given: \(\log 2 = 0.3010\)

IUPAC name of \([\mathrm{Co(NH_3)_4(H_2O)Cl]Cl_2\) is:}

Match List-I with List-II.