List of top Chemistry Questions

Cannizzaro reaction is not shown by

When \(750 \, \text{mL}\) of \(0.5 \, \text{M} \, \text{HCl}\) is mixed with \(250 \, \text{mL}\) of \(2 \, \text{M} \, \text{NaOH}\), the value of pH will be:

Which of the following is not applicable to the phenomenon of adsorption?

The most stable carbonium ion among the following is

When \( \text{I}^- \) is oxidized by \( \text{MnO}_4^- \) in alkaline medium, it converts into:

The energy released when 6 moles of octane is burnt in air will be \[ \text{[Given, } \Delta H_f \text{ for CO}_2\text{(g), H}_2\text{O(g), and C}_8\text{H}_{18}\text{(l), respectively are -490, -240, and +160 J/mol]}. \]

\[ \text{How many Faradays are needed to reduce 1 mol of } \text{BrO}_3^- \text{ to Br}^- \text{?} \]

In which of the following compounds does sulphur show the maximum oxidation number?

Which of the following is the correct order of stability for the given superoxides?

Among the following compounds, which compound is polar as well as exhibits sp\(^2\) hybridization by the central atom?

Which one among the following is added to soap to impart antiseptic property?

In the following graph.

slope of line AB gives the information of

Among the following compounds, which will produce \(\text{POCl}_3\) with \(\text{PCl}_5\)?

For the chemical reaction, \(2\text{O}_3\rightleftharpoons 3\text{O}_2\), the reaction proceeds as follows:
\[\text{O}_3\rightleftharpoons \text{O}_2 + \text{O} \, \text{(fast)}\]
\[\text{O} + \text{O}_3 \rightarrow 2\text{O}_2 \, \text{(slow)}\]
The rate law expression will be:

The shape of gaseous \(\text{SnCl}_2\) is

The combustion of glucose takes place according to the equation:\[\text{C}_6\text{H}_{12}\text{O}_6 + 6\text{O}_2 \rightarrow 6\text{CO}_2 + 6\text{H}_2\text{O}, \Delta H = -72 \text{ k-cal}\]The energy required for the combustion of 1.6 g of glucose is

Which of the following aqueous solution should have highest boiling point?

When a lead storage battery is discharged

The correct increasing order of ionic radii of the following \(Ce^{3+}, La^{3+}, Pm^{3+}\) and \(Yb^{3+}\) is

Which of the following is not expected to show paramagnetism?

Which of the following compound is not coloured?

Which of the following is the major product in the reaction of HOBr with propene?

Which of the following is the correct IUPAC name?

When \(CO_2\) is bubbled through a solution of barium peroxide in water then

Which of the following oxide is most acidic?