List of top Chemistry Questions

The rate law for the reaction \(A + B + C \rightarrow \text{Product}\) is expressed as \[ \text{Rate} = k[A]^2[B]^1[C]^0 \] What is the overall order of the reaction?

Which among the following is true for the value of Henry’s law constant \(K\)?

If side chain group \(-R\) for an amino acid is \(-\text{CH}_2\text{OH}\), identify the amino acid from the following.

Which among the following halogen does not form polyhalide ion?

Identify the oxidation state of chromium in \( \text{K}_3[\text{Cr}(\text{C}_2\text{O}_4)_3] \).

For the reaction \(4\text{NH}_3 + 5\text{O}_2 \rightarrow 4\text{NO} + 6\text{H}_2\text{O}\), if the rate of disappearance of \(\text{NH}_3\) is \(3.6 \times 10^{-3}\,\text{M s}^{-1}\), what is the rate of formation of water?

Osmotic pressure of a one molar solution at \(27^\circ\text{C}\) is (given \(R = 0.082\)).

What type of hybridisation results in tetrahedral geometry?

Identify product B obtained in the following reaction:
\[ \text{CH}_3-\text{CH}_3 \;\xrightarrow[\Delta]{\text{HNO}_2}\; A \;\xrightarrow[\text{ether}]{\text{LiAlH}_4}\; B \]

Which of the following compounds is obtained when benzoic acid is treated with concentrated \(\text{H}_2\text{SO}_4\) and concentrated \(\text{HNO}_3\)?

Lithium crystallises into a body centered cubic structure. What is the radius of lithium if the edge length of its unit cell is \(351~\text{pm}\)?

Which among the following polymer is used to make crockeries?

What is the IUPAC name of mesityl oxide?

Among the following isomeric amines, an amine having the highest boiling point is

Which among the following reagents is used for conversion of glucose to glucosime?

What is the product formed when bauxite ore is treated with sodium hydroxide?

What is the symbol of the element if its atomic number is 116?

What is the relative rate of \( \text{S}_\text{N}1 \) reaction for \( (\text{CH}_3)_2\text{CH–Br} \)?

Identify the correct decreasing order of ionic radii of lanthanoids.

When butan-2-ol is dehydrated using sulphuric acid, the concentration of acid and temperature needed respectively is

Which type of overlap is involved in the formation of O–H bonds in a water molecule?

Which among the following complexes is heteroleptic and cationic in nature?

The compound which causes antidepressant action on the central nervous system is

A certain mass of a gas occupies a volume of \(2~\text{dm}^3\) at STP. At what temperature will the volume of the gas become double, keeping the pressure constant?

What is the cell constant of \( \frac{N}{10} \) KCl solution at \(25^\circ\text{C}\), if conductivity and resistance of the solution are \(0.0112~\Omega^{-1}\text{cm}^{-1}\) and \(55.0~\Omega\) respectively?