List of top Chemistry Questions

The plot of radial probability density ($4\pi r^2 R^2$) against $r$ for an electron in $np$ orbital of a many electron atom is given below. The value of $n$ is

A compound contains two types of atoms $A$ and $B$. Its crystal structure is a cubic lattice with '$A$' atoms at the corner of the unit cells and '$B$' atoms at the body centres. The simplest formula of the compound will be

Which one of the following cations gives a chocolate brown precipitate upon addition of aqueous solution of \(\text{K}_4[\text{Fe}(\text{CN})_6]\)?

How many isomers can a compound with molecular formula \( \text{C}_3\text{H}_5\text{Br} \) have?

Peroxide ion is

Which of the following is the structure of pyrosulphuric acid?

The van’t Hoff Factor (i) for a dilute aqueous solution of \( \text{Na}_2\text{SO}_4 \) is

Indicate the major product of the following reaction:

\

In a conductance experiment, aqueous \( \text{AgNO}_3 \) solution is added to aqueous \( \text{KCl} \) solution gradually and simultaneously the molar conductivity (\( \lambda_m \)) is measured. The correct plot of \( \lambda_m \) versus volume of \( \text{AgNO}_3 \) solution is

A compound (X) when treated with \( \text{CuSO}_4 \) solution yields a brown precipitate. On adding hypo solution the precipitate turns white. The compound (X) is

In the following sequence of reactions, what is the end product 'Z'?

Among \( \text{N}_2\text{O} \), \( \text{ClF}_2^- \), \( \text{SO}_2 \) and \( \text{I}_3^+ \), the species having the linear structures are

The major products U and V in the following reaction are

A coordination compound CrCl\(_3 \cdot 6H_2O\) is mixed with excess AgNO\(_3\) solution, two moles of AgCl are precipitated per mole of the compound. Write the structural formula of the coordination compound.

State Henry’s law. Calculate the mole fraction of CO\(_2\) in water at 298 K under 700 mm Hg pressure. (Given: Henry’s constant for CO\(_2\) in water at 298 K = \( 1.25 \times 10^6 \) mm Hg)

Following reaction takes place in one step :
\( 2A + B \rightarrow 2C \)
How will the rate of above reaction change if the volume of the reaction vessel is decreased to one third of its original volume? Will there be any change in the order of reaction with the reduced volume?

The hybridization and geometry of $([\text{Ni}(\text{CN})_4]^{2-})$ are respectively:

In the periodic table, actinoids belong to:

Lanthanoids are known for:

Cisplatin is used in:

Which of the following compounds will show maximum acidic strength?

Which of the following is an application of coordination compounds?

Which of the following belongs to the d-block elements?

Arrange the following in increasing order of basic strength:

Identify the correct IUPAC name of the compound: $\text{CH}_3\text{–CH}_2\text{–CHO}$