List of top Chemistry Questions

The carboxylic acid used widely in the leather industry is?

The element that has the highest melting point in the 3d series is:

A compound formed by reacting CoCl\(_2\) with excess NH\(_3\) gives 1 mol of AgCl with AgNO\(_3\). Form the compound:

Square planar compound is:

IUPAC name of the compound [Cr(H\(_2\)O)\(_3\)(NH\(_3\))\(_3\)]Cl\(_3\)

Which element in the 3d series can form dihalides?

KMnO\(_4\) on heating at 513K produces:

The reagent for Etard's reaction is:

Chloro benzene and acetyl chloride react with anhydrous AlCl\(_3\), to form 4-chloroacetophenone. The reaction is an example of:

Acetone can be converted to 2-methylpropan-2-ol using:

Which of the following have a complete octet?

Which of the following is diamagnetic?

The correct order of boiling point:
CH\(_3\)-CH\(_2\)-CH\(_2\)-CH\(_2\)-NH\(_2\), CH\(_3\)-CH\(_2\)-NH-CH\(_2\)-CH\(_3\), CH\(_3\)-CH\(_2\)-N(CH\(_3\))\(_2\)

Which one of the series of hydrogen spectrum is in the visible region?

Which of the following is an extensive property?

Which among the following shows -R effect?

In the reaction \( 3Mg + N_2 \rightarrow Mg_3N_2 \), the oxidation number of Mg changes is:

Which of the following is a non-polar molecule?

In the reaction \( 2\text{H}_2 + \text{O}_2 \rightarrow 2\text{H}_2\text{O} \), if 4 moles of hydrogen react with excess oxygen, how many moles of water are produced?

What is the pH of a solution with a hydrogen ion concentration of \( 1 \times 10^{-5} \, \text{mol/L} \)?

Which of the following elements has the highest electronegativity?