List of top Chemistry Questions

The compound which does not react with ammonical silver nitrate solution is:

Ratio of time required for 99% completion vs 90% completion of a first order reaction is:

The amine which is most basic in gas phase is:
Which among the following is fibrous protein:
Which of the following amines will give most easily \(\mathrm{N}_2\) gas on treatment with \(\mathrm{NaNO}_2 + \mathrm{HCl}\) at 275 K:
Which of the following fluid has \(\mathrm{pH}<7\):
Which of the following is a double salt:
Electrophile used in Kolbe’s reaction is:
Schiff’s base is formed by the reaction of aldehyde with:
Denaturation of alcohol is done by the help of:
When benzene diazonium chloride is treated with ethanol, the product obtained is:
The coordination number and oxidation number of \(\mathrm{Cr}\) in \(\mathrm{K}\left[\mathrm{Cr}\left(\mathrm{H}_2\mathrm{O}\right)_2\left(\mathrm{C}_2\mathrm{O}_4\right)_2\right]\) are:
Optical isomerism is shown by:
Cell constant is equal to:
How many structural isomers does \(\mathrm{C}_7\mathrm{H}_{16}\) have:
In which of the following elements the 6d orbital is vacant:
Benzene on reaction with benzoyl chloride in the presence of anhydrous \(\mathrm{AlCl}_3\) forms:
Molecularity of a reaction can be:
Which among the following is not an aromatic species:
Correct order of first ionisation energy of B, In, Ga, and Al is:
Which of the following aldehydes does not form iodoform on heating with $\mathrm{I_2}$ and alkali?
The group which shows \(-I\) and \(-R\) effect is:
Oxidation number of hydrogen is (-1) in:
In the balanced redox reaction \(\mathrm{Cr}_2\mathrm{O}_7^{2-} + \mathrm{SO}_3^{2-} \longrightarrow \mathrm{Cr}^{3+} + \mathrm{SO}_4^{2-}\), the ratio of the number of \(\mathrm{Cr}_2\mathrm{O}_7^{2-}\) ions to \(\mathrm{SO}_4^{2-}\) ions is:
Hybridisation of \(\mathrm{Ni}\) in \(\left[\mathrm{Ni}(\mathrm{CN})_4\right]^{2-\) is:}