List of top Chemistry Questions

Arrange the following in increasing order of their pH values:
(A) p-Nitrophenol,
(B) m-Cresol,
(C) m-Nitrophenol,
(D) Phenol.

What is another term used for the probability factor (P) in collision theory?

Which of the following reactions is shown by aldehydes that do not have alpha H-atom?

Which of the following on reaction with NaOI will give yellow precipitates?
(A) Phenylethanone
(B) Sec-Butyl alcohol
(C) Phenylethanal
(D) Methyl n-propylketone
Choose the correct answer from the options given below:

The Gattermann-Koch reaction is used in the industrial preparation of benzaldehyde. The electrophile involved in this reaction is

For a complex reaction, the order of reaction is equal to:

Which among the following is a strong field ligand?

Which of the following gives a positive Tollens test?
(A) Phenylethanal
(B) Acetophenone
(C) Formic acid
(D) Benzene carbaldehyde
Choose the correct answer from the options given below:

Consider the following compounds:

Arrange these compounds in the increasing order of rate of hydrolysis:

Camphor in nitrogen gas is a type of solution:

Which of the following is a polyhydric alcohol?

What is the overall order of the reaction which has the following rate expression? Rate = k[A]$^\frac{1}{2}$[B]$^\frac{3}{2}$

The correct statement/statements from the options given below is/are:
(A) Diazonium salts of aromatic amines are less stable than diazonium salts of aliphatic amines.
(B) Ethylamine is insoluble in water.
(C) Gabriel phthalimide synthesis can be used to prepare primary amines.
(D) Because of +R-effect of–NH2 group, aniline will undergo Friedel-Crafts acylation reaction.
Choose the correct answer from the options given below:

Arrange the following ions in increasing order of ionic radii:
(A) Eu$^{3+}$
(B) Lu$^{3+}$
(C) Y$^{3+}$
(D) La$^{3+}$
Choose the correct answer from the options given below:

In the following compounds, what is the increasing order of their reactivity towards nucleophilic addition reactions?

What is the IUPAC name of [Pt(NH₃)₂Cl(NO₂)]?

Match List-I with List-II:

List-I (Amino Acid)	List-II (Nature of Amino Acid)
(A) Valine	(I) Basic amino acid
(B) Glycine	(II) Neutral optically active amino acid
(C) Lysine	(III) Acidic amino acid
(D) Glutamic acid	(IV) Neutral optically inactive amino acid

Choose the correct answer from the options given below:

The central atom/ions in coordination compounds are referred to as:

Which term from the following is not related to adsorption?

Which among the following chemicals is used for control of humidity?

What is the other term used for thermal reductions?

The oxidation number of Co in complex [Co(H$_2$NCH$_2$CHNH$_2$)$_3$]$_2$(SO$_4$)$_3$ is:

Molal elevation constant is also known as: