List of top Chemistry Questions

Reaction of propene with diborane followed alkaline hydrolysis in the presence of hydrogen peroxide gives
The basicity of aniline is less than that of cyclohexylamine. This is due to
Which of the following is not an example of redox reaction?
Which one of the following is a mineral of iron ?
The ${IUPAC}$ name of ${[Co(NH3)6] [Cr(C2O4)3]}$ is
The bond angle in ${H_2O}$ is $104.5?$. This fact can be best explained with the help of
The angular momentum of electron in $3d$ orbital of an atom is
Freon used as refrigerant is
Ammonia is a Lewis base and it forms complexes with many cations. Which one of the following cations does not form a complex with ammonia?
Molecules of a noble gas do not possess vibrational energy because a noble gas
Which of the following reactions show the process of smelting?
Which of the following is an example of absorption?
Which of the following does not show electrical conductance?
The strength of ${H_2O_2}$ (in g/L) in 11.2 volume solution of ${H_2O_2 }$ is
A hypothetical electrochemical cell is shown below :- $\overset{T}{A}|A+(xM)||B^+(yM)|\overset{\oplus}{B}$ The emf measured is +0.20V. The cell reaction is:
Which of the following hormones contains iodine?
Which of the following is not true for $S_N1$ reaction ?
The $pH$ of the solution obtained by mixing $100\, ml$ of a solution of $pH = 3$ with $400\, ml$ of a solution of $pH = 4$ is
The correct order of electronegativities of $N, O, F$ and $P$ is
Sucrose is NOT a reducing sugar since
Power alcohol is a mixture of
Which one of the following will be most basic?
The alcohol having molecular formula $C_4H_9OH$, when shaken with a mixture of anhydrous $ZnCl_2$ and conc. $HCl$ gives an oily layer product after five minutes. The alcohol is
This reaction is called
In which of the following molecules $S$ atom does not assume $sp ^{3}$ hybridsation?