List of top Chemistry Questions

Which of the following is wrong statement?

Which of the following compound gives iodoform test?

Substance having ester linkage is:

Graphite is soft while diamond is hard because:

Ratio of molecular weights of $A$ and $B$ is $ \frac{4}{25} $ then ratio of rates of diffusion will be:

$H$-bond is strongest in:

$CH _{3} CH _{2} C \equiv CH {->[{ R }]} $ butanone $-2 . R$ is

Which has minimum solubility?

$H _{2} O$ is liquid while $H _{2} S$ is a gas due to

Phenol reacts with chloroform in presence of:

Dual nature of particle was given by:

Which of the following molecules has trigonal planar geometry?

An emulsifier is a substance which

${4K2Cr2O7 ->[Heat] 4K2CrO4 + 3O2 + X. }$ In the above reaction X is:

Aluminium reacts with caustic soda to form:

The molecular formula of diphenyl methane How many structural isomers are possible when one of the hydrogen is replaced by a chlorine atom?

Chloropicrin is obtained by the reaction of

The frequency of radiation emitted when the electron falls from $n = 4$ to $n = 1$ in a hydrogen atom will be (Given ionisation energy of $H = 2.18\times 10^{18} $J $atom^{-1}$ and $h = 6.625 \times 10^{-34} Js)$

The correct statement in respect of protein haemoglobin is that it

The hormone that helps in the conversion of glucose to glycogen is

$CN^-$ is strong field ligand. This is due to the fact that

In $BrF_3$ molecule, the lone pairs occupy equatorial positions to minimise

Reaction of $HBr$ with propene in the presence of peroxide gives

Which of the following forms cationic micelles above certain concentration?

Which of the following is least reactive in a nucleophilic substitution reaction?