List of top Chemistry Questions

$ {{H}_{2}}O $ is dipolar, whereas $ Be{{F}_{2}} $ is not. It is because

A sequence of how many nucleotides in messenger RNA makes a codon for an ammo acid?

Number of chiral carbon atoms in $ {{\beta }-{D-(+)-}} $ glucose is

The standard emf of a galvanic cell involving cell reaction with $ n=2 $ is found to be $0.295\, V$ at $ 25{}^\circ C $ .The equilibrium constant of the reaction would be (Given: $ F=96500\,C\,mo{{l}^{-1}}; $ $ R=8.314\,J{{K}^{-1}}mo{{l}^{-1}} $ )

Chloropicrin is obtained by the reaction of

In a regular octahedral molecule, $ M{{X}_{6}} $ the number of $ X-M-X $ bonds at $ 180{}^\circ $ is

Aniline when diazotised in cold and then treated with dimethyl aniline gives a coloured product. Its structure would be:

Which one of the following can be oxidized to the corresponding carbonyl compound?

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

The $ -OH $ group of an alcohol or the $ -COOH $ group of a carboxylic acid can be replaced by $ -Cl $ using

Which is the best description of behaviour of bromine in the reaction given below? $ H_2O + Br_2 \to HBr + HOBr$

Which one of the following structures represents the peptide chain?

$ C{{N}^{-}} $ is strong field ligand. This is due to the fact that

Which of the following is responsible for depletion of the ozone layer in the upper strata of the atmosphere?

The reaction $CH_3 - \overset{\underset{|}{CH_3}}{C}H - CH_2 - O CH_2 - CH_3 + HI {->[{{\text{Heated}}}]}\,\,\,$.......... Which of the following compounds will be formed?

Denatured alcohol is

The IUPAC name of

Glucose reacts with excess of phenyl hydrazine and forms

Ethyl bromide is industrially prepared from

Bakelite is obtained from phenol by reaction with

Identify the incorrect statement among the following

The cell, $Zn\left|Zn^{2+}\left(1M\right)\right|\left|Cu^{2+}\left(1M\right)\right|Cu\left(E^{0}_{cell}=1.10V\right), $ was allowed to be completely discharged at $298 \,K$. The relative concentration of $Zn^{2+} to Cu^{2+}\left[\frac{\left[Zn^{2+}\right]}{\left[Cu^{2+}\right]}\right]$ is

Which one of the following has a square planar geometry (At nos.: Fe = 26, Co = 27, Ni = 28, Pt = 78)

Which of the following is the correct order of decreasing $S_N2$ reactivity?

Which of the following is the strongest base in aqueous solution ?