List of top Chemistry Questions

Which one of the following ions is the most stable in aqueous solution? (At. no. $Ti = 22, V = 23, Cr = 24, Mn = 25$ )

Which one of the following is a chain growth polymer?

Which one of the following shows functional isomerism ?

Which one of the following statements about amino acids is not true?

If $NaCl$ is doped with $10^{-4}\, mol \, \% $ of $SrCl_2,$ the concentration of cation vacancies will be $(N_A = 6 . 0 2 3 \times 10^{23}\,mol^{-1})$

The helical structure of protein is stabilized by

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

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

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}} $ )

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:

Chloropicrin is obtained by the reaction of

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 can be oxidized to the corresponding carbonyl compound?

Which one of the following structures represents the peptide chain?

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

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

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