List of top Chemistry Questions

Which of the following amines gives carbylamine reaction?
Toluene is nitrated and the resulting product is reduced with tin and hydrochloric acid. The product so obtained is diazotised and then heated with cuprous bromide. The reaction mixture so formed contains
In the following sequence of reactions, the alkene gives the compound $B. B$ is $CH _{3}- CH = CH - CH _{3} \xrightarrow{ O _{3}} A \xrightarrow{ H _{2} O / Zn }B$
Which one has the highest boiling point?
In aqueous solutions, the basic strength of amines decreases in the order
Producer gas is the mixture of
Which of the following is the predominant product in the reaction of $ \text{HOBr} $ with propene?
Which of the following reaction is an example of calcination process?
Which of the following will not be oxidized by ozone ?
Which one of the following conformation of cyclohexane is chiral ?
Which compound gives iodoform test?
When glycerol is heated with $KHSO_4$ it gives
What will be the partial pressure of $He$ and $ O_{2} $ respectively, if $200\,mL$ of $He$ at $0.66 \,atm$ and $400 \,mL$ of $ O_{2} $ at $0.52 \,atm$ pressure are mixed in $400 \,mL$ vessel at $ 20^{\circ}C $ ?
Thermodynamically, the most stable form of carbon is
The tendency of $BF_3, BCl_3$ and $BBr_3$ to behave as Lewis acid decreases in the sequence
The ratio of $\left(\frac{\text{charge}}{\text{mass}}\right)$ of a proton to that of an $\alpha$ particle is
The pH of an acidic buffer mixture is
The oxidation number of sulphur in $H_2S_2O_8$, $H_2S_2O_4$, $H_2S_2O_6$, are respectively
The name of the complex $ [Pt{{(N{{H}_{3}})}_{6}}]C{{l}_{4}} $ is
The monomer units of starch are
The molal elevation or ebullioscopic constant for water is
The formula of chloral is
The existence of two different coloured complexes with the composition of $[Co(NH_3 )_4Cl_2 ]^+$ is due to
The energy of a hydrogen atom in the ground state is $-13.6\, eV$. The energy of a $He^+$ ion in the first excited state will be
The night-blindness is developed due to shortage of which vitamin?