List of top Chemistry Questions

The nature of bonding between adjacent atoms in graphite is
The increasing order of stability of the following radicals is
The correct order of acidic strength of (i) Alcohol (ii) Acetic acid (iii) 2,4,6-Trinitrophenol (iv) Phenol is
The coordination number of ${Pt}$ and ${Fe}$ in ${[PtCl_6] }$ and ${[Fe(NH3)4] }$ repectively are
Kohlrausch's law states that at
For the redox reaction, ${ MnO_4^- + C2O4^{2-} + H+ ? Mn^{2+} + CO2 + H2O}$ .The correct stoichiometric coefficients of ${ MnO_4^-, C2O_4^{2-}}$ and ${H^+}$ are
At $CMC$, the surfactant molecules undergo
A unit cell of diamond consists of
Three centre - two electron bond is present in
The volume strength of $3.0\, N\, H_2O_2$ is
In the periodic table, the period number corresponds to
In the $3^{rd}$ period, the first ionisation potential is of the order
A cross-linked polymer is
For Freundlich isotherm a graph of log $\frac {x}{m}$ is plotted against $log\, P$. The slope of the line and its y-axis intercept, respectively corresponds to
Butylated hydroxy toluene as a food additive acts as
Enthalpy of combustion of carbon to $CO _{2}$ is $-393.5 \,kJ \,mol ^{-1}$. What amount of heat will be released upon formation of $35.2 \,g$ of $CO _{2}$ from carbon and oxygen gas?
Which of the following compounds undergoes nitration more readily?
According to Freundlich adsorption isotherm, the amount of gas adsorbed at very high pressure
In which of the following exothermic reactions, the heat liberated per mole is the highest ?
The oxidation state of sulphur in $Na_2S_4O_6$ is
The number of enantiomers of the compound $CH _{3} CHBrCHBrCOOH$ is
Which of the following is not the product of dehydration of
Which of the following is less acidic among the given halogen compounds?
Figure shows a copper rod joined to a steel rod. The rods have equal length and equal crosssectional area. The free end of the copper rod is kept at $0^{\circ} C$ and that of steel rod is kept at $100^{\circ} C$. Find the temperature of the junction of the rod. Conductivity of copper $=390 W / m ^{\circ} C$. Conductivity of steel $=46 W / m ^{\circ} C$
When same amount of zinc is treated separately with excess of sulphuric acid and excess of sodium hydroxide solution, the ratio of volumes of hydrogen evolved is: