List of top Chemistry Questions

The state of hybridisation of S in $SO_2$ is similar to that of
The state of hybridization of xenon in $XeF_6$ is
The standard scale of temperature is
The standard $E^{\circ}$ values of few redox couples are $Zn^{2+}/ Zn = -0.76\, V$, $Ag^+/ Ag = + 0.80 \,V$, $Cu^{2+}/Cu = 0.34\, V$. Choose the correct option.
The specific conductance of a saturated solution of $AgCl$ at $25\, ^{\circ}C$ is $1.821 \times 10^{-5}\, mho\, cm^{-1}$. What is the solubility of $AgCl$ in water (in $g \,L^{-1}$), if limiting molar conductivity of $AgCl$ is $130.26\, mho\, cm^2\, mol^{-1}$ ?
The shape of $IF_5$ molecule is
The shape of $CO_2$ molecule is similar to
The shape of the molecule $SF_2Cl_2$ is
The sequence of acidic character is
The second most electronegative element of the periodic table belongs to which family and which period respectively ?
The Rubin number which was proposed by Ostwald as an alternative to the Gold number in order to measure the protective efficiency of a lyophillic colloid may be defined as the
The relation between $v_{rms}$ velocity, and the most probable velocity, $v_{mp}$ , of a gas is:
The relation between p and T during the adiabatic process with a monoatomic gas is $pT^n$= constant. What is the value of n = ?
The relation between the slope of isothermal curve and slope of adiabatic curve
The reaction of Lucas reagent is fastest with
The reaction $Cr_2O_3 + 2Al \to Al_2O_3 + 2Cr (\Delta G^? = - 421\, kj)$ is thermodynamically feasible due to -ve value of $\Delta G$. Why does this reaction not take place at room temperature?
The reaction $CH_3CH_2Br + OH^- \rightarrow CH_3CH_2OH + Br^-$ is an example of :
The reaction between alcohol and carboxylic acidsis called
The reaction $ {2SO2 +O2 <=> 2SO3 +}$ Heat, will be favoured by
The ratio of specific charge of the electron and nucleus of hydrogen atom is
The ratio of root mean square velocities of $ O_3$ and $O_2$ is
The ratio of $ {Fe^{3+}}$ and $ {Fe^{2+}}$ in $ {Fe_{0.9} S_{1.0}}$ is
The ratio of charge to mass of an electron in coulombs per gram was determined by J.J. Thomson. He determined this ratio by measuring the deflection of cathode rays in electric and magnetic fields. What value did he find for this ratio?
The protective power of lyophilic sol is
The protecting power of lyophilic colloidal sol is expressed in terms of: