List of top Chemistry Questions

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 $Cr_2O_3 + 2Al \to Al_2O_3 + 2Cr (\Delta G^? = - 421\, kj)$ is thermodynamically feasible due to -ve value of $\Delta G$. Why does this reaction not take place at room temperature?
The reaction of Lucas reagent is fastest with
The reaction between alcohol and carboxylic acidsis called
The reaction $ {2SO2 +O2 <=> 2SO3 +}$ Heat, will be favoured by
The reaction $CH_3CH_2Br + OH^- \rightarrow CH_3CH_2OH + Br^-$ is an example of :
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:
The prosthetic group present in glycoproteins is
The properties of Zr and Hf are similar because :
The property of hydrogen which distinguishes it from alkali metal is
The property of Rydberg constant is that
The property not common between $SO_2$ and $CO_2$ is