List of top Chemistry Questions

For determination of molar mass of colloids,polymers and protein which colligative property is used
From the colligative properties of solution, which one is the best method for the determination of molecular weight of proteins and polymers?
In Friedel-Craft's synthesis of toluene, the reactants in addition to anhydrous $AlCl_3$ are
Cation and anion combines in a crystal to form following type of compound
Which one of the following is not paramagnetic?
A cube of any crystal A-atom placed at every corners and B-atom placed at every centre of face. The formula of compound:
The relationship between the dissociation energy of $N_ 2$ and $ N_2^+$ is
Which one of the following has magnesium?
Aluminium chloride is a/an
Which complex compound will give four isomers:

In quantitative analysis of second group in lab. \(H_2S\) gas is passed in acidic medium for ppt. When \(Cu^{+2}\) and \(Cd^{+2}\) react with \(KCN\), than in which of the following condition, ppt will not be formed due to relative stability:

Which one of the following method is commonly used method for destruction of colloid:
Benzoic acid may be converted into ethyl benzoate by reaction with
When HCHO is treated with $ {{C}_{6}}{{H}_{5}}CHO $ in presence of KOH, the product are:
According to the Faraday Law of electrolysis, the mass deposited at electrode proportional to:
At infinite dilution equivalent conductances of \(Ba^{2+}\) & \(Cl^–\) ions are  \(127\)  & \(76\) \(ohm^{–1}cm^{–1}eq^{–1}\) respectively. Equivalent conductance of \(BaCl_2\) at infinite dilutions is:
\(\text {For\  the\  disproportionation\  of \ copper:}\) \(2Cu+→Cu^{+2}+Cu\), \(Eº\) \(\text {is:}\)
\((\text {Given \ Eº  \ for }\ Cu^{+2}/Cu \ \text {is}\  0.34\ V\ \text { and\   Eº \ for} \ Cu^{+2}/Cu^+\ \text { is}\  0.15\ V)\)
For the reaction  \(C_2H_5OH(l)+3O_2(g)→ 2CO_2(g)+3H_2O(l)\) which one is true:
At \(27ºC\) latent heat of fusion of a compound is \(2930\  J/mol\). Entropy change is:
Maximum frequency of emission is obtained for the transition:
Froth floatation process is used for the concentration of
A certain aqueous solution of $FeCl _{3}$ [formula mass $=162]$ has a density of $1.1 g / mL$ and contains $20.0 \% FeCl _{3} .$ Molar concentration of this solution is
The cations and anions are arranged in alternate form in:
The ionic carbide is:
Electrolytic reduction of alumina to aluminium by Hall-Heroult process is carried out