List of top Chemistry Questions

What is the decreasing order of basicity of 1$^{\circ}$, 2$^{\circ}$ and 3$^{\circ}$ ethyl amines and ammonia?
A liquid can exist only
A compound $A$ has a molecular formula $C_2 Cl_3 OH$ . It reduces Fehling's solution and on oxidation, gives a monocarboxylic acid $B$. $A$ can be obtained by the action of chlorine on ethyl alcohol. $A$
At $80^{\circ} C$, distilled water has concentration equal to $1 \times 10^{-6}$ mole/litre. The value of $K_{w}$ at this temperature will be

A solid with high electrical and thermal conductivity is:

Benzaldehyde reacts w ith ethanolic KCN to give
During isothermal expansion of an ideal gas, its
Aldehydes and ketones will not form crystalline derivatives with
The four elements that make up 99% of all elements found in a living system are
Zerevitinov�s determination of active hydrogen in a compound is based upon its reaction with
The acid which has a peroxy linkage is
The formula for calcium chlorite is
Which of the following is known as fusion mixture?
Which of the following compounds will be most easily attacked by an electrophile ?
Which of the following does not have a tetrahedral structure?
In the photoelectron emission, the energy of the emitted electron is
The total number of valence electrons in 4.2 g of $N_3^{-}$ ion is [$N_A$ is the Avogadro's number)
Which of the following is not true about e.m.f. of a cell?
The type of isomerism not exhibited by alkenes is
When alkyl halides are heated with dry $Ag_2O$, they give
Which of the following gases will have the highest rate of diffusion?
Acetamide and ethylamine can be distinguished by reacting with
An aqueous solution containing 1 g of urea boils at 100.25$^\circ$C. The aqueous solution containing 3 gof glucose in the same volume will boil be
Equal volumes of 0.1 M $AgNO_3$ and 0.2 M NaCl are mixed. The concentration of $NO^-_3$ ions in the mixture will be
A bivalent metal has the equivalent weight of $12$. The molecular weight of its oxide will be