List of top Chemistry Questions

Which of the following element do not form complex with EDTA?
If the Planck?s constant $h = 6.6 \times 10^{-34} \, Js$, the de Broglie wavelength of a particle having momentum of $3.3 \times 10^{-24} \, kg \, ms^{-1}$ will be
For the reaction taking place at certain temperature ${NH_2 COONH_4 (s) <=> 2NH_3 (g) + CO_2 (g) }$, if equilibrium pressure is 3X bar then $ \Delta_G$ would be
Which of the following is the correct and increasing order of lone pair of electrons on the central atom?
The pH of $0.1\, M$ solution of the following salts increases in the order :
Chloroform, $CHCl _{3}$, boils at $61.7^{\circ} C$. If the $K_{b}$ for chloroform is $3.63^{\circ} C / molal$, what is the boiling point of a solution of $15.0\, kg$ of $CHCl _{3}$ and $0.616\, kg$ of acenaphthalene, $C _{12} H _{10}$ ?
Following are colours shown by some alkaline earth metals in flame test. Which of the following are not correctly matched?
Amongst the elements with following electronic configurations, which one of them may have the highest ionization energy?
pH of a $0.1\, M$ monobasic acid is found to be $2$. Hence, its osmotic pressure at a given temperature $TK$ is
How many $\sigma$ bonds and $\pi$ bonds are present in
Given that the equilibrium constant for the reaction $ {2SO2(g) + O2(g) <=> 2SO3(g)}$ has a value of278 at a particular temperature. What is the value of the equilibrium constant for the following reaction at the same temperature? $ {SO3(g) <=> SO2(g) + \frac{1}{2} O2(g)}$
If osmotic pressure of 4% (w/v) solution of sucrose is same as 2% (w/v) solution of 'X' find molecular mass of X.
The mass of a non-volatile, non-electrolyte solute (molar mass $= 50\, g\, mol^{-1}$) needed to be dissolved in $114\, g$ octane to reduce its vapour pressure to $75\%,$ is :
For $1$ molal aqueous solution of the following compounds, which one will show the highest freezing point ?
The trans-alkenes are formed by the reduction of alkynes with :
What is the name of six membered cyclic structure of glucose?
In the reaction shown below, the major product formed is
Acetic anhydride
Hydrolysis of diazonium salt produces
Thermoplastic can be reused because of?
Aniline is a resonance hybrid of five structures and where do you find the maximum electron density in those structures?
A mixture of camphor and benzoic acid can be separated by which of the following technique?
Sodium extract of an organic compound gives blood red colour with FeCl3. It contains
Which of the following amino acid is achiral?
Which mechanism involves heterolytic fission?
When phenol is treated with CHCl3 and NaOH, the product formed is