List of top Chemistry Questions

Which of the products is formed when acetone is reacted with barium hydroxide solution?
Which of the following is added to chloroform to slow down its aerial oxidation in presence of light?
A solution of an acid has $\left[ H ^{+}\right]=2 \times 10^{-5}$. Find out the concentration of $OH ^{-}$ions.
The disperse phase, dispersion medium and nature of colloidal solution (lyophilic or lyophobic) of 'gold sol' respectively, are
From Williamson's synthesis preparation of which of the following is possible?
$ A\,\,0.5\,\,g/L $ solution of glucose is found to be isotonic with a $ 2.5\,\,g/L $ solution of an organic compound. What will be the molecular weight of that organic compound?
$ t- $ butyl chloride preferably undergo hydrolysis by
What is the equation for the equilibrium constant $ ({{K}_{c}}) $ for the following reaction? $ \frac{1}{2}A(g)+\frac{1}{3}B(g)\frac{2}{3}C(g) $
What is the electrode potential (in $ V $ ) of the following electrode at $ {{25}^{o}}C $ ? $ N{{i}^{2+}}(0.1\,\,M)|Ni(s) $ (Standard reaction potential of $ N{{i}^{2+}}|Ni $ is $ -0.25\,\,V,\,\,\frac{2.303RT}{F}=0.06) $
What is the wavelength (in $ m $ ) of a particle of mass $ 6.62\times {{10}^{-29}}g $ moving with a velocity of $ {{10}^{3}}\,\,m{{s}^{-1}} $ ?
Calculate the concentration of $NaOH$ solution in g/ml. which has the same normality as that of a solution of $HCl$ of concentration $0.04 \,g/ml$
Which is not fat soluble vitamin?
The solution of $AlCl_3$ in water is acidic due to
Units of rate constant for first and zero order reactions in terms of molarity $M$ unit are respectively
Which of the following molecules posesses trigonal bipvramidal geometry.
The atomic number of an element $M$ is $26$. How many electrons are present in the $M$-shell of the element in its state
Tropylium cation is aromatic in nature.
The only property that determines its aromatic behaviour is its planar structure.
Colloidal solutions are stable but colloidal particles do not settle down. Brownian movement counters the force of gravity actively on colloidal particles.
Bleaching powder reacts with dilute acids to evolve chlorine. The chlorine liberated by the action of dilute acids on bleaching powder is called available chlorine.
Which of the following chemical reactions depicts the oxidizing behaviour of $H_{2} SO_{4}$ ?
How many moles of magnesium phosphate, $Mg_{3} \left(po_{4}\right)_{2}$ will contain 0.25 mole of oxygen atoms ?
HBr reacts with $CH_{2} =CH-OCH_{3}$ under anhydrous conditions at room temperature to give:
The organic chloro compound, which shows complete sterochemical inversion during a $ {S_{N^2}}$ reaction, is
$0.01 M$ solution of $KCl$ and $BaCl _{2}$ are prepared in water. The freezing points of $KCl$ is found to be $-2{ }^{\circ} C$. What is the freezing point of $BaCl _{2}$ to be completely ionised?
A unit cell of sodium chloride has four formula units. The edge length of the unit cell is $0.0564\, nm$. What is the density of sodium chloride?