List of top Chemistry Questions

$H_3BO_3$ is a weak acid. Water extracts the proton of $H_3BO_3$.
Arrange the given compounds in decreasing order of boiling points.
Which of the following reagents cannot be used for the given conversion?
Ease of nucleophilic addition in the given compounds is
The acidic strength of the given compounds follows the order
A conductivity cell has a cell constant of 0.5 cm. This cell when filled with 0.01 M NaCl solution has a resistance of 384 ohms at 25$^{\circ}$C. Calculate the equivalent conductance of the given solution.
Paints and hair creams are respectively
How many Faradays of electricity are required for the given reaction to occur ? $ {MnO4^{-} -> Mn^{2+}}$
Which of the following reacts fastest with conc. $HCl$ ?
The Lewis acidity of $BF_3$ is less than $BCl_3$ even though fluorine is more electronegative than chlorine. It is due to
In $OF_2$, oxygen has hybridization of
Which one is not the property of crystalline soild ?
The decreasing order of electron affinity is:
Friedel - Craft reaction is not related with :
Transition state $2\, (TS2)$ is structurally most likely as:
Which of the following compounds contain at least one secondary alcohol?
The isomerism exhibited by following compounds $[Co(NH_3)_6][Cr(CN)_6]$ and $[Cr(NH_3)_6][Cr(CN)_6]$ is
In the complex ion $\left[Cu\left(CN\right)_{4}\right]^{3-}$ the hybridization state, oxidation state and number of unpaired electrons of copper are respectively
The maximum number of 2p electrons with electronic spin $=-\frac{1}{2}$ are
For $N^{3-} >O^{2-}>F^{-} and Na^{+},$ the order in which their ionic radii varies is
Which of the following is the correct option for free expansion of an ideal gas under adiabatic condition?
Which of the following is incorrect?
Which of the followings is invert sugar?
The molecule which is linear is
For complexes $ [NiCl_4]^{2-} $ and $ Ni(CO)_4 $ which one of the following statement is true