List of top Chemistry Questions

Predict the product $C$ in the following series of reactions : $CH _{3}- COOH \stackrel{ PCl _{ 5 }}{\longrightarrow} A { ->[{C_6H_6}][{{\text{Anhyd}} . Alcl_3}] } B { ->[CH_3MgBr] C}$
$H_3BO_3$ is a weak acid. Water extracts the proton of $H_3BO_3$.
Arrange the given compounds in decreasing order of boiling points.
The acidic strength of the given compounds follows the order
Ease of nucleophilic addition in the given compounds is
Which of the following reagents cannot be used for the given conversion?
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.
How many Faradays of electricity are required for the given reaction to occur ? $ {MnO4^{-} -> Mn^{2+}}$
Paints and hair creams are respectively
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
The decreasing order of electron affinity is:
Friedel - Craft reaction is not related with :
Which one is not the property of crystalline soild ?
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
Transition state $2\, (TS2)$ is structurally most likely as:
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
Which of the following is the correct option for free expansion of an ideal gas under adiabatic condition?
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 incorrect?
Which of the followings is invert sugar?
The molecule which is linear is