List of top Chemistry Questions

The major organic product in the reaction, CH₃ – O – CH(CH₃)₂ + HI \(→\) Product is:

What amount of bromine will be required to convert 2 g of phenol into 2,4,6-tribromo phenol ?

Methyl bromide is converted into ethane by heating it in ether medium with

The molar volume of $CO_2$ is maximum at:

How many asymmetric carbon atoms are present in : (i) $1,2$-dimethylcyclohexane, (ii) $3$-methylcyclopentene and (iii) $3$-methylcyclohexene ?

In $2 HI \rightleftharpoons H _{2}+ I _{2}$ , the forward reaction is not affected by change in :

Which one of the following product is formed when calcium salt of adipic acid is heated ?

The probability of finding the electron in the orbital is :

When glucose reacts with bromine water the main product is :

Nylon-$66$ is an example of:

The crystal field splitting energy for octahedral $(\Delta_0)$ and tetrahedral $(\Delta_{t})$ complexes is related to :

Which of the following species has a bond order other than $3$ ?

\(SO_2\) does not acts as :

Which of the following is called Berthelot�s salt ?

In the reaction $CH_3CN + 2H \xrightarrow [SnCl_2] {HCl}X \xrightarrow {\text{boiling} \, H_2 O} Y, $ The term $Y$ is :

The number of waves in an orbit are :

Name the complex Ni(PF)

If pH of a solution is 4, then $ {{\text{H}}^{\text{+}}} $ is:

If a mixture of $CO$ and $N_{2}$ in equal amount have total $1 \,atm $pressure, then partial pressure of $N_{2}$ in the mixture is

Which of the following pairs constitutes a buffer?

Which one of the following has unit positive charge and $1$ amu mass?

In which of the following complex ion, the central metal ion is in a state of $sp^3d^2$ hybridisation ?

The increase of pressure on ice ? water at a constant temperature will cause

The order of the reaction $N_2O_5 \, \rightarrow \, N_2O_4(g) + \frac{1}{2}O_2(g)$ is