List of top Chemistry Questions

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

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 molar volume of $CO_2$ is maximum at:

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

Schottky defect in solids is due to

Among the following, the species having square planar geometry for central atom are: (i) $XeF _{4}$ (ii) $SF _{4}$ (iii) $\left[ NiCl _{4}\right]^{2-}$ (iv) $\left[ PtCl _{4}\right]^{2-}$

A reaction was found to be second order with respect to the concentration of carbon monoxide. If the concentration of carbon monoxide is doubled, with everything else kept the same, the rate of reaction will:

The reaction ${B(OH)_3 + NaOH <=> Na[B(OH)_4]}$ $ { B(OH)_3 + NaOH <=> NaBO_2 + 2 \, H_2O}$ can be made to proceed to forward direction by the addition of

Which of the following can give a Grignard reagent when reacted with magnesium m dry ether?