List of top Chemistry Questions

The conjugate acid of $NH_{3}$ ion is:

Dimethyl glyoxime gives a red precipitate with $Ni ^{2+}$, which is used for its detection. To get this precipitate readily the best $pH$ range is

For the reaction, $ {CO(g) + Cl2(g) <=> COCl2(g)}$ the $\frac{K_{p}}{K_{c}}$ is equal to

What is the equilibrium expression for the reaction $ {P_{4(s)} +5O_{2(g)} <=> P4O_{10(s)}}$ ?

The solubility product of $Ag _{2} CrO _{4}$ is $32 \times 10^{-12}$. What is the concentration of $CrO _{4}^{2-}$ ions in that solution (in $g$ ions $\left.L^{-1}\right)$ ?

Among the following the dissociation constant is highest for

Which of the following is not considered as an organometallic compound?

$o- $Toluic acid on reaction with $Br _{2}+ Fe$ gives

The monomer of nylon-6 is/are :

Which of the following is not a protein?

The statement true for $N_3^-$ is

The smog is essentially caused by the presence of

The reagent used for the separation of acetaldehyde from acetophenone is

The coordination number of a central metal atom in a complex is determined by

Select the $pK_a$ value of the strongest acid from the following :

Mohrs salt is

Which of these have no unit?

Oxidation number of carbon in $CH_2Cl_2$ is

On mixing ethyl acetate with aqueous sodium chloride, the composition of the resultant solution is

Of the following which change will shift the reaction towards the product? $I_2(g) \rightleftharpoons 2I(g) $ $\Delta H^{\circ} (298\, K) = +150\, kJ$

Hinsbergs reagent is used to distinguish between:

Which of the following is a biodegradable polymer?

Which of the following is an epsom salt?

Which of the following is poisonous?

Thomas slag is: