List of top Chemistry Questions

The IUPAC name of $ [Ni(NH_3 )_4][NiCl_4]$ is
Among the following surfactant that will form micelles in aqueous solution at the lowest molar concentration at ambient conditions is
A gas described by van der Waals' equation
Among the following, the coloured compound is
Hyperconjugation involves overlap of the following orbitals
Native silver metal forms a water soluble complex with a dilute aqueous solution of $NaCN$ in the presence of
The correct statement(s) about the compound given below is/are
According to $VSEPR$ theory the repulsion between different pair (lone or bond) of electrons obey the order
From the molecular orbital theory, one can show that the bond order in $F_{2}$ molecule as
The nature of the bond in diamond is
Differentiating electron in inner transition elements enters the ......... orbital.
What is (are) number $(s)$ of unpaired electrons in the square planar $[Pt(CN)_4]^{2-}$ ion?
Which of the following can give a Grignard reagent when reacted with magnesium in dry ether?
When copper reacts with hot and conc. $ H_2SO_4, $ gives
The chemical name of anisole is
An aqueous solution of 6.3 g of oxalic acid dihydrate is made upto 250 mL. The volume of $ \text{0}\text{.1}\,\text{N}\,\text{NaOH} $ required to completely neutralize 10 mL of this solution is
If $ X $ is the total number of collisions which a gasmolecule register with others per unit time under particular conditions, then the collision frequency of the gas containing N molecules per unit volume is
The wavelength of the radiation emitted, when in a hydrogen atom electron falls from infinity to stationary state one, would be (Rydberg constant $ =1.097\times {{10}^{7}}\,{{m}^{-1}} $ )
Which of the following is correct for the process of formation of a chemical bond?
$AgCl$ dissolves in a solution of ${NH_3}$ but not in water because
The weakest acid amongst the following is
When aqueous solution of benzene diazoniumchloride is boiled, the product formed is
What is the stoichiometric coefficient of $Ca$ in the reaction? $Ca + Al^{3+} \to Ca^{2+} + Al$
The ratio of $Fe _{2} O _{3}$ and $Al$, in thermite is:
Tautomerism is exhibited by