List of top Chemistry Questions

Oleum is
Phosphine may be produced by adding lo water some
The relative lowering of the vapour pressure is equal to the ratio between the number of
In a closed flask of 5 L, 1.0 g of $H_2$ is heated from 300 to 600 K. Which statement is not correct?
In compound ' X - all the bond angles are exactly 109$^{\circ}$28', 'X - is
Which overlap is involved in HCl molecule ?
The oxidation state of the most electronegative element in the products of the reaction. $ BaO_2 $ with dil, $ H_2SO_4 $ are
The reaction which proceed in the forward direction is
Natural rubber is a polymer of
As the atomic number of halogens increases the halogens
AgCl dissolves in $NH_4OH$ due to the formation of
Which of the following is the most stable carbocation (carbonium ion)?
Isomers of a substance must have the same
Glass is a
The reagents, $NH_4Cl$ and aqueous $NH_3$ will precipitate
There is no S- S bond in
According to kinetic theory of gases, for a diatomic molecule
1 -chlorobutane on reaction with alcoholic potash gives
The linear structure assumed by
The tendency of \(BF_3, BCI_3 \, and \, BBr_3\) behave as Lewis acid decreases in the sequence
The density of neon will be minimum at
Which one shows maximum hydrogen bonding?
In van der Waals equation of state for a non-ideal gas, the term that accounts for inter molecular forces is
The reagents which can be used to distinguish acetophenone from benzophenone is (are)
An ion has 18 electrons in the outermost shell, it is