List of top Chemistry Questions

The product formed in the reaction of $SOCl_2$ with white phosphorus is
The process of nutrient enrichment of water, and subsequent loss of species diversity is referred to as
The correct symbol of the species with number of electrons, protons and neutrons as $ 18,16 $ and $ 16 $ respectively is
The correct order of basic strength in aqueous solution is
The correct combination of names for isomeric alcohols with molecular formula $C_4H_{10}O $ is/are
The acidic hydrolysis of ether $(X)$ shown below is fastest when
Television picture tube is basically
In which year, IUPAC draft recommends that anionic ligands will end with-ido so that chloro would become chlorido ?
Assuming $2s-2p$ mixing is not operative, the paramagnetic species among the following is
Isomers of hexane, based on their branching, can be divided into three distinct classes as shown in the figure. The correct order of their boiling point is
For the reaction: $I ^{-}+ ClO _{3}^{-}+ H _{2} SO _{4} \longrightarrow Cl ^{-}+ HSO _{4}^{-}+ I _{2}$ The correct statement(s) in the balanced equation is/are:
Upon heating with $Cu_2S.$ the reagent(s) that give copper metal is/are
Ultimate product is obtained on heating $B_{2} H_{6}$ with $N H_{3}$ is
Atoms with identical atomic number but different atomic mass number are known as
The colour of transition metal compound is due to
What elements are present in $ f- $ block series?
Ethylene can be converted into alcohol by treatment of
In the formation of $ \pi - $ bond, the atomic orbitals overlap in such a way that
A liquid which decomposes at its boiling point can be purified by
Find wrong statement
What is the oxidation number of vanadium in $R b_{4} N a\left[H V_{10} O_{28}\right] ?$
Which of the following has higher bond angle?
First ionisation enthalpy of ${Al}$ is lower than that of ${Mg}$. This is because
The pH value of 0.01 N NaOH solution is
The number of atoms in $100\,g$ of an $fcc$ crystal with density, $d = {10\, g/cm^3}$ and cell edge equal to $100\,pm$, is equal to