List of top Chemistry Questions

The mass of carbon anode consumed (giving only carbondioxide) in the production of $270\, kg$ of aluminium metal from bauxite by the Hall process is (Atomic mass $Al =27$ )

Which one of the following compounds is most acidic?

In a set of reactions, acetic acid yielded a product $D$. $CH _{3} COOH {->[{ SOCl _{2}}]}A {->[{\text { Benzene }}][{\text { anhyd. } AlCl _{3}} ]} B {->[{ HCN }]} C {->[{ HOH }]} D$ The structure of $D$ would be

The amino acid which is not optically active is

Ellingham diagram represents a graph of

Decomposition of benzene diozonium chloride by using $Cu_2Cl_2/HCl$ to form chlorobenzene is

Benzene reacts with chlorine in sunlight to give a final product

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 :

\(SO_2\) does not acts as :

When glucose reacts with bromine water the main product is :

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

In the reaction $CH_3CN + 2H \xrightarrow [SnCl_2] {HCl}X \xrightarrow {\text{boiling} \, H_2 O} Y, $ The term $Y$ 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 $3$ ?

Which of the following is called Berthelot�s salt ?

The number of waves in an orbit are :

How many asymmetric carbon atoms are present in : (i) $1,2$-dimethylcyclohexane, (ii) $3$-methylcyclopentene and (iii) $3$-methylcyclohexene ?

In $2 HI \rightleftharpoons H _{2}+ I _{2}$ , the forward reaction is not affected by change in :

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?