List of top Chemistry Questions

2A \(\rightarrow\) B + C
It would be a zero-order reaction when
An aqueous solution of $1M \,NaCl$ and $1M \,HCl$ is:
Unit of entropy is : -

Geometrical isomers are differ in 

Which has maximum number of molecules :-
In the following reaction product 'P' is :
Pd-BaSO4
What is P in the given chemical reaction?
What is P in the given chemical reaction?

Number of atom per unit cell in B.C.C.

When CH3CH2CHCl2 is treated with NaNH2, the product formed is 

General electronic configuration of lanthanides is
Monomer of – C – CH2 – CH3 CH3 is : 

When phenol is treated with CHCl3 and NaOH, the product formed is 

Solution of $0.1 \,N\, NH_4OH$ and 0.1 N $NH_4Cl$ has pH 9.25. Then $pK_b$ of $NH_4OH$ :-
Z in the above reaction sequence is :-
Which of the following is diamagnetic?
In which of the solutions containing following solutes, its normality is equal to its molarity?
$N_{2}$ and $CO$ are:
Which one of the following in presence of sunlight will react with chlorine to give benzyl chloride?
Which of the following is the strongest Lewis acid?
Which of the following has maximum unpaired electrons?
Non-Ianthanide element is:
Which of the following is a Lewis base?
Which of the following non-metal possesses the atomicity half that of sulphur?
The pH of a buffer containing equal molarconcentration of a weak base and its chloride ( $K_b$ for weak base = $2 \times 10^{-5}$, log 2 = 0.3) is
How many 'd' electrons are present in $Cr^{2+}$ ion ?