List of top Chemistry Questions

Lassaigne's test for the detection of nitrogen fails in

The O-O-H bond angle in \(H_2O_2\) is

The weakest among the following types of bond is
Schotten-Baumann reaction is a reaction of phenols with
The temperature of the gas is raised from $27^\circ C\, to\, 927^\circ C$ the root mean square velocity is
The distance between two adjacent carbon atoms is largest in
50 mL of hydrogen diffuses out through a small hole of a vessel, in 20 minutes. The time taken by 40 mL of oxygen to diffuse out is
Phosphorus has the oxidation state of + 3 in
Peptide bond is a key feature in
The common oxidation states of Ti are
The boiling point of p-nitrophenol is higher than that of o-nitrophenol because
Correct the increasing order of acidity is as
The process of separation of a racemic modification into d and l-enantiomers is called
Sounds above what level are considered hazardous noise pollution?
Among the following, the one which is most basic is

Which among the following is paramagnetic?

1.1 mol of A is mixed with 2.2 mol of B and the mixture is kept in one litre flask till the equilibrium is reached. At equilibrium, 0.2 mol of C is formed. If the equilibrium reaction is $A + 2B \rightarrow 2C + D,$ the value of equilibrium constant is
Which of the following is never true for cathode rays?
Which one of the following salt will have the same value of vant Hoff's factor (i) as that of $K_4[Fe(CN)_6]$ ?
At 25$^\circ$C, the highest osmotic pressure is exhibited by 0.1 M solution of
Diazo coupling is useful to prepare some
At certain temperature, 50% of HI is dissociated into $H_2$ and $I_2$, the equilibrium constant is
Among the lanthanides, the one obtained by synthetic method is
Zerevitinov?? determination of active hydrogen in a compound is based upon its reaction with
Which of the following compounds has the lowest boiling point?