List of top Chemistry Questions

The above conversion can be carried out by:
During the preparation of NH3 in Haber’s process, the promoter(s) used is/are:
Which of the following would produce enantiomeric products when reacted with methyl magnesium iodide?
Which of the statements are incorrect?
The correct statement(s) about B2H6 is/are:
The correct order of relative stability for the given free radical is:
The product of the following hydrogenation reaction is:
The product of the following reaction is:
Let (Cms)H2 be the r.m.s speed of H2 at 150 K. At what temperature, the most probable speed of helium [(Cmp)He] will be half of (Crms)H2?
The correct pair of electron affinity order is:
Pick the correct statement:
Hybridisation of the negative carbons in (1) and (2) are:
Hybridisation of the negative carbons
Oxidation states of Cr in K2Cr2O7 and CrO5 are, respectively:
The correct order of acidity of the following hydra acids is:
Which of the following is radioactive?
The boiling point of water is higher than liquid HF. The reason is that:
To a solution of colourless sodium salt, a solution of lead nitrate was added to have a white precipitate which dissolves in warm water and reprecipitates on cooling. Which of the following acid radical is present in the salt?
The correct relationship between molecule I and II is:
correct relationship between molecule I and II
The correct bond order of B-F bond in BF3 molecule is:
Choose the correct statement for the [Ni(CN)4]²⁻ complex ion (Atomic no. of Ni = 28)
A sample of MgCO3 is dissolved in dilute HCl and the solution is neutralized with ammonia and buffered with NH4Cl / NH4OH. Disodium hydrogen phosphate reagent is added to the resulting solution. A white precipitate is formed. What is the formula of the precipitate?
XeF2, NO2, HCN, ClO2, CO2 Identify the non-linear molecule-pair from the above mentioned molecules.
The metal-pair that can produce nascent hydrogen in alkaline medium is:
Sodium nitroprusside is:
The number of atoms in body-centred and face-centred cubic unit cell respectively are