List of top Chemistry Questions

If 3 g of glucose (Molar mass = 180) is dissolved in 60 g of water at 15 degree, the osmotic pressure of the solution will be
The rise in boiling point of a solution containing 1.8 g of glucose in 100 g of solvent is 0.1 degree C. The molal elevation constant of the liquid is
The primary precursor of photochemical smog that can be metabolised by plants such as Juniparus and Pyrus, is
Which one of the following is a non-narcotic analgesics?
Conveyor belt is manufactured from
Which of the following is added to commercial salt to control hypothyroidism?
Which one of the following is a polysaccharide?
The product formed, when benzene diazonium fluoroborate is heated with aqueous sodium nitrite solution in the presence of copper is
Among methanamine, ethanamine. benzenamine, N-methylaniline and N, N-dimethylaniline, the weakest and the strongest base in aqueous phase, respectively are
Toluene on treatment with chromic oxide in acetic anhydride at 273K to 283K gives
Which one of the following represents valeraldehyde?
Choose the correct order of acidity of the following phenols:
(I) m-nitrophenol (II) p-cresol (III) p-nitrophenol (IV) phenol
Resorcinol is
Which one of the following molecules gives four isomeric monochlorides on photochemical chlorination?
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Calculate the number of o and a bonds in 2-n-propylpent-1-ene.
Which one of the following molecules contains only primary and tertiary carbon atoms?
The elemental analysis of an oranic compond gave C:38.71%, H: 9.67%. What is the empirical formula of the compound?
Match the following:

a)Alkane(i)Phenol
b)Alicyclic compound(ii)Tropolone
c)Benzenoid aromatic compound(iii)Isobutane
d)Non-benzenoid aromatic compound(iv)Furan
e)Heterocyclic compound(v)Cyclohexene


Choose the correct option:
The overall complex dissociation equilibrium constant for [Cr(H2O)6]3- ion is 5×10-12. The overall stability constant of the complex is
Which one of the following is not not an ore of iron?
Both Cr2+ and Mn3+ have d4 configuration. Which one of the following is true?
Which of the following set of transition metals have high volatility?
Which of the following compounds is used as refrigerant?
Which one of the following processes does not produce dinitrogen?
The metal which dissolves in liquid ammonia to give a blue-black solution due to formation of solvated electron is