List of top Chemistry Questions

Which of the following is wrong statement?

Which of the following compound gives iodoform test?

Substance having ester linkage is:

Graphite is soft while diamond is hard because:

$H$-bond is strongest in:

Ratio of molecular weights of $A$ and $B$ is $ \frac{4}{25} $ then ratio of rates of diffusion will be:

Which has minimum solubility?

$CH _{3} CH _{2} C \equiv CH {->[{ R }]} $ butanone $-2 . R$ is

$H _{2} O$ is liquid while $H _{2} S$ is a gas due to

Phenol reacts with chloroform in presence of:

Dual nature of particle was given by:

Which of the following molecules has trigonal planar geometry?

An emulsifier is a substance which

${4K2Cr2O7 ->[Heat] 4K2CrO4 + 3O2 + X. }$ In the above reaction X is:

Aluminium reacts with caustic soda to form:

Lanthanoids are

Which of the following give ammonia, on heating with NaOH?

Which of the following is considered to be an anticancer species

A sequence of how many nucleotides in messenger RNA makes a codon for an amino acid

Which of the following does not have a metal-carbon bond

If the bond energies of H–H, Br – Br and H –Br are 433, 192 and 364 kJ mol^–1 respectively the ∆Hº for the reaction H₂(g) + Br₂(g) \(\rightarrow\)2HBr(g)

Which one of the following is a chain growth polymer

Which of the following forms cationic micelles above certain concentration ?

Considering entropy (S) as a thermodynamic parameter, the criterion for the spontaneity of any process is

2 - Acetoxy benzoic acid is used as an :