List of top Questions asked in KEAM

Aryl fluorides are prepared from diazonium salts using
Which of the following amine does not react with Hinsberg’s reagent?
Acetanilide is prepared by treating acetic anhydride/pyridine with
Match the following;
a) Aldohexose
b) Ketohexose
c) Non-reducing disaccharide
d) Reducing disaccharide
e) Polysaccharide
i) Maltose
ii) Glycogen
iii) Glucose
iv) Sucrose
v) Fructose
Which of the following amino acid can be synthesized in the body?
Aspirin is
Benzaldehyde reacts with acetophenone in the presence of \(NaOH\) at 293 K to give benzalacetophenone. This reaction is an example of
Which of the following carboxylic acid is used in rubber, textile, dyeing, leather and electroplating industries?
Intramolecular hydrogen bonding is present in
Phenol is converted into benzene by heating with
Which of the following is the weakest acid?
One mole of an alkene on ozonolysis gives one mole of propan-2-one and one mole of formaldehyde. What is the alkene?
The correct decreasing order of acidity of alkynes is
When toluene is treated with \(Cl_2\) in the presence of \(Fe\) in dark, the product formed is
When aryl halide is treated with \(Na\) in dry ether, biphenyl is formed. This reaction is called
Which of the following compound is used for the manufacture of phenol in large scale?
The metal ion present in the Wilkinson’s catalyst is
The type of hybridization of the carbon atoms from left to right in \(CH_3 - CH = CH - CN\) is
Which of the following is a spin free complex?
The hydrocarbon with molecular formula $C_{20}H_{42}$
When n-hexane is passing over $Mo_2O_3$ catalyst at 773 K and 10–20 atm pressure, the product formed is
The transition metal ion with the least ionic radius (in pm) is
\(KMnO_4\) is prepared from Mn(II) ion salts by oxidizing it with
The lanthanoid with the outer electronic configuration \(4f^7 5d^1 6s^2\) is
The IUPAC name of the complex \([Co(NH_3)_3(H_2O)_3]Cl_3\) is