Formic acud is a stronger acid than acetic acid. This can be explained using
+M effect
-I effect
+I effect
-M effect
Mesomeric effect involves
delocalisation of π- electron
delocalisation of σ- electron
partial displacement of electrons
delocalisation of π and σ- electron
The IUPAC name of
2-hydroxy-4-pentanone
2-oxo-4-pentanol
4-keto-2-pentanol
4-hydroxy-2-pentanon
D.
4-hydroxy-2-pentanon
IUPAC name of the compound is 4-hydroxy-2-pentanon.
An oxygen containing organic compound was found to contain 52% carbon and 13% of hydrogen. Its vapour density is 23.The compound reacts with sodium metal to liberate hydrogen. A functional isomer of this compound is
ethanal
methoxy methane
methoxy ethane
ethanol
Mesa compounds do not show optical activity because
they do not contain chiral carbon atoms
they have non-superimposable mirror images
they contain plane of symmetry
they do not contain plane of symmetry
An aromatic compound 'A' (C7H9N) on reacting with NaNO2/HCl at 0°C forms benzyl alcohol and nitrogen gas. The number of isomers possible for the compound 'A' is
5
7
3
6
Carbocation as an intermediate is likely to be formed in the reaction
Propene + Cl2 2-chloropropane
Acetone + HCN acetonecyano hydrin
Ethylbromide + aq.KOH ethyl alcohol
Hexane 2-methyl pentane