The structures of (CH3)3CBr and CH3[CH2]3 Br represent
chain isomerism
position isomerism
chain as well as position isomerism
functional isomerism
Petrol for aviation purpose must contain
straight chain hydrocarbons
aromatic hydrocabrons
olefinic hydrocarbons
highly branched chain paraffins
IUPAC name of (CH3)3 CCl is
n-butyl chloride
3-chloro butane
2-chloro-2-methylpropane
t-butyl chloride
The isomerism that arises due to restricted bond rotation is
metamerism
optical isomerism
position isomerism
geometrical isomerism
The only o p-directing group which is deactivating in nature is
-NH2
-OH
-X(halogens)
-R(alkyl groupd)
Which of the organic compounds will give red colour in Lassaigne test ?
C6H5NH2
None of these
B.
If both nitrogen and sulphur are present in a organic compound, they will give red blood colour with Lassaigne test due to the formation of ferric thiocyanate.
Na + C + S + N NaSCN (sodium thiocyanate)
Fe3+ + 3NaSCN Fe(SCN)3 + 3Na+
ferric thiocyanate
The IUPAC name of the following compound is
1, 2-dimethyl-2-butenol
3-methylpent-3-en-2-ol
3, 4-dimethyl-2-buten-4-ol
None of the above