CBSE
Multiple Choice QuestionsIn the Lassaigne's test for the detection of nitrogen in an organic compound, the appearance of blue coloured compound is due to
ferric ferricyanide
ferrous ferricyanide
ferric ferrocyanide
ferrous ferrocyanide
The IUPAC name of the following molecule is
5,6-dimethylhept-2-ene
2,3-dimethylhept-5-ene
5,6-dimethylhept-3-ene
5-iso-propylhex-2-ene
Optical isomerism is exhibited by (ox= oxalate anion; en= ethylenediamine).
cis-[CrCl2(ox)2]3-
[Co(en)3]3+
trans-[CrCl2(ox)2]3-
[Co(ox) (en)2]+
Among the following, the achiral amino acid is
2-ethylalanine
2-methylglycine
2-hydroxymethyl serine
tryptophan
Assertion : Cis-1,3-dihydroxycyclohexane exists in boat conformation.
Reason : In the chair form, there will not be hydrogen bonding between the two hydroxyl groups.
If both assertion and reason are true and the reason is the correct explanation of the assertion.
If both assertion and reason are true and the reason is not the correct explanation of the assertion.
If assertion is true but reason is false.
If both assertion and reason are false.
The reagents to carry out the following conversion are
HgSO4/dil. H2SO4
BH3; H2O2/NaOH
OSO4; HIO4
NaNH2/ CH3I; HgSO4/ dil.H2SO4
Nitrobenzene gives N-phenylhydroxylamine by
Sn/HCl
H2/Pd-C
Zn/NaOH
Zn/NH4Cl
The total number of aromatic species generated in the following reactions is
zero
2
3
4
The major product of the given reaction is
Which ofthe following alkanes is optically active?
3-Methylhexane
Propane
2, 3, 4-Trimethylpentane
2-Methylbutane
