CBSE
Multiple Choice QuestionsAmong the following, the achiral amino acid is
2-ethylalanine
2-methylglycine
2-hydroxymethyl serine
tryptophan
Nitrobenzene gives N-phenylhydroxylamine by
Sn/HCl
H2/Pd-C
Zn/NaOH
Zn/NH4Cl
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 major product of the given reaction is
In 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
Which ofthe following alkanes is optically active?
3-Methylhexane
Propane
2, 3, 4-Trimethylpentane
2-Methylbutane
The total number of aromatic species generated in the following reactions is
zero
2
3
4
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]+
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
The reagents to carry out the following conversion are
HgSO4/dil. H2SO4
BH3; H2O2/NaOH
OSO4; HIO4
NaNH2/ CH3I; HgSO4/ dil.H2SO4
