Acetic acid shows twice of its expected molecular weight value experimentally .This is because of
Options
(a) its dissociation into H⁺ and CH₃COO⁻ ions (b) colligative property measurement (c) molecular association through H-bonding […]
Which one will give positive iodoform test
Options
(a) Ethanol (b) Propanone (c) 2-Propanol (d) All the above
Correct Answer:
All the above
Explanation:
No explanation available. Be the first to write the […]
Hofmann bromamide reaction is used to prepare
Options
(a) primary amine (b) secondary amine (c) tertiary amine (d) all the above
Correct Answer:
primary amine
Explanation:
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Which one among the following contains a phenolic -OH group
Options
(a) citric acid (b) picric acid (c) formic acid (d) oxalic acid
Correct Answer:
picric acid
Explanation:
No explanation available. Be […]
Which is not related with eukaryotic mRNA?
Options
(a) intron, exon (b) ribosomes binding site (c) poly A tail (d) Okazaki piece
Correct Answer:
Okazaki piece
Explanation:
No explanation available. Be the first […]
Which one of the following occurs in radioactive fall out and behaves like calcium in biogeochemical cycling of material in ecosystem?
Options
(a) strontium – 30 (b) cobalt – 60 (c) cesium – […]
Prokaryotes have
Options
(a) large nuclei (b) single large nucleus (c) large and small nuclei (d) no defined nucleus
Correct Answer:
no defined nucleus
Explanation:
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Closely related species living in the same area/habitat are called as
Options
(a) allopatric (b) sympatric (c) allochoronic (d) siblings
Correct Answer:
sympatric
Explanation:
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Animal requiring minimum amount of water to produce urine are
Options
(a) ureotelic (b) ammonotelic (c) uricotelic (d) chemotelic
Correct Answer:
ureotelic
Explanation:
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Which one of the following compounds on nitration easily produces nitro derivative
Options
(a) C₆H₆ (b) C₆H₅NO₂ (c) C₆H₅CH₃ (d) C₆H₅OCH₃
Correct Answer:
C₆H₅OCH₃
Explanation:
No explanation available. Be the first to write […]
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