preservative among the following is
Options
(a) sodium bisulphate (b) vancomycin (c) BHT (d) sodium benzosulphate
Correct Answer:
BHT
Explanation:
No explanation available. Be the first to write the explanation for this question […]
Mutarotation does not occur in
Options
(a) sucrose (b) D-glucose (c) L-glucose (d) none of these
Correct Answer:
sucrose
Explanation:
No explanation available. Be the first to write the explanation for this question […]
Number of chiral carbon in β-D-(+) glucose is
Options
(a) five (b) six (c) three (d) four
Correct Answer:
four
Explanation:
No explanation available. Be the first to write the explanation for this […]
An isocyanide on hydrolysis gives
Options
(a) an amide (b) a carboxylic acid and ammonia (c) a N-substituted amide (d) a 1⁰-amine and formic acid
Correct Answer:
a 1⁰-amine and formic acid
Explanation: […]
The reaction of primary amine with chloroform and ethanolic KOH, is called
Options
(a) Reimer-Tiemann reaction (b) Kolbe’s reaction (c) carbylamine reaction (d) none of these
Correct Answer:
carbylamine reaction
Explanation:
No explanation […]
Which of the following reactions will not result in the formation of carbon-carbon bonds
Options
(a) Reimer-Tiemann reaction (b) Cannizzaro reaction (c) Wurtz reaction (d) Friedel-crafts acylation
Correct Answer:
Cannizzaro reaction
Explanation:
No […]
Benzaldehyde can be prepared by the hydrolysis of
Options
(a) benzyl chloride (b) benzotrichloride (c) banzal chloride (d) benzo nitrite
Correct Answer:
banzal chloride
Explanation:
In the manufacture of ethanol from starch by fermentation, the following enzyme has no role to play
Options
(a) lipase (b) maltase (c) zymase (d) amylase
Correct Answer:
lipase
Explanation:
Lipase acts on fats […]
Intermolecular hydrogen bonding is strongest in
Options
(a) methylamine (b) phenol (c) formaldehyde (d) methanol
Correct Answer:
methanol
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
Alkyl halides react with metallic sodium in the presence of anhydrous ether is
Options
(a) Perkin’s reaction (b) Aldol’s reaction (c) Wurtz’s reaction (d) none of these
Correct Answer:
Wurtz’s reaction
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