Phenolic carboxylic acids may be prepared by
Options
(a) Reimer-Tiemann reaction (b) Sandmeyer’s reaction (c) Wurtz reaction (d) Hofmann reaction
Correct Answer:
Reimer-Tiemann reaction
Explanation:
No explanation available. Be the first to […]
Which of the following can be termed a phenol formaldehyde resin
Options
(a) Bakelite (b) Polystyrene (c) Nylon-66 (d) PVC
Correct Answer:
Bakelite
Explanation:
No explanation available. Be the first to write the […]
A tertiary alcohol is obtained
Options
(a) by the reaction of an aldehyde and a Grignard reagent (b) by the reaction of a ketone and a Grignard reagent (c) when an aldehyde is […]
The oxidising ability of halogens
Options
(a) increases from fluorine to iodine (b) decreases from fluorine to iodine (c) increases from fluorine to chlorine and then decreases (d) remains constant down the group
A compound gives a positive test with I₂/NaOH and is extracted from benzene from benzen by saturated NaHSO₃.The compound is
Options
(a) CH₃(CH₂)₄CHO (b) CH₃(CH₂)₃COCH₃ (c) CH₃CH₂COCH₂CH₃ (d) CH₂(CH₂)₄ CH₂OH
Correct Answer:
CH₃(CH₂)₃COCH₃
Which one of the following organelles acts as a centre of organization of the spindle during animal cell division
Options
(a) lysosome (b) peroxysome (c) centriole (d) dictyosome
Correct Answer:
centriole
Explanation:
No […]
2017 Copyright Doctor Dreams Training Academy