Sura Guide 11th Chemistry. We covered all the Sura Guide 11th Chemistry MCQs in this post for free so that you can practice well for the exam.
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Sura Guide 11th Chemistry Objective with Students
Phenol and benzoic acid are distinguished by:
(A) Lucas reagent
(B) Victor Meyer test
(C) Caustic soda
(D) Sodium bicarbonate
Option d – Sodium bicarbonate
Reimer-Tiemann formylation reaction involves the addition of:
(A) Chloroform on phenoxide ion
(B) Trichloromethyl carbanion on phenoxide ion
(C) Dichlorocarbene on phenoxide ion
(D) Hydroxide ion on phenol
Option c – Dichlorocarbene on phenoxide ion
Nitration of phenol with conc. nitric acid gives:
(A) o-nitrophenol
(B) m-nitrophenol
(C) p-nitrophenol
(D) 2, 4, 6-trinitrophenol
Option d – 2, 4, 6-trinitrophenol
Phenol on treatment with methyl chloride in the presence of anhydrous AlCl3 gives chiefly:
(A) o-cresol
(B) m-cresol
(C) anisole
(D) p-cresol
Option d – p-cresol
Deoxygenation of phenol can be achieved by distillation with:
(A) Raney nickel
(B) Lithium aluminum hydride
(C) Sodium borohydride
(D) Zinc dust
Option d – Zinc dust
Phenol can be distinguished from ethanol by reactions with the following:
(A) Iodine and alkali
(B) Ferric chloride
(C) Acetyl chloride
(D) Bromine
Option c – Acetyl chloride
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