12th Chemistry Sura Guide. We covered all the 12th Chemistry Sura Guide MCQs in this post for free so that you can practice well for the exam.
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12th Chemistry Sura Guide Objective for Students
Sodium phenate reacts with acetyl chloride to form:
(A) Methyl benzoate
(B) Acetyl phenol
(C) Phenylacetate
(D) Chlorobenzene
Option c – Phenylacetate
Which of the following is not a phenolic compound:
(A) Salol
(B) o-Cresol
(C) Anisole
(D) Quinol
Option c – Anisole
An unacceptable name for a compound containing one -OH group attached to the benzene nucleus would be:
(A) Carbolic acid
(B) Hydroxybenzene
(C) Catechol
(D) Phenol
Option c – Catechol
Isopropyl alcohol on oxidation gives:
(A) Acetone
(B) Acetaldehyde
(C) Ether
(D) Ethylene
Option a – Acetone
The highest boiling point is of:
(A) Ethanol
(B) Ether
(C) Alkane
(D) Aldehyde
Option a – Ethanol
In the reaction of glucose → ethyl alcohol, the enzyme involved is:
(A) Zymase
(B) Invertase
(C) Maltase
(D) Diastase
Option a – Zymase
Which compound has the highest boiling point?
(A) Acetone
(B) Diethyl ether
(C) Methanol
(D) Ethanol
Option d – Ethanol
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