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12th Chemistry Study Material

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12th Chemistry Study Material. We covered all the 12th Chemistry Study Material MCQs in this post for free so that you can practice well for the exam.

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12th Chemistry Study Material Objective for Students

Reimer-Tiemann reaction involves:

(A) Carbanion intermediate

(B) A carbene intermediate

(C) Carbonium ion intermediate

(D) Free radical intermediate

Option b – A carbene intermediate

Phenol with Hinsberg’s reagent gives:

(A) Sulphone

(B) Sulphanilic acid

(C) Sulphonic ester

(D) Sulphonal

Option c – Sulphonic ester

Which of the following is not associated with the UNO?

(A) ILO

(B) WHO

(C) Security Council

(D) ASEAN

Show Answer

Electrophilic substitution reactions in phenol take place at:

(A) p-position

(B) m-position

(C) o-position

(D) o- and p-positions

Option d – o- and p-positions

Condensation of phenol and phthalic anhydride gives:

(A) Methyl orange

(B) Phenol red

(C) Salicylic acid

(D) Phenolphthalein

Option d – Phenolphthalein

The International Court of Justice is located at?

(A) Geneva

(B) Hague

(C) Amsterdam

(D) Vienna

Show Answer

The major product obtained from the interaction of phenol with sodium hydroxide and carbon dioxide is:

(A) Salicylaldehyde

(B) Salicylic acid

(C) Phthalic acid

(D) Benzoic acid

Option b – Salicylic acid

Phenyl magnesium bromide on reacting with ethanol forms:

(A) Phenol

(B) Benzene

(C) Ethane

(D) Isopropyl phenyl ether

Option b – Benzene

We covered all the 12th chemistry study material mcqs above in this post for free so that you can practice well for the exam.

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