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Topics: Lab Preparation

Preparation of Chloroform from Acetone

Preparation of Chloroform from Acetone

Subject: Chemistry
Laboratory Preparation of Chloroform from acetone: CHCl3 can be prepared in the laboratory by reaction of bleaching powder with ethanol or acetone. In this reaction, bleaching powder acts as an oxidizing chlorinating and hydrolyzing agent.…
Preparation of Diazonium Salt

Preparation of Diazonium Salt

Subject: Chemistry
The salt having two N atom-containing cation  (-N≡N↔N≡N:) in the positive part of benzene ring & inorganic mono-valet anions (Cl, Br, NO3, HSO4, BF4, etc.) in the negative part is known as Diazonium salt. A…
Laboratory Preparation of Methylamine

Laboratory Preparation of Methylamine

Subject: Chemistry
Laboratory Preparation of methylamine Principle: Methylamine is prepared in the laboratory by the action of bromine and caustic potash on acetamide. The reaction takes place in three steps. CH3 – CO – NH2 + Br2…
Laboratory Preparation of Phosphorus Acid

Laboratory Preparation of Phosphorus Acid

Subject: Chemistry
Phosphorus Acid (H3PO3) is prepared by the action of cold water on phosphorus (III) oxide or phosphorus (III) chloride. P2 O3 + 3H2O → 2H3PO3 PCl3 + 3H2O → H3PO3 + 3HCl   Physical properties It…
Lab preparation of Ammonia

Lab preparation of Ammonia

Subject: Chemistry
Ammonia (NH3) is the main composite of nitrogen (N) and hydrogen (H2). It is produced by the usual decomposition of animal and vegetable bodies. The death and decompose of plants and animals cause the nitrogen…

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