Class 12th
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New answer posted
10 months agoContributor-Level 9
Gabriel phthalimide is used for the preparation of 1° aliphatic amine not 1° aromatic amines since 1° aromatic amines do not undergo nucleophilic substitution reaction.
New answer posted
10 months agoContributor-Level 10
Barfoed test:-
In this test, copper acetate in dilute acid is reduced in 30 seconds by mono saccharides while disaccharides takes several minutes.
New answer posted
10 months ago
Contributor-Level 9
[Aldol condensation of 2-methylcyclopentanone with acetaldehyde to form an aldol product, which then undergoes iodoform reaction to give a carboxylic acid and iodoform.]
New answer posted
10 months agoContributor-Level 10
Rate = K [A]?
K = Rate / [A]?
= (mole L? ¹s? ¹) / (mole L? ¹)?
= mole¹? L? ¹ s? ¹
Unit of K: mole¹? L? ¹ s? ¹
New answer posted
10 months agoContributor-Level 10
(A) Concentration of Ag & Au done by NaCN. It is known as Mac Arthur Process (cyanide process)
(B) Blast furnace produces pig Fe.
(C) Blister Cu → Reverberatory furnace. In this furnace smelting & roasting of ore take place
CuFeS? + O? → Cu? O + FeO
(D) Froth floatation process is used for concentration of sulphide ores.
New answer posted
10 months agoContributor-Level 10
Polyamide copolymers are biodegradable polymers.
Polymers Nylon-2 Nylon-6 are polyamides and monomers of Nylon-2 nylon-6 are:
H? N–CH? –COOH (Glycine) & H? N– (CH? )? –COOH (Aminocaproic acid)
New answer posted
10 months ago
Contributor-Level 10
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