Molecular Formula: C4H₂N2O4 TEST/REAGENT(S) Br₂, dark [Ag(NH3)2) NO3 2,4-DNPH Test ZnCl₂, HCI Neutral KMnO4 5% NaHCO3 alc. KOH, NH₂OH-HCI, HCI, FeCl3 Brz with light H₂O Benzenesulfonyl chloride, NaOH, HCI 10. Calculate the DU of the compound. 11. Draw the structure of the compound. VISIBLE RESULT Red orange solution Colorless solution Yellow-orange precipitate No formation of layers Purple solution (5) Yellow solution No visible reaction (8) Solution solution INFERENCE (1) Not an alkyne (2) (3) (4) Carboxylic acid group absent (6) (7) Anhydride group absent (9)
Catalysis and Enzymatic Reactions
Catalysis is the kind of chemical reaction in which the rate (speed) of a reaction is enhanced by the catalyst which is not consumed during the process of reaction and afterward it is removed when the catalyst is not used to make up the impurity in the product. The enzymatic reaction is the reaction that is catalyzed via enzymes.
Lock And Key Model
The lock-and-key model is used to describe the catalytic enzyme activity, based on the interaction between enzyme and substrate. This model considers the lock as an enzyme and the key as a substrate to explain this model. The concept of how a unique distinct key only can have the access to open a particular lock resembles how the specific substrate can only fit into the particular active site of the enzyme. This is significant in understanding the intermolecular interaction between proteins and plays a vital role in drug interaction.
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![Molecular Formula: C4H₂N2O4
TEST/REAGENT(S)
Br2, dark
[Ag(NH3)2] NO3
2,4-DNPH Test
ZnCl₂, HCI
Neutral KMnO4
5% NaHCO3
alc. KOH, NH₂OH·HCI, HCI, FeCl3
Brz with light
H₂O
Benzenesulfonyl chloride, NaOH, HCI
10. Calculate the DU of the compound.
11. Draw the structure of the compound.
VISIBLE RESULT
Red orange solution
Colorless solution
Yellow-orange precipitate
No formation of layers
Purple solution
(5)
Yellow solution
No visible reaction
(8)
Solution solution
INFERENCE
(1)
Not an alkyne
(2)
(3)
(4)
Carboxylic acid group absent
(6)
(7)
Anhydride group absent
(9)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff8a5aa0b-458b-4237-a48d-ba623ac66aa0%2F685fd733-34dd-44ee-8cdb-aef15a51229e%2Fyjx7izc_processed.png&w=3840&q=75)
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