answer all the questionsOrganic Chemistry Quiz 4 (Fall 2024) Organic Chemistry Quiz 4 Fall 2024...

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answer all the questionsOrganic Chemistry Quiz 4 (Fall 2024) Organic Chemistry Quiz 4 Fall 2024 Pre-med 2 4th December 2024 Student name: Student ID: 1. Identify each of the following reactions as an oxidation reaction, a reduction reaction, or neither. Show the change in oxidation numbers. (ON for Nitrogen is -3) (4p) 2. A solution of 2-butanol is added into an acidic solution of hydrochloric acidic. a.Which product is formed as the chlorine molecule in HCL is used as the reagent? (3p) b. Which product would be formed in a basic environment? (3p) c. Give reaction types for both acidic and basic functional groups of the products of each. (3p) d. Calculate the oxidation number of the reactive carbon pre and post acidic reaction. (3p) 3. CH3I + OH− ----------> CH3OH + I− a) What is substrate and leaving agent/waste product? (2p) b) What type of reaction? (2p) c) What is the systemic name of the product formed? (2p) 4. Calculate the oxidation number of carbon in CO2 _____________ (2p) 5. Calculate the Oxidation number of one of the carbons in Benzene (C6H6) _____________ (2p) 6. The molecule 3-pentanol is oxidized in a solution of chromic acid to form 3-ketopentane. Show the change in oxidation numbers between the original and the product. (2p) Multiple Choice [1 point each] 7.The following is true about Addition reactions a. Forms Pi binds b. Kills pi bonds c. Keeps sigma bonds d. Must be only Electrophilic 8. Select the Electrophile out of the options below. a. H+ b. OH− c. HCl d. Br− 9. What is the Class of functional group is formed from an elimination reaction of an Alkane? a. Class 1 b. Class 3 c. Class 2 d. Class 0 10. What is the Suffix for Carboxylic acids? a. One b. Amine c. Oic acid d. Ol

Dr Shweta · Accepted Answer

Ans 1 
In 1st reaction oxidation number of carbon atom changes from -1 to +3 and it is an oxidation reaction.
In 2nd reaction, the reaction oxidation number of nitrogen atom changes from -3 to -1 and it is a reduction reaction.
Ans 2 A) In the chemical reaction when a solution of 2-butanol is added into an acidic solution of hydrochloric acidic, the chemical product formed in the acidic environment is as follows: 
(CH₃CH (OH) CH₂CH₃) + HCl → (CH₃CH (Cl) CH₂CH₃) + H₂O
  2-Butanol                                       2-Chlorobutane
B) In this reaction the chemical product formed in the basic environment is as follows:
  (CH₃CH (OH) CH₂CH₃) → (CH₃COCH₂CH₃) (If oxidation takes place) 
2-Butanol                                2-Butanone
 (CH₃CH (OH) CH₂CH₃) → (CH₃CH=CHCH₃) (If dehydration takes place)
2-Butanol                                2-Butene
C) The reaction types for both acidic and basic functional groups of the products of each are as below:
SN1 or SN2 Nucleophilic Substitution Reaction in Acidic environment and 
Either Oxidation reaction i.e. when changes from 2-Butanol to 2-Butanone or dehydration reaction when change is from 2-Butanol to 2-Butene in basic environment
D) The Oxidation number of the reactive carbon in the chemical reactions is 
Before reaction it was -1 as oxidation number of oxygen atom is  -2 and hydrogen atom  is +1 and even after the reaction it was -1 only as there occurred no change in the oxidation number, as oxidation number of oxygen atom is  still -2 and hydrogen atom  is still +1 and this is a substitution reaction.

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