# Clarify classification of alcohol on the basis of multiple hydroxyl group ( mention the name only).
# What is polyhydric alcohol. Explain it with an example.
Farabi Sultan Sabah.
Id : 201-29-1640.
Sec : 23(B)
In reply to Farabi Sultan 201-29-1640
Re: Discussion on 1st lecture of Alcohol
by Shanjida Jahan Achol -
# There are four types of alcohol on the basis of multiple hydroxyl group. they are
1. Monohydric, 2. dihydric , 3. trihydric and 4. polyhydic.
# An alcohol with many hydroxyl redicals called polyhydric alcohol. like glucose, sucrose etc.
ID: 201-29-1691
1. Monohydric, 2. dihydric , 3. trihydric and 4. polyhydic.
# An alcohol with many hydroxyl redicals called polyhydric alcohol. like glucose, sucrose etc.
ID: 201-29-1691
In reply to Shanjida Jahan Achol
Re: Discussion on 1st lecture of Alcohol
Thanks for your attempt.
Farabi Sultan Sabah.
Id : 201-29-1640.
Sec : 23 (B)
In reply to Farabi Sultan 201-29-1640
Re: Discussion on 1st lecture of Alcohol
# What is the main theme about Grignard reaction?
# What is Grignard Reagent?
Farabi Sultan Sabah.
Id : 201-29-1640.
Sec : 23 (B)
#The Grignard reaction is an organometallic chemical reaction in which alkyl- or aryl- magnesium halides (Grignard reagents) add to a carbonyl group in an aldehyde or ketone. ... Its two main uses are: to stabilise vinyl chloride resins and to catalyse the hardening of urethane/silicon resin
#A grignard reagent is basically an organomagnesium halide having a formula of RMgX, where X is a halogen, and R is an alkyl or aryl (based on a benzene ring) group. On the event of Grignard Reaction, Grignard reagent is added to a ketone or aldehyde, to form a tertiary or secondary alcohol, respectively.
#A grignard reagent is basically an organomagnesium halide having a formula of RMgX, where X is a halogen, and R is an alkyl or aryl (based on a benzene ring) group. On the event of Grignard Reaction, Grignard reagent is added to a ketone or aldehyde, to form a tertiary or secondary alcohol, respectively.
In reply to Farabi Sultan 201-29-1640
Re: Discussion on 1st lecture of Alcohol
by Nusrat Jahan Fahima -
#Reaction mechanism
The carbon attached to magnesium functions as a nucleophile, attacking the electrophilic carbon atom that is present within the polar bond of a carbonyl group. The addition of the Grignard reagent to the carbonyl typically proceeds through a six-membered ring transition state.
##Grignard reagents are formed by the reaction of magnesium metal with alkyl or alkenyl halides. They're extremely good nucleophiles, reacting with electrophiles such as carbonyl compounds (aldehydes, ketones, esters, carbon dioxide, etc) and epoxides.
ID: 201-28-1643
23(A)
In reply to Farabi Sultan 201-29-1640
Re: Discussion on 1st lecture of Alcohol
Grignard reaction is an organometallic chemical reaction in alkyl, allyl, vinyl or aryl-magnesium halides (Grignard reagent) add to a carbonyl group in an aldehyde or ketone. This reaction is important for the formation of carbon–carbon bonds.
Grignard reagents are formed by the reaction of magnesium metal with alkyl or alkenyl halides. They're extremely good nucleophiles, reacting with electrophiles such as carbonyl compounds.Example:aldehydes, ketones.
Farhana Akter
Id:201-29-1709
23(B)
Grignard reagents are formed by the reaction of magnesium metal with alkyl or alkenyl halides. They're extremely good nucleophiles, reacting with electrophiles such as carbonyl compounds.Example:aldehydes, ketones.
Farhana Akter
Id:201-29-1709
23(B)
Grignard reaction is an organometallic chemical reaction that add to a carbonyl group in an aldehyde or ketone. This reaction is important for the formation of carbon–carbon bonds.
Grignard reagents are formed by the reaction of magnesium metal with alkyl or alkenyl halides. They're good nucleophiles they reacts with electrophiles compounds.
Example:aldehydes, ketones.
Tusnim Jahan
Id no: 201-29-1674
Batch:23(A)
# Grignard reaction is an organometallic chemical reaction that add to a carbonyl group in an aldehyde or ketone. This reaction is important for the formation of carbon–carbon bonds.
# Grignard reagents are formed by the reaction of magnesium metal with alkyl or alkenyl halides. They're good nucleophiles they reacts with electrophiles compounds. For example: aldehydes, ketones.
Id: 201-29-1671
23(A)
# Grignard reagents are formed by the reaction of magnesium metal with alkyl or alkenyl halides. They're good nucleophiles they reacts with electrophiles compounds. For example: aldehydes, ketones.
Id: 201-29-1671
23(A)
In reply to Farabi Sultan 201-29-1640
Re: Discussion on 1st lecture of Alcohol
by kamrul hasan sujon -
Grignard reaction is an organometallic chemical reaction in alkyl, allyl, vinyl or aryl-magnesium halides (Grignard reagent) add to a carbonyl group in an aldehyde or ketone. This reaction is important for the formation of carbon–carbon bonds.
Grignard reagents are formed by the reaction of magnesium metal with alkyl or alkenyl halides. They're extremely good nucleophiles, reacting with electrophiles such as carbonyl compounds.Example:aldehydes, ketones.
ID:201-29-1686
23(A)
Grignard reagents are formed by the reaction of magnesium metal with alkyl or alkenyl halides. They're extremely good nucleophiles, reacting with electrophiles such as carbonyl compounds.Example:aldehydes, ketones.
ID:201-29-1686
23(A)