0
1. Explain with suitable examples:
a) Both chlorobenzene and chloroethene do not undergo substitution reactions under ordinary conditions with NaOH.
b) Carbonyl group of benzaldehyde is less reactive towards nucleophilic addition reactions than the carbonyl group of ethanal.
2. Write the product (s) and mechanism for the following reactions:
(5)
3. How would you carry out following conversions?
a) Ethene to oxirane
b) Benzyl magnesium chloride to 3-phenylpropanol
c) Propene to glycerol
d) Benzaldehyde to 3-phenylpropenoic acid
e) Ethanol to trichloromethane (5)
4. a) How would you differentiate between different classes of alcohols?
b) Give two reduction methods which can convert a carbonyl compound to an alkane.
Wiki User
∙ 13y ago
Add your answer:
Earn +20 pts
How do you prepare 1- hexyne from ethyne?
Form half acetylide salt with NaOH and then react with n-butyl chloride.Edit by some other dude named Timaeus:That is not entirely clear, so I will improve the answer. It's much simpler than that. React with NaNH2 in NH3(l) to deprotonate it, then react with bromobutane.
How ethyne is converted into ethane?
convert ethyne into ethane
How many isomers does heptyne have?
14 1-heptyne 2-heptyne 3-heptyne 3-methyl-1-hexyne 4-methyl-1-hexyne 5-methyl-1-hexyne 4-methyl-2-hexyne 5-methyl-2-hexyne 2-methyl-3-hexyne 3,3-dimethyl-1-pentyne 4,4-dimethyl-1-pentyne 3-ethyl-1-pentyne 3,4-dimethyl-1-pentyne 2,2-dimethyl-3-pentyne
What type of molecule is 3- hexyne?
Alkyne
Does ethyne react with bromine?
Yes it does.
How do you prepare 1- hexyne from ethyne?
Form half acetylide salt with NaOH and then react with n-butyl chloride.Edit by some other dude named Timaeus:That is not entirely clear, so I will improve the answer. It's much simpler than that. React with NaNH2 in NH3(l) to deprotonate it, then react with bromobutane.
How ethyne is converted into ethane?
convert ethyne into ethane
What more dense oxygen or ethyne?
Oxygen is much more dense than ethyne. This is why a test tube full of ethyne would be held upside down so the ethyne doesnt escape into the air.
Which image shows 2-hexyne?
Here
How many isomers does heptyne have?
14 1-heptyne 2-heptyne 3-heptyne 3-methyl-1-hexyne 4-methyl-1-hexyne 5-methyl-1-hexyne 4-methyl-2-hexyne 5-methyl-2-hexyne 2-methyl-3-hexyne 3,3-dimethyl-1-pentyne 4,4-dimethyl-1-pentyne 3-ethyl-1-pentyne 3,4-dimethyl-1-pentyne 2,2-dimethyl-3-pentyne
What is the colour ethyne after combustion?
By combustion ethyne is transformed in carbon dioxide and water.
What type of molecule is 3- hexyne?
Alkyne
Does hexyne reacts with sulphur dioxide to form benzene and oxygen?
No, it does not
Is ethyne polar?
polar
What is the number of hydrogen atoms in a molecule ethyne?
The chemical formula of ethyne (acerylene) is C2H2 - two hydrogen atoms.
What molecules are nonpolar bromine pentafluoride tetrachloroethene chlorine trifluoride phosphine ethyne?
ethyne (or acetylene) is non polar
Is 1-hexyne an isotope?
No, 1-hexyne is not an isotope. Isotopes are same elements that have the same number of protons (and therefore the same chemical properties) but different numbers of neutrons. They have slightly different atomic masses due to the varying number of neutrons in their nuclei. 1-hexyne, on the other hand, is a specific chemical compound. It is an alkyne with the molecular formula C6H10 and a carbon-carbon triple bond at the first position in a hexane chain. Isotopes are not specific chemical compounds, but they are variations of elements.
