Which of the following scientific statements are true and which are false? 1- [ ] Symmetric ethers are generally synthesized by dehydration of alkyne. 2- [ ] 2 molecules of Formaldehyde react together to form Aldol product. 3- [ ] Electrophilic aromatic substitution is the characteristic reactions for alcohols. 4- [ ] The SN1 reaction occurs with inversion of configuration. 5- [ ] In acid dehydration of 2-methyl butanol the major product is 2- methyl-2-butene. 6- [ ] Rate of formation of carbocations follow the order 3˚ > 2˚> 1˚> CH3+ 7- [ ] Hemiacetal produces when one mole of alcohol added to aldehyde. 8- [ ]Cyclohexanol is oxidized to a ketone using Jone's reagent. 9- [ ] Mixture of equal parts of enantiomers is called racemic compound. 10- [ ] E1 describes an elimination reaction in which the rate- determining step is unimolecular and does not involve the alkyl halide.
Reactions of Ethers
Ethers (R-O-R’) are compounds formed by replacing hydrogen atoms of an alcohol (R-OH compound) or a phenol (C6H5OH) by an aryl/ acyl group (functional group after removing single hydrogen from an aromatic ring). In this section, reaction, preparation and behavior of ethers are discussed in the context of organic chemistry.
Epoxides
Epoxides are a special class of cyclic ethers which are an important functional group in organic chemistry and generate reactive centers due to their unusual high reactivity. Due to their high reactivity, epoxides are considered to be toxic and mutagenic.
Williamson Ether Synthesis
An organic reaction in which an organohalide and a deprotonated alcohol forms ether is known as Williamson ether synthesis. Alexander Williamson developed the Williamson ether synthesis in 1850. The formation of ether in this synthesis is an SN2 reaction.
Which of the following scientific statements are true and which are false?
1- [ ] Symmetric ethers are generally synthesized by dehydration of
2- [ ] 2 molecules of Formaldehyde react together to form Aldol product.
3- [ ] Electrophilic
4- [ ] The SN1 reaction occurs with inversion of configuration.
5- [ ] In acid dehydration of 2-methyl butanol the major product is 2- methyl-2-butene.
6- [ ] Rate of formation of carbocations follow the order 3˚ > 2˚> 1˚> CH3+
7- [ ] Hemiacetal produces when one mole of alcohol added to
8- [ ]Cyclohexanol is oxidized to a
9- [ ] Mixture of equal parts of enantiomers is called racemic compound.
10- [ ] E1 describes an elimination reaction in which the rate- determining step is unimolecular and does not involve the
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