Each molecule of table sugar, C12H22O11, contains
2 answers:
Answer : The correct option is, (d) 12 atoms of carbon.
Explanation:
The formula of given molecule of table sugar is,
The given molecule is made up of three elements which are, carbon, hydrogen and oxygen.
In the given molecule of table sugar , there are 12 number of carbon atoms, 22 number of hydrogen atoms and 11 number of oxygen atoms.
From the given options we conclude that, the option (d) is the correct option. While the other options are incorrect.
Hence, the correct option is, (d) 12 atoms of carbon.
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Answer:
p-fluoronitrobenzene and sodium phenoxide is more appropriate
Explanation:
An ipso substitution is required to form p-nitrophenyl phenyl ether.
For this ipso substitution, an alkoxide anion needs to attack as a nucleophile at the carbon atom attached to fluorine atom and thereby substitute that F atom.
p-nitrophenoxide is an weak nucleophile as compared to phenoxide due to presence of electron withdrawing resonating effect of nitro group at para position.
p-fluoronitrobenzene is a good choice for nucleophilic attack by alkoxide anion as compared to fluorobenzene due to higher positive charge density at carbon atom directly attached to F atom. Higher positive charge density arises due to presence of electron withdrawing resonating effect og nitro group at para position.
So, p-fluoronitrobenzene and sodium phenoxide is more appropriate
