In a hydrocarbon's name,<span> the suffix -yl indicate that the molecule contains a functional group that is also a substituent and that there is another functional group that has a higher priority to it. The last part of the name of the functional group is replaced with -yl. For example, the alcohol functional group becomes hydroxyl.</span>
<span>An amorphous solid</span> s the answer
Answer:
Explanation:
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Answer:
A) 8.08*10^-10 cm^-1
B) 1.27 * 10^-5
Explanation:
A) PERMEABILITY OF THE MEMBRANE to the material = K * D/(dx) ---- (1)
K = J / (Cl - Cr )
= 0.234 * 10^-12 / (2.3*10^-6 M - 0 )
= 10 *10^-6 M
dx = 10*10^-6 m * 100 cm
= 10 *10^-4 cm
D = 0.8 * 10^-5 cm^2s^-1
input the calculated values into equation 1
permeability of the membrane = 8.08*10^-10 cm^-1
B) equivalent relative area available for the diffusion of the material
at thickness of membrane = 10*10^-6 m
can be calculated using this relation = ---------- (2)
flux = 0.234 * 10^-12 mol.cm^-2.s^-1
thickness = 10*10^-4 cm
diffusion coefficient = 0.8 * 10^-5 cm^2.s
Cl = 2.3*10^-6 m
input the above values into equation 2
equivalent relative area available for the diffusion of the material
= 1.27 * 10^-5
<h3>Answer:</h3>
Compound A is Ethylbenzene.
<h3>Explanation:</h3>
The structure of Ethylbenzene was elucidated and finalized based on following facts:
1) The presence of multiplet signal ranging from δ 7.27 to 7.40 ppm confirms the presence of aromatic protons. Also the statement says that this signal is for 5 protons indicating that the benzene ring is mono substituted.
2) The substituted group on benzene is Ethyl because the quartet for two protons shows that two protons (-CH₂-) are coupled with a CH₃ group. Hence, the ethyl group gives one quartet and one triplet signal.
3) The chemical reaction stated in statement is Nitration reaction. Also, the alkyl group (ethyl) is ortho-para directing in nature. Hence, it will give two products i.e. 1-Ethyl-2-nitrobenzene and 1-Ethyl-4-nitrobenzene respectively.
Attached figure gives the calculated NMR spectrum of Ethylbenzene and the chemical shifts calculated are almost near to the given values. Also, the two products formed are shown.