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Biochemistry 4th Edition by Christopher Mathews,Kensal van Holde, Dean Appling, Spencer Anthony Cahill
Edition 4ISBN: 978-0138004644Biochemistry 4th Edition by Christopher Mathews,Kensal van Holde, Dean Appling, Spencer Anthony Cahill
Edition 4ISBN: 978-0138004644 Exercise 2
Rank the following in terms of expected dipole moment, and explain your choice:
H2 S,CCl4 ,H3 N + -CH2 -COO ,H3 N + -CH2 -CH2 -CH2 -COO
H2 S,CCl4 ,H3 N + -CH2 -COO ,H3 N + -CH2 -CH2 -CH2 -COO
Explanation
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Verified
Dipole movement (µ) is a measure that expresses the polarity of a molecule. The dipole movement increases with increase in charge separation distance. Compounds with evenly distributed charges generally have zero dipole movement.
The increasing order of dipole movements of the given compounds is, CCl4 H2 S H3 N + CH2 COO - H3 N + CH2 CH2 CH2 COO -.
Carbon tetrachloride (CCl4 ) is a symmetrical compound, so its dipole movement is zero. Hydrogen sulphide (H2 S) is similar to water (H2 O). In ammonium acetate (H3 N + CH2 COO - ), the charges are separated, and this separation of charges is still more grater in H3 N + CH2 , CH2 , CH2 COO -. Thus, H3 N + CH2 , CH2 , CH2 COO - are having high dipole movement.
The increasing order of dipole movements of the given compounds is, CCl4 H2 S H3 N + CH2 COO - H3 N + CH2 CH2 CH2 COO -.
Carbon tetrachloride (CCl4 ) is a symmetrical compound, so its dipole movement is zero. Hydrogen sulphide (H2 S) is similar to water (H2 O). In ammonium acetate (H3 N + CH2 COO - ), the charges are separated, and this separation of charges is still more grater in H3 N + CH2 , CH2 , CH2 COO -. Thus, H3 N + CH2 , CH2 , CH2 COO - are having high dipole movement.
Biochemistry 4th Edition by Christopher Mathews,Kensal van Holde, Dean Appling, Spencer Anthony Cahill
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