5. Would a molecule of methane (CH,) be affected by the presenc Q6. lodine is a

Question

5. Would a molecule of methane (CH,) be affected by the presenc Q6. lodine is a diat Q7 Compounds formed from only carbon and hydrogen (called hydrocarbons) are oft e of an electric field? Explain your answer. omic element. Draw its Lewis structure and use this to explain your data from Part II of this experiment that showed lodine's solubility in oil or water referred to as hydrocarbons wouldn't mix well with water and why the word "hydrophobic" illustrates this concept. Processed foods that are made from both polar least one ingredient called an "emulsifier" to prevent separation during storage. Lecithin is an emulsifier used in many commercial salad dressings. The picture below shows its molecular structure. Use its structure and your knowledge of polarity and its effect on liquid miscibility to explain how lecithin prevents the vinegar and oil in salad dressing from separating. drophobic", meaning that they do not mix well with water. Explain why Q8. and nonpolar ingredients often include at Molecular structure of lecithin: 0 H,C-O C-CH,-CH:-CH -CH-CH-CH-CH, CH CH, -CH,-CH-CH,-CH,-CH-CH CH,-CH, H,C-0-C-CH,-CHe -CH-CH-CH-CH-CH-CH-CH-CH -CH,-CH:-CH2-CH CH H2C-0-P-O-CH,-CH2-N.-CH, 0 CH 0 CH

Explanation / Answer

5)

since CH4 is a non polar molecule there is no effect of electric field on the molecule. But, if there is polar molecule like H2O the dipole moment affects the orientation of the bonds in the presence of an electric field due to current carrying electrons.

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