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Chemical Properties of Group - 17 Elements (Part - 2) Video Lecture - NEET

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FAQs on Chemical Properties of Group - 17 Elements (Part - 2) Video Lecture - NEET

1. What are the physical states of Group 17 elements at room temperature?
Ans. At room temperature, Group 17 elements exist in different physical states. Fluorine (F2) and chlorine (Cl2) are gases, bromine (Br2) is a liquid, and iodine (I2) is a solid.
2. How do Group 17 elements react with metals?
Ans. Group 17 elements, also known as halogens, react with metals to form ionic compounds known as metal halides. These reactions are highly exothermic and involve the transfer of electrons from the metal atoms to the halogens, resulting in the formation of stable ionic bonds.
3. What is the trend in electronegativity of Group 17 elements?
Ans. The electronegativity of Group 17 elements decreases as you move down the group. Fluorine has the highest electronegativity among the halogens, while iodine has the lowest. This trend can be attributed to the increase in atomic size and shielding effect as you move down the group.
4. How do Group 17 elements react with hydrogen?
Ans. Group 17 elements react with hydrogen to form hydrogen halides (HX), where X represents a halogen atom. These reactions are highly exothermic and involve the transfer of electrons from the hydrogen atom to the halogen atom, resulting in the formation of polar covalent bonds.
5. What are some common uses of Group 17 elements?
Ans. Group 17 elements find various applications in different industries. Chlorine is used in the production of PVC, water treatment, and disinfectants. Fluorine is used in the production of fluorocarbons and as a catalyst in various chemical reactions. Bromine is used in flame retardants and pharmaceuticals. Iodine is used in medical applications, such as antiseptics and contrast agents for medical imaging.
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