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p-Block Elements PPT Chemistry Class 11

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FAQs on p-Block Elements PPT Chemistry Class 11

1. What are p-block elements in Group 13-14?
Ans. p-block elements in Group 13-14 are elements that belong to the p-block of the periodic table and are found in Group 13 (Boron group) and Group 14 (Carbon group). These elements include Boron, Aluminum, Gallium, Indium, Thallium in Group 13, and Carbon, Silicon, Germanium, Tin, Lead in Group 14.
2. What are the properties of Group 13 elements?
Ans. Group 13 elements have some common properties such as having three valence electrons, forming three covalent bonds, and exhibiting oxidation states of +3. They tend to have metallic characteristics and are generally less reactive than alkali metals. These elements also show an increasing tendency to form complexes as we move down the group.
3. What are the properties of Group 14 elements?
Ans. Group 14 elements have some common properties such as having four valence electrons, exhibiting a variety of oxidation states including +2 and +4, and showing a tendency to form covalent bonds. These elements have both metallic and non-metallic characteristics and their reactivity increases as we move down the group.
4. What are the uses of Group 13 elements?
Ans. Group 13 elements have various uses in different fields. Aluminum is widely used in the construction industry due to its lightweight and corrosion-resistant properties. Boron is used in the production of borosilicate glass and as a dopant in semiconductors. Indium is used in the production of LCD screens and solar panels. These elements also find applications in medicine, agriculture, and aerospace industries.
5. What are the applications of Group 14 elements?
Ans. Group 14 elements have diverse applications. Carbon is the basis of organic chemistry and is found in various forms such as diamond and graphite. Silicon is widely used in the production of semiconductors, computer chips, and solar cells. Tin is used in the production of tin cans and as a coating material. Lead has been historically used in batteries, soldering, and radiation shielding. These elements have significance in industries like electronics, construction, and automotive.
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