Science Double Award - 4SD0 PearsonEdexcel

Alkanes

Bayani Gaba-gaba

Alkanes are the simplest family of hydrocarbons and the main components of crude oil fractions. Their single carbon-carbon bonds make them relatively unreactive, but under the right conditions they undergo substitution reactions with halogens.

In this lesson you will learn the general formula for alkanes, why they are called saturated hydrocarbons, how to draw structural and displayed formulae for the first five members, and what happens when alkanes meet halogens in ultraviolet light.

Manufura

  1. Know the general formula for alkanes
  2. Explain why alkanes are classified as saturated hydrocarbons
  3. Understand how to draw the structural and displayed formulae for alkanes with up to five carbon atoms
  4. Describe the reactions of alkanes with halogens in the presence of ultraviolet radiation

Takardar Darasi

Every fuel you burn and every plastic you touch starts with hydrocarbons. Alkanes are the simplest family, and understanding their structure explains why crude oil fractions behave the way they do. They are generally unreactive, which is exactly what makes them good fuels but poor raw materials without cracking.

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Nazarin Darasi

Barka da kammala darasi akan Alkanes. Yanzu da kuka bincika mahimman raayoyi da raayoyi, lokaci yayi da zaku gwada ilimin ku. Wannan sashe yana ba da ayyuka iri-iri Tambayoyin da aka tsara don ƙarfafa fahimtar ku da kuma taimaka muku auna fahimtar ku game da kayan.

Za ka gamu da haɗe-haɗen nau'ikan tambayoyi, ciki har da tambayoyin zaɓi da yawa, tambayoyin gajeren amsa, da tambayoyin rubutu. Kowace tambaya an ƙirƙira ta da kyau don auna fannoni daban-daban na iliminka da ƙwarewar tunani mai zurfi.

Yi wannan ɓangaren na kimantawa a matsayin wata dama don ƙarfafa fahimtarka kan batun kuma don gano duk wani yanki da kake buƙatar ƙarin karatu. Kada ka yanke ƙauna da duk wani ƙalubale da ka fuskanta; maimakon haka, ka kallesu a matsayin damar haɓaka da ingantawa.

  1. The general formula for alkanes is: A) CnH2n B) CnH2n+2 C) CnH2n-2 D) CnHn+2 Answer: B
  2. Which of the following is a saturated hydrocarbon? A) Ethene B) Propene C) Butane D) Butene Answer: C
  3. Methane reacts with bromine in UV light. This is an example of: A) Addition B) Combustion C) Substitution D) Decomposition Answer: C
  4. How many hydrogen atoms are in pentane? A) 10 B) 12 C) 14 D) 8 Answer: B
  5. What condition is needed for alkanes to react with halogens? A) Heat B) A catalyst C) Ultraviolet light D) High pressure Answer: C

Akwai a cikin manhajar Green Bridge

Zazzage manhajar Green Bridge CBT a wayar ka ko kwamfyuta ka don samun cikakkiyar bayanan darasi, tambayoyin aiki, da ƙari.

Cikakkiyar bayanan darasi tare da zane-zane
Mataimakiyar koyo da AI
Yi karatu ba tare da intanet ba, a kowane lokaci, a ko'ina
Akwai a Android, Windows, macOS, da Linux

Akwai a cikin manhajar Green Bridge

Zazzage manhajar Green Bridge CBT a wayar ka ko kwamfyuta ka don samun cikakkiyar bayanan darasi, tambayoyin aiki, da ƙari.

Cikakkiyar bayanan darasi tare da zane-zane
Mataimakiyar koyo da AI
Yi karatu ba tare da intanet ba, a kowane lokaci, a ko'ina
Akwai a Android, Windows, macOS, da Linux

Yi Aikin Tambayoyin Gwaji

Kana son yin aikin tambayoyin gwaji kan Alkanes? Sauke manhajar Green Bridge CBT don samun tambayoyin gwaji da cikakkun jarrabawa akan wannan batu.

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