Alkanes
Gbogbo ọrọ náà
Alkanes are the simplest organic molecules - chains of carbon atoms bonded to nothing but hydrogen. They burn well, which makes them excellent fuels, but they are otherwise remarkably unreactive. Natural gas, petrol, and candle wax are all alkanes.
In this lesson you will learn the general formula for alkanes, why they are called saturated hydrocarbons, and how to draw and name the first five members of the series. You will also explore their combustion reactions and physical property trends.
Ebumnobi
- Know the general formula for alkanes
- Explain why alkanes are classified as saturated hydrocarbons
- Understand how to draw the structural and displayed formulae for alkanes with up to five carbon atoms in the molecule, and to name the unbranched-chain isomers
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Akwụkwọ Ọmụmụ
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Nnyocha Ọmụmụ
Ekele diri gi maka imecha ihe karịrị na Alkanes. Ugbu a na ị na-enyochakwa isi echiche na echiche ndị dị mkpa, ọ bụ oge iji nwalee ihe ị ma. Ngwa a na-enye ụdị ajụjụ ọmụmụ dị iche iche emebere iji kwado nghọta gị wee nyere gị aka ịmata otú ị ghọtara ihe ndị a kụziri.
Ị ga-ahụ ngwakọta nke ụdị ajụjụ dị iche iche, gụnyere ajụjụ chọrọ ịhọrọ otu n’ime ọtụtụ azịza, ajụjụ chọrọ mkpirisi azịza, na ajụjụ ede ede. A na-arụpụta ajụjụ ọ bụla nke ọma iji nwalee akụkụ dị iche iche nke ihe ọmụma gị na nkà nke ịtụgharị uche.
Jiri akụkụ a nke nyocha ka ohere iji kụziere ihe ị matara banyere isiokwu ahụ ma chọpụta ebe ọ bụla ị nwere ike ịchọ ọmụmụ ihe ọzọ. Ekwela ka nsogbu ọ bụla ị na-eche ihu mee ka ị daa mba; kama, lee ha anya dị ka ohere maka ịzụlite onwe gị na imeziwanye.
- The general formula for alkanes is: A) CnH2n B) CnH2n+2 C) CnH2n-2 D) CnHn+2 Answer: B
- Alkanes are described as saturated because they: A) Contain double bonds B) Dissolve in water C) Contain only single carbon-carbon bonds D) Are very reactive Answer: C
- The products of complete combustion of an alkane are: A) Carbon monoxide and water B) Carbon dioxide and water C) Carbon and water D) Carbon dioxide and hydrogen Answer: B
- Which alkane has 3 carbon atoms? A) Methane B) Ethane C) Propane D) Butane Answer: C
- As alkane chain length increases, the boiling point: A) Decreases B) Stays the same C) Increases D) Fluctuates Answer: C
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Hydrocarbons
Explain the importance of hydrocarbons and the reason for their diversity
"Chemistry: Hydrocarbons" by OpenStax, OpenStax, Rice University, licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source: https://openstax.org/books/chemistry/pages/20-1-hydrocarbons. Access for free at https://openstax.org/books/chemistry/pages/1-introduction
Ndị otu ndị ọzọ bipụtara ha n'okpuru ikike mepere emepe, anyị na-ekele ha dị ka ha si chọọ. Njikọ na-emepe saịtị ha.
Meecha Ajụjụ Ule Ọmarịcha
Ị chọrọ ime ajụjụ ule ọmarịcha gbasara Alkanes? Budata ngwa Green Bridge CBT iji nweta ajụjụ ule ọmarịcha na nyocha zuru ezu gbasara isiokwu a.
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