Science - Combined - 0653 CIE

Terminology

Akopọ

Organic chemistry is the chemistry of carbon compounds, and carbon's talent for forming long chains and rings gives us millions of them. To make sense of so many compounds, chemists sort them into families that share a common reactive part. That shared part is the key to the whole subject.

In this lesson you will meet the idea of a homologous series, a family of compounds with the same functional group and the same general formula. You will learn what a functional group is and why every member of a family reacts in much the same way.

Awọn Afojusun

  1. [Core] State that a saturated compound has molecules in which all carbon-carbon bonds are single bonds
  2. [Core] State that an unsaturated compound has molecules in which one or more carbon-carbon bonds are not single bonds
  3. [Supplement] State that a homologous series is a family of similar compounds with similar chemical properties
  4. [Supplement] Describe the general characteristics of a homologous series as: (a) having the same general formula (recall of specific general formulas is not required) (b) displaying a trend in physical properties

Akọ̀wé Ẹ̀kọ́

There are far too many carbon compounds to study one by one. Grouping them into homologous series means that once you know how one member behaves, you can predict the behaviour of the whole family. The functional group is the single idea that ties each family together.

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Oriire fun ipari ẹkọ lori Terminology. Ni bayi ti o ti ṣawari naa awọn imọran bọtini ati awọn imọran, o to akoko lati fi imọ rẹ si idanwo. Ẹka yii nfunni ni ọpọlọpọ awọn adaṣe awọn ibeere ti a ṣe lati fun oye rẹ lokun ati ṣe iranlọwọ fun ọ lati ṣe iwọn oye ohun elo naa.

Iwọ yoo pade adalu awọn iru ibeere, pẹlu awọn ibeere olumulo pupọ, awọn ibeere idahun kukuru, ati awọn ibeere iwe kikọ. Gbogbo ibeere kọọkan ni a ṣe pẹlu iṣaro lati ṣe ayẹwo awọn ẹya oriṣiriṣi ti imọ rẹ ati awọn ogbon ironu pataki.

Lo ise abala yii gege bi anfaani lati mu oye re lori koko-ọrọ naa lagbara ati lati ṣe idanimọ eyikeyi agbegbe ti o le nilo afikun ikẹkọ. Maṣe jẹ ki awọn italaya eyikeyi ti o ba pade da ọ lójú; dipo, wo wọn gẹgẹ bi awọn anfaani fun idagbasoke ati ilọsiwaju.

  1. A homologous series is a family of compounds with the same: A. Colour B. Functional group and general formula C. Number of atoms D. Boiling point Answer: B
  2. The functional group of the alkenes is: A. -OH B. -COOH C. C=C double bond D. C-C single bond Answer: C
  3. Successive members of a homologous series differ by: A. CH4 B. CH2 C. H2O D. CO2 Answer: B
  4. The general formula of the alkanes is: A. CnH2n B. CnH2n+2 C. CnH2n+1OH D. CnH2n-2 Answer: B
  5. A functional group is the part of a molecule that determines its: A. Mass B. Colour C. Chemical reactions D. State Answer: C

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O wa lori ohun elo Green Bridge

Gba ohun elo Green Bridge CBT sori foonu tabi kọmputa rẹ lati ri awọn akọsilẹ ẹkọ ni kikun, awọn ibeere adaṣe, ati diẹ sii.

Awọn akọsilẹ ẹkọ ni kikun pẹlu awọn aworan apejuwe
Oluranlọwọ ẹkọ ti AI ṣe agbara rẹ
Kọ ẹkọ laisi intanẹẹti, nigbakugba, nibikibi
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