What is the orbital notation of Li?
What is the orbital notation of Li?
Lithium is the third element with a total of 3 electrons. In writing the electron configuration for lithium the first two electrons will go in the 1s orbital. Since 1s can only hold two electrons the remaining electron for Li goes in the 2s orbital. Therefore the Li electron configuration will be 1s22s1.
Is the Valency of carbon positive or negative?
Carbon has four valence electrons and here a valence of carbon is four.
What is the Tetravalency of carbon?
Carbon obeys the octet rule and forms 4 covalent bonds with other atoms to get a stable electronic configuration. Thus, carbon is tetravalent (It means valency of carbon is 4.) and can form 4 covalent bonds with not only other atoms but other carbon atoms as well. This is called tetravalency of carbon.
What is the reason for carbon Tetravalency?
Answer. A carbon atom completes its octet only by sharing its valence electrons with other atoms. As a result, a carbon atom forms four covalent bonds by sharing valence electrons with other atoms. This is known as tetravalency of carbon (“tetra” means four).
What is called Tetravalency?
Carbon has a valency of four, so it is capable of bonding with four other atoms of carbon or atoms of some other monovalent element. This is known as tetravalency of carbon.
What is homologous series explain with examples?
A homologous series is a series of carbon compounds that have different numbers of carbon atoms but contain the same functional group. For example, methane, ethane, propane, butane, etc. are all part of the alkane homologous series. The general formula of this series is CnH2n+2.
What is homologous series Short answer?
A homologous series is a series of compounds with the same general formula, usually varying by a single parameter such as the length of a carbon chain. Compounds within a homologous series typically have a fixed set of functional groups that gives them similar chemical and physical properties.
How do homologous series differ?
A homologous series is a series of compounds in which each member differs from the next/previous by CH2 or 14 mass units. Physical properties change in a homologous series but chemical properties remain almost the same because the functional group does not change.
Which three compounds can be considered to be a homologous series?
A homologous series is a family of hydrocarbons with similar chemical properties who share the same general formula. We will look at three hydrocarbon series: alkanes, alkenes and the cycloalkanes. Hydrocarbons are compounds that contain only hydrogen and carbon.
What is the general formula for the nitriles homologous series?
You can think of an homologous series as a ‘family’ or group of compounds, whose chemical behaviour is very similar and whose physical properties show trends when ascending the members of the group (in terms of number of carbon atoms)….
| Series | General formula |
|---|---|
| Nitriles | CnH(2n+1)CN |
Does nitrile mean latex free?
Nitrile gloves are made from a synthetic rubber which does not contain latex and is, therefore, safe for contact with people suffering from a latex allergy.
What is the formula of nitrile?
A nitrile is an organic chemical that contains a cyano functional group (subunit), CN-, in which the carbon and nitrogen atoms have a triple bond i.e. C≡N-. The general chemical formula of a nitrile is RCN, where R is the organic group.
How do you convert nitrile to amine?
Nitriles can be converted to 1° amines by reaction with LiAlH4. During this reaction the hydride nucleophile attacks the electrophilic carbon in the nitrile to form an imine anion.