Question

i) What is Catenation?

ii) Define micelle.

iii) Name the acid present in vinegar.

iv) Write the general formula of alkanes. 4marks​

Answer 1

Explanation:

1. In chemistry, catenation is the bonding of atoms of the same element into a series, called a chain. A chain or a ring shape may be open if its ends are not bonded to each other, or closed if they are bonded in a ring.
2. an aggregate of molecules in a colloidal solution, such as those formed by detergents
3. acetic acid .acetic acidVinegar is an aqueous solution of acetic acid and trace chemicals that may include flavorings. Vinegar typically contains 5–8% acetic acid by volume. Usually the acetic acid is produced by the fermentation of ethanol or sugars by acetic acid bacteria.
4. The alkanes comprise a series of compounds that are composed of carbon and hydrogen atoms with single covalent bonds. This group of compounds comprises a homologous series with a general molecular formula of C n H 2 n+2 , where equals any integer.

Answer 2

Hii

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i) What is Catenation?

Answer-

In chemistry, catenation is the bonding of atoms of the same element into a series, called a chain. A chain or a ring shape may be open if its ends are not bonded to each other, or closed if they are bonded in a ring.

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ii) Define micelle.

Answer-

It is a unit of structure built up from polymeric molecules or ions: such as. An ordered region in a fiber (as of cellulose or rayon) b : a molecular aggregate that constitutes a colloidal particle.

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iii) Name the acid present in vinegar.

Answer-

acetic acid

Vinegar is an aqueous solution of acetic acid and trace chemicals that may include flavorings.

Vinegar typically contains 5–8% acetic acid by volume.

Usually the acetic acid is produced by the fermentation of ethanol or sugars by acetic acid bacteria.

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iv) Write the general formula of alkanes.

Answer-

Alkanes have the general chemical formula CnH2n+2.

In an alkane, each carbon atom is sp3-hybridized with 4 sigma bonds (either C–C or C–H), and each hydrogen atom is joined to one of the carbon atoms (in a C–H bond).

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