Which of the following statements is true?

Chemistry

2 answers:

Ivan3 years ago

5 0

Answer:

Explanation:

Most metals can be drawn into a wire while nonmetals would break apart.

natima [27]3 years ago

4 0

Answer:

Most metals can be drawn into a wire, while nonmetals would break apart.

Explanation:

Most of the metals can be drawn into wire without breaking because their tensile strength is high. This property of metals is known as ductility.

Non metals on the other hand do not have this ability because they are brittle and tend to break apart because their tensile strength is very low.

The examples of metals which are generally used for making wires are aluminium, iron, copper etc. and rarely gold and silver are used for making wires for expensive equipments like computers.

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Functional group and bond hybridization of vanillin

lana66690 [7]

Vanillin is the common name for 4-hydroxy-3-methoxy-benzaldehyde.

See attached figure for the structure.

Vanillin have 3 functional groups:

1) aldehyde group: R-HC=O, in which the carbon is double bonded to oxygen

2) phenolic hydroxide group: R-OH, were the hydroxyl group is bounded to a carbon from the benzene ring

3) ether group: R-O-R, were hydrogen is bounded through sigma bonds to carbons

Now for the hybridization we have:

The carbon atoms involved in the benzene ring and the red carbon atom (from the aldehyde group) have a sp² hybridization because they are involved in double bonds.

The carbon atom from the methoxy group (R-O-CH₃) and the blue oxygen's have a sp³ hybridization because they are involved only in single bonds.