The Halogens Flashcards by Lyanne Penney

Q

Group 7 elements exist as (?) molecules

A

Diatomic

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Q

Intermolecular forces between halogen molecules

A

Induced dipole-dipole / London forces

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Q

Physical state of iodine at RTP

A

Solid

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Q

Physical state of bromine at RTP

A

Liquid

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Q

Physical state of chlorine at RTP

A

Gas

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Q

Physical state of fluorine at RTP

A

Gas

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Q

Group 7 elements are oxidising/reducing agents

A

Oxidising - electron acceptors

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Q

Colour of aqueous layer after mixing Cl2 and KBr

A

Yellow

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Q

Colour of organic layer after mixing Cl2 and KBr

A

Orange

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Q

Colour of organic layer after mixing I2 and KBr

A

Purple/Violet

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Q

Name of reaction between chlorine and water

A

Disproportionation

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Q

Halide ions are oxidising/reducing agents

A

Reducing

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Q

Halide ions are electron donors/acceptors

A

Donors

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Q

Name of lattice structure for halogens in the solid state

A

Simple covalent/molecular lattice

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