hologens reactions Flashcards

1
Q

what do halogens react with to form white salts and what are the salts called

A

alkali metals and metal halides

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2
Q

when iron reacts with a group 7 element an _________ reaction occurs and an _____ _________ is produced

A

exothermic, iron halide

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3
Q

are the salts formed with iron
Fe (II) or (III)?

A

III

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4
Q

whats a better way to compare the reactivity with halogens and alkali metals

A

through a displacement reaction

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5
Q

what are the solutions added to the test tube for the displacement experiment

A

halide salt solution and halogen solution

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6
Q

how would you know if theres been a reaction

A

a colour change

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7
Q

what does oil rig stand for

A

oxidation is loss (of electrons) reduction is gain (of electrons)

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