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Chemistry > QA > Flashcards

QA Flashcards

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1
Q

Fe2+ ion

A
  • green ppt

- insoluble in both grp 1 hydroxide and NH3 (aq)

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2
Q

Fe3+ ion

A
  • brown ppt

- insoluble in both grp 1 hydroxide and NH3 (aq)

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3
Q

Cu2+ ion

A
  • blue ppt
  • insoluble in grp 1 hydroxide
  • soluble in NH3 (aq) to form a dark blue sol
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4
Q

Ca2+ ion

A
  • white ppt
  • insoluble in grp 1 hydroxide
  • no observation in NH3 (aq)
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5
Q

Zn2+ ion

A
  • white ppt

- soluble in both grp 1 hydroxide and NH3 (aq)

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6
Q

Al3+ ion & Pb2+

A
  • white ppt
  • soluble in grp 1 hydroxide
  • insoluble in NH3 (aq)
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Chemistry (8 decks)

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