Transition Elements (OCR A-Level Chemistry A): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the color of the hexaaquacopper(II) complex ion, ?
What is the color of the hexaaquacopper(II) complex ion, ?
Pale blue
What color forms when excess ammonia is added to ?
What color forms when excess ammonia is added to ?
Dark blue
What happens to the coordination number when reacts with ?
What happens to the coordination number when reacts with ?
Changes from 6 to 4
What geometry does have?
What geometry does have?
Tetrahedral
Why is carbon monoxide poisonous to humans?
Why is carbon monoxide poisonous to humans?
Binds to Fe²⁺ more strongly than O₂
What happens to precipitate in excess NaOH?
What happens to precipitate in excess NaOH?
Dissolves to form
What color is the precipitate when NaOH is added to Fe²⁺ ions?
What color is the precipitate when NaOH is added to Fe²⁺ ions?
Green
What is first observed when ammonia is added drop-wise to solution?
What is first observed when ammonia is added drop-wise to solution?
Blue precipitate of
Which metal hydroxides dissolve in excess ammonia?
Which metal hydroxides dissolve in excess ammonia?
Cu(OH)₂ and Cr(OH)₃ only
What color is the complex ion?
What color is the complex ion?
Purple