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Compounds



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Q1. What is the coordination number of chromium in K3[Cr(C2O4)3]?

(a) 1
(b) 2
(c) 3
(d) 6

Q2. Coordination number is a characteristic of which of the following?

(a) Central atom
(b) Ligand
(c) Coordination entity
(d) Coordination compound

Q3. The SCN? ion is a unidentate ligand.

(a) True
(b) False
(c) Both acidolysis and aldehyde
(d) None of the mentioned

Q4. A protein can exist in a coordination entity as a ligand.

(a) True
(b) False
(c) Both acidolysis and aldehyde
(d) None of the mentioned

Q5. How many donor atoms can EDTA4- ligand bind through?

(a) 2
(b) 4
(c) 6
(d) 8

Q6. Which of the following cannot be a ligand?

(a) Ni2+
(b) Cl?
(c) H2O
(d) NH3

Q7. Which of the following is the central atom/ion in [CoCl(NH3)5]2+?

(a) Co
(b) Co2+
(c) Co3+
(d) Cl?

Q8. Identify the Lewis acid in K3[Al(C2O4)3].

(a) K+
(b) Al
(c) Al3+
(d) [Al(C2O4)3]3-

Q9. The central atom/ion of a coordination complex is also referred to as ________

(a) Lewis acid
(b) Lewis base
(c) Bronsted-Lowry acid
(d) Bronsted-Lowry base

Q10. Which of the following is the coordination entity in K2[Zn(OH)4]?

(a) K+
(b) Zn2+
(c) OH?
(d) [Zn(OH)4]2-


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The Composition Of Golden Spangles Is

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29.5 Mg Of An Organic Compound Containing Nitrogen Was

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29.5 Mg Of An Organic Compound Containing Nitrogen Was

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Sodium Borate On Reaction With H2SO4 (conc.) And C2H5OH Gives A Compound A Which Burns With Green Flame.The Compound A Is

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231 Year Ago

Sodium Borate On Reaction With H2SO4 (conc.) And C2H5OH Gives A Compound A Which Burns With Green Flame.The Compound A Is

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274 views

The Ammonia Evolved From The Treatment Of 0.30 G Of An

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A Colourless Gas With The Smell Of Rotten Fish Is

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