Coordination Compounds Test

Result

Coordination Compounds Test - 25

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Weekly Quiz Competition

Question 1
1 / -0

Only One Option Correct Type
Direction (Q. Nos. 1-10) This section contains 10 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONLY ONE is correct.
Q. A filter paper moistened with ammoniacal sodium nitroprusside solution turns violet on contact with a drop of alkaline Na₂S solution .The violet colour is due to the formation of

A
[Fe(SCN)₅NO]^-

B
[Fe(CN)₅NOS]

C
[Fe(CN)₅NOS]^4-

D
[Fe(SCN)₅NO]^2-

Solution

Na₂S + Na₂[Fe(CN)₅NO] →
Question 2
1 / -0

Wilkinson’s catalyst is

A
[Rh(CO)₂I₂]^-

B
[(Ph₃P)₃RhCI]

C
[Co₂(CO)₈]

D
[(Ph₃P)₂Rh(CO)Cl]

Solution

Wilkinson’s catalyst is a rhodium complex [(Ph₃P)₃RhCI] and it is used as a catalyst for hydrogenation of alkenes reactions.
Question 3
1 / -0

Tollen’s reagent contains

A
AgOH

B
[Ag(NH₃)₂]⁺

C
[Ag(NO₃)₂]⁺

D
AgNO₃

Solution

Tollen's reagent (ammonical silver nitrate solution) which is a colorless, basic, aqueous solution containing silver ions coordinated to ammonia; [Ag(NH₃)₂]⁺.
Question 4
1 / -0

The compound formed by dissolving gold and platinum in aqua-regia is

A
[AuCI₄]^3- and [PtCl₆]^2-

B
[AuCI₄]^- and [PtCI₆]^4-

C
[AuCI₄]^- and [PtCI₆]^2-

D
[AuCI₄]^- and [PtCI₄]^2-

Solution
Question 5
1 / -0

Among the following, which is not the n-bonded organometallic compound?

A
(CH₃)₄Sn

B
K[PtCI₃(η²- C₂H₄)]

C
Fe(η⁵ - C₅H₅)₂

D
Cr(η⁶- C₆H₆)₂

Solution

(CH₃)₄ Sn is a σ-bonded organometaiiic compound.
Question 6
1 / -0

Which of the following biomolecules contain a non-transition metal ion?

A
Vitamin B-12

B
Chlorophyll

C
Haemoglobin

D
Insulin

Solution

The pigment responsible for photosynthesis, i.e. chlorophyll is a coordination compound of magnesium.
Question 7
1 / -0

In black and white photography, the developed film is fixed by washing with hypo solution which dissolves the undecomposed AgBr to form a complex ion formed is

A
[Ag(S₂O₃)₂]^3-

B
[Ag(S₂O₃)₂]^2-

C
[Ag(S₂O₃)₃]^2-

D
[Ag(S₂O₃)₂]^-

Solution

2Na₂S₂O₃ + AgBr → Na₃[Ag(S₂O₃)₂]+ NaBr
Question 8
1 / -0

In the estimation of hardness of water, the reagent used is

A
hypo solution

B
KMnO₄

C
EDTA solution

D
K₂Cr₂O₇

Solution

The quantity of Ca, Mg salts in water is estimated by using standard EDTA solution using erichrome black T as an indicator.
Question 9
1 / -0

Which of the following is powerful cr-donor and n-acceptor ligand?

A
Cl^-

B
CO

C
NH₃

D
OH^-

Solution

CO as ligand is sigma donor and pi acceptor ligand.This is called pi-acid.
Question 10
1 / -0

Fe²⁺ and Fe³⁺ can be distinguished by

A
K₃[Fe(CN)₆]

B
K₄[Fe(CN)₆]

C
[(KSCN)]

D
All of these

Solution
Question 11
1 / -0

Matching List Type
Direction (Q. Nos. 11 and 12) Choices for the correct combination of elements from Column I and Column II are given as options (a), (b), (c) and (d) out of which one is correct.
Q.
Match the Column I with Column II and mark the correct option from the codes given below.

A
a

B
b

C
c

D
d

Solution

(i) → (r), (ii) → (q), (iii) → (s), (iv) → (p)
Question 12
1 / -0

Match the Column I with Column II and mark the correct option from the codes given below.

A
a

B
b

C
c

D
d

Solution

(i) → (p,r), (ii) → (s), (iii) → (q), (iv) → (t)
Question 13
1 / -0

Statement Type
Direction (Q. No. 13) This section is based on Statement I and Statement II. Select the correct answer from the codes given below.
Q.
Statement I : Mn(π— C₃H₅)(CO)₄, obey effective atomic number rule.
Statement II : π-allyl ligand act as a 3e^- donor.

A
Both Statement I and Statement II are correct and Statement II is the correct explanation of Statement I

B
Both Statement I and Statement II are correct but Statement II is not the correct explanation of Statement I

C
Statement I is correct but Statement II is incorrect

D
Statement II is correct but Statement I is incorrect

Solution

In Mn(π -C₃H₅) (CO)₄
Mn= 25
π-C₃H₅ = 3
4 (CO) = 8
Hence, EAN = 36
Hence, π-C₃H₅ ligand acts as a 3-electron donor and complex obey effective atomic number rule.

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Coordination Compounds Test - 25

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Coordination Compounds Test - 25

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Question 1

[Fe(SCN)5NO]-

[Fe(CN)5NOS]

[Fe(CN)5NOS]4-

[Fe(SCN)5NO]2-

Solution

Question 2

[Rh(CO)2I2]-

[(Ph3P)3RhCI]

[Co2(CO)8]

[(Ph3P)2Rh(CO)Cl]

Solution

Question 3

AgOH

[Ag(NH3)2]+

[Ag(NO3)2]+

AgNO3

Solution

Question 4

[AuCI4]3- and [PtCl6]2-

[AuCI4]- and [PtCI6]4-

[AuCI4]- and [PtCI6]2-

[AuCI4]- and [PtCI4]2-

Solution

Question 5

(CH3)4Sn

K[PtCI3(η2- C2H4)]

Fe(η5 - C5H5)2

Cr(η6- C6H6)2

Solution

Question 6

Vitamin B-12

Chlorophyll

Haemoglobin

Insulin

Solution

Question 7

[Ag(S2O3)2]3-

[Ag(S2O3)2]2-

[Ag(S2O3)3]2-

[Ag(S2O3)2]-

Solution

Question 8

hypo solution

KMnO4

EDTA solution

K2Cr2O7

Solution

Question 9

Cl-

CO

NH3

OH-

Solution

Question 10

K3[Fe(CN)6]

K4[Fe(CN)6]

[(KSCN)]

All of these

Solution

Question 11

a

b

c

d

Solution

Question 12

a

b

c

d

Solution

[Fe(SCN)₅NO]^-

[Fe(CN)₅NOS]

[Fe(CN)₅NOS]^4-

[Fe(SCN)₅NO]^2-

[Rh(CO)₂I₂]^-

[(Ph₃P)₃RhCI]

[Co₂(CO)₈]

[(Ph₃P)₂Rh(CO)Cl]

[Ag(NH₃)₂]⁺

[Ag(NO₃)₂]⁺

AgNO₃

[AuCI₄]^3- and [PtCl₆]^2-

[AuCI₄]^- and [PtCI₆]^4-

[AuCI₄]^- and [PtCI₆]^2-

[AuCI₄]^- and [PtCI₄]^2-

(CH₃)₄Sn

K[PtCI₃(η²- C₂H₄)]

Fe(η⁵ - C₅H₅)₂

Cr(η⁶- C₆H₆)₂

[Ag(S₂O₃)₂]^3-

[Ag(S₂O₃)₂]^2-

[Ag(S₂O₃)₃]^2-

[Ag(S₂O₃)₂]^-

KMnO₄

K₂Cr₂O₇

Cl^-

NH₃

OH^-

K₃[Fe(CN)₆]

K₄[Fe(CN)₆]