Chemistry Crash Course JEE Advanced>Chapter 22 - Coordination Compounds>Exercise 1>Q 44

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Chemistry

IMPORTANT

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A $d ‐$ block element forms an octahedral complex, but its spin magnetic moment remains the same either in the strong field or in the weak field ligand. Which of the following is/are correct?

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Important Questions on Coordination Compounds

HARD

Chemistry

IMPORTANT

Chemistry Crash Course JEE Advanced>Chapter 22 - Coordination Compounds>Exercise 1>Q 45

An aqueous pink solution of cobalt

(II)

chloride changes to deep blue on the addition of an excess of

HCl .

This is because

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Chemistry Crash Course JEE Advanced>Chapter 22 - Coordination Compounds>Exercise 1>Q 46

Which of the following is/are characteristic of a tetrahedral complex?

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IMPORTANT

Chemistry Crash Course JEE Advanced>Chapter 22 - Coordination Compounds>Exercise 1>Q 47

Which of the following pair(s) have the same magnetic moment (spin only)?

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IMPORTANT

Chemistry Crash Course JEE Advanced>Chapter 22 - Coordination Compounds>Exercise 1>Q 48

Which is the correct observation?

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Chemistry

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Chemistry Crash Course JEE Advanced>Chapter 22 - Coordination Compounds>Exercise 1>Q 49

A diamagnetic complex, with molecular formula

Ni {({NO}_{3})}_{2} \cdot 4 Py \cdot 2 H_{2} O

is formed by the reaction of

Ni {({NO}_{3})}_{2} (aq)

with excess of pyridine. Select the incorrect statements about the complex (Assume the given complex exists)

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Chemistry

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Chemistry Crash Course JEE Advanced>Chapter 22 - Coordination Compounds>Exercise 1>Q 50

The complex

[Co {(en)}_{2} F_{2}]

can exist in two geometrical isomers Cis and trans. Regarding these isomers the correct statements are

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Chemistry

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Chemistry Crash Course JEE Advanced>Chapter 22 - Coordination Compounds>Exercise 1>Q 51

A complex has the empirical formula

{CoCl}_{3} \cdot 6 H_{2} O .

Which of the following statement(s) is/are correct?

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Chemistry

IMPORTANT

Chemistry Crash Course JEE Advanced>Chapter 22 - Coordination Compounds>Exercise 1>Q 52

Compound

$P : [Cr {(H_{2} O)}_{4} {Cl}_{2}] Br \cdot 2 H_{2} O$

$Q : [Cr {(H_{2} O)}_{4} {Br}_{2}] Cl \cdot 2 H_{2} O$

$R : [Cr {(H_{2} O)}_{5} Cl] {Br}_{2} \cdot 1 H_{2} O$

$S : [Cr {(H_{2} O)}_{6}] {Cl}_{3}$

Incorrect statement(s) are: