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Nomenclature

The correct s...

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The correct statement about bromination of benzene is (1) It form π- complex (2) It form sigma- complex (3) It neither form π - complex nor sigma - complex (4) Both (1) & (2)

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Q. In electrophilic aromatic substitution reaction, benzene ring attacks the

E^{+}

(electrophile) to generate the intermediate

σ - complex.

Which of the following

σ

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Q. Assertion :Statement

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1 : Coordination isomerism occurs when both cation and anion are complex. Reason: Statement

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2 : The complexes with coordination number 6 form octahedral complexes involving either

s p^{3} d^{2}

d^{2} s p^{3}

The polar form (r, θ) of the complex number 1 – i √3 is

Q. Ammonia is a Lewis base. It forms complexes with cations. Which one of the following cations does not form complex with ammonia?

Q. The coordination complex,

[C u (O H_{2})_{6}]^{2 +}

has one unpaired electron. Which of the following statements are true about the coordination complex,

[C u (O H_{2})_{6}]^{2 +}

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(1) The complex is octahedral.
(2) The complex is an outer orbital complex.
(3) The complex is

d^{2} d p^{3}

hybridized.
(4) The complex is diamagnetic.
(5) The coordination number is

6

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