CSIR (Council of Scientific & Industrial Research) Chemical Sciences: Questions 294 - 298 of 427

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Question number: 294

» Inorganic Chemistry » Transition Elements and Coordination Compounds » Spectral and Magnetic Properties

Appeared in Year: 2013

MCQ▾

Question

Mullikan symbols for spectroscopic state arising from free-ion terms F are________ (June)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 295

» Inorganic Chemistry » Transition Elements and Coordination Compounds » Spectral and Magnetic Properties

Appeared in Year: 2013

MCQ▾

Question

Silica get contains as an indicator. When activated silica get becomes dark blue, while upon absorption of moisture, its color changes to pale pink. This because (June CSIR)

Choices

Choice (4) Response

a.

change its oxidation state to Co (III)

b.

changes its coordination from tetrahedral to octahedral

c.

Co (II) form kinetically labile while Co (III) from kinetically inert complexes

d.

Tetrahedral CFSE is not equal to octahedral CFSE.

Question number: 296

» Inorganic Chemistry » Transition Elements and Coordination Compounds » Structure

MCQ▾

Question

According to CFT can have 2 unpaired in________

Choices

Choice (4) Response

a.

Tetrahedral geometry only

b.

Square planar geometry only

c.

Oh and Td geometry

d.

Octahedral geometry only

Question number: 297

» Inorganic Chemistry » Transition Elements and Coordination Compounds » Spectral and Magnetic Properties

Appeared in Year: 2013

MCQ▾

Question

Calculate the total number of microstates for 6 identical particles with their occupation number {1, 2, 3} in three state________ (June)

Choices

Choice (4) Response

a.

12

b.

720

c.

6

d.

60

Question number: 298

» Inorganic Chemistry » Transition Elements and Coordination Compounds » Spectral and Magnetic Properties

Appeared in Year: 2013

MCQ▾

Question

have three bands in electronic spectrum which arise due to following transition________

Identify correct statement: - (June CSIR)

Choices

Choice (4) Response

a.

Intensities of A, B, C are similar

b.

Intensities of B and C are similar

c.

Intensity of (E) is lowest

d.

Intensity of (A) is lowest

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