Interdisciplinary Topics (CSIR (Council of Scientific & Industrial Research) Chemical Sciences): Questions 1 - 2 of 2

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Question number: 1

» Interdisciplinary Topics » Chemistry in Nanoscience and Technology

Appeared in Year: 2013

MCQ▾

Question

Michael Faraday observed that colour of colloidal suspension of gold nanoparticle changes with size of nanoparticles this is because- (Dec)

Choices

Choice (4) Response

a.

Band gap of gold changes with size of nanoparticle

b.

Gold in nanocrystalline form undergoes transmutation to other elements

c.

Gold forms complex with the solvent.

d.

Colloidal suspension diffract right.

Question number: 2

» Interdisciplinary Topics » Environmental Chemistry

Appeared in Year: 2014

MCQ▾

Question

The spectrum of shows: - (June)

Choices

Choice (4) Response

a.

Singlet for a trigonal pyramidal structure.

b.

Doublet and triplet for a T-shaped structure.

c.

Singlet for a trigonal planar structure.

d.

Doublet and singlet for a T-shaped Structure.

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