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Factors - UV Spectroscopy

Factors - UV Spectroscopy

Assessment

Presentation

Professional Development

Professional Development

Practice Problem

Hard

Created by

Chandni Chandarana

Used 4+ times

FREE Resource

32 Slides • 5 Questions

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​Types of shift

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Multiple Choice

Which of the following effects results in increased intensity (absorbance) of the UV peak?

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Bathochromic shift

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Hypochromic effect

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Hyperchromic effect

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Hypsochromic shift

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Multiple Select

Which of the following factor will not produce bathochromic shift?

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Alkyl substitution

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None of above

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Trans molecular structure

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Double bond extended conjugation

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Multiple Select

What is the general effect of increasing solvent polarity on the π → π* transition?

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λmax increases (bathochromic shift)

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λmax decreases (hypsochromic shift)

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No change

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bsorbance becomes zero

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Multiple Choice

Due to high temperature which shift can be produced?

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Red shift

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Blue shift

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Hyppochromic shift

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Hyperchromic shift

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Multiple Choice

The deuterium lamp emits radiation in which wavelength range?

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100–200 nm

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160–375 nm

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400–700 nm

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250–850 nm

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