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Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074

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BuyFindarrow_forward

Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074
Textbook Problem

Does the main emission line for SrCl2 have a longer or shorter wavelength than that of the yellow line from NaCI?

Interpretation Introduction

Interpretation: The emission line produced by SrCl2 is whether shorter or longer wavelength than the yellow colour produced by the excited sodium has to be determined.

Concept introduction:

  • To prepare fireworks, an oxidizer such as perchlorate, nitrate or chlorate is required.
  • While heating sodium salts, it produces intense yellow colour and strontium salt produces red colour in fireworks.
  • The wavelength of yellow color is between 570nm and 590nm whereas red colour lies in the region of 750nm620nm.
Explanation

While heating sodium salts, it produces intense yellow colour. The wavelength of this yellow color is around 570nm and 590nm.

While heating strontium salt (SrCl2), it mainly produces intense red colour

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