Which of the following statements is/are false about flame test?I. The color emitted by a compound in a flame test is due to all the ions it contains.II. The nichrome wire is dipped in concentrated HCl followed by heating to remove impurities and to avoidinterference.II, For salts containing potassium, it is best to use a blue filter to observe properly the color that it will emit in a flametest.IV. Each compound emits a distinct color upon subjecting to flame test due to the metallic ions that have differentline spectrum.Select one:A. II onlyB. II and IVC. I onlyD. I and II

A multiple choice question based on flame test, which is to be accomplished.

Which of the following statements is/are false about flame test? I. The color emitted by a compound in a flame test is due to all the ions it contains. II. The nichrome wire is dipped in concentrated HCl followed by heating to remove impurities and to avoid interference. III, For salts containing potassium, it is best to use a blue filter to observe properly the color that it will emit in a flame test. IV. Each compound emits a distinct color upon subjecting to flame test due to the metallic ions that have different line spectrum. Select one: A. III only B. II and IV C. I only O. D. I and III

Which of the following statements is/are false about flame test? I. The color emitted by a compound in a flame test is due to all the ions it contains. II. The nichrome wire is dipped in concentrated HCl followed by heating to remove impurities and to avoid interference. III, For salts containing potassium, it is best to use a blue filter to observe properly the color that it will emit in a flame test. IV. Each compound emits a distinct color upon subjecting to flame test due to the metallic ions that have different line spectrum. Select one: A. III only B. II and IV C. I only O. D. I and III

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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