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Those elements impart colour to the flam...

Those elements impart colour to the flame on heating in it, the atoms of which require low energy for the ionisation (i.e., absorb energy in the visible region of spectrum). The elements of which of the following groups will impart colour to the flame?

A

2

B

13

C

1

D

17

Text Solution

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The correct Answer is:
A, C
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GRB PUBLICATION-PERIODIC TABLE-Multiple Objective Type
  1. Which option is/are correct?

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  2. The elements Z = 116 and 119 have been discovered. In which family/gro...

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  3. Those elements impart colour to the flame on heating in it, the atoms ...

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  4. Which of the following sequences contain atomic numbers of only repres...

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  5. Which of the following elements will gain one electron more readily in...

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  6. Which of the following statements are correct?

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  7. Which of the following sets contain only isoelectronic ions?

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  8. In which of the following options order of arrangement does not agree ...

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  9. Which of the following have no unit?

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  10. Ionic radii vary in

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  11. An element belongs to 3rd period and group-13 of the periodic table. W...

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  12. Which of the following statements are correct?

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  13. Which of the following statements (s)is/are true?

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  14. Which of the following statement(s) is/are true for IA elements?

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  15. The process(es) requiring the absorption of energy is/are:

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  16. Predict block of element whose outer electron set of quantum number n,...

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  17. Which of the following are neutral oxide?

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  18. Which of the following statement(s) is/are correct?

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  19. In which of the following pairs, the first atom is larger than the sec...

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  20. Among the given elements, select those, which are not at the peack of ...

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