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Identify the correct statement about alk...

Identify the correct statement about alkali metals

A

The alkali metals used as electrodes in photo electric cells impart crimson red or yellow colour to the flame

B

sodium D-line arises from the electronic transition `3s^(1) rarr 3d^(1)` in sodium atoms formed in the flame

C

Rb on flame test shows absorption of radiation from shorter wavelength region than any other alkali metal

D

Alkali metals can be determined by flame photometry or atomic absorption spectroscopy

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BRILLIANT PUBLICATION-S-BLOCK ELEMENTS-LEVEL - II
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  2. Reducing character of alkali metals of the order

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  3. Identify the correct statement about alkali metals

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  4. Which of the following alkali metal cation has large size in aqueous s...

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  5. Which of the following is not coloured when pure?

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  6. Which of the following is not obtained in the solid form? (1)L i...

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  7. Which of the following alkali metal does not form alums?

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  8. Which of the following is thermally unsable hydroxyde? (1) LiOH (2) Na...

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  9. Which of the following hydrides of alkali metal is more ionic?

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  10. Identify the wrong statement about solubility of alkali metals in liqu...

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  11. B is

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  12. A compound of potassium A on hydrolysis generates B, C and oxygen gas....

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  13. Cathode : Na^(+)+1e^(-) overset(Hg)(rarr)Na- amalgam Anode " : "Cl...

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  14. The number of correct matchmaking pair from the following is Glauber...

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  15. Which of the following liquid alkali metal is used as a coolant in fas...

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  16. Assertion : LiF is more soluble than LiI in water Reason : LiF is le...

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  17. Assertion : On the addition of conc. HNO(3) to the aqueous solution of...

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  18. Assertion : An aqueous solution of Na(2)CO(3) is alkaline Reason : N...

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  19. Consider the following statements and arrange in the order of true or ...

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  20. The solubility in water of sulphates down the group 2 is Be gt Mg gt...

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