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Photoelectric effect is the maximum in...

Photoelectric effect is the maximum in

A

Cs

B

Na

C

K

D

Li

Text Solution

Verified by Experts

The correct Answer is:
A
Group I element are so highly electropositive that they emit electrons even when exposed to light (photoelectric effect ) and this character increases on moving down the group from lithium towards caesium.
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ERRORLESS -S AND P BLOCK ELEMENTS-Ordinary thinking (Alkali metals)
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  2. Which of the following metal has stable carbonates ?

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  3. Photoelectric effect is the maximum in

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  4. The product obtained on fusion of BaSO(4) and Na(2)CO(3) is

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  5. The most stable compound is

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  6. In the Castner's process for the extration of sodium, the anode is mad...

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  7. Sodium peroxide which is a yellow solid, when exposed to air becomes w...

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  8. The metal that produces red violet colour in the non - luminous flame ...

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  9. Which one of the following on hydrolysis, gives the corresponding meta...

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  10. In the graph below, the one which present an alkali metal with the hig...

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  11. The alkali metal halide that is soluble in pyridine is

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  12. For alkali metals, which one of the following trends is incorrect ?

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  13. Choose the incorrect statement in the following

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  14. Which of the following alkali metals has the biggest tendency of the h...

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  17. Which of the following does not participate in the solvay's process f...

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  18. Sodium metal is extracted by

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  19. Which physical property in the alkali metal group increases with atomi...

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