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Which of the following is the smallest c...

Which of the following is the smallest cation?

A

`Na^(+)`

B

`Mg^(+2)`

C

`Ca^(+2)`

D

`Al^(+3)`

Text Solution

Verified by Experts

The correct Answer is:
D
`Ca^(+2) gt Na^(+) gt Mg^(+2) gt Al^(+3)`
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ERRORLESS -S AND P BLOCK ELEMENTS-Ordinary thinking (Alkali metals)
  1. As compared to potassium ,sodium has .

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  2. Na(2)CO(3) can be manufactured by Solva's process but K(2)CO(3) cannot...

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  3. Which of the following is the smallest cation?

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  4. In the manufacture of metallic sodium by the fused salt electrolysis (...

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  5. The reactivity of the alkali metal sodium with water, is made use of

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  6. With the increase in atomic weights,melting points of the alkali metal...

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  7. Alkali metals are

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  8. Certain characteristics lithium differ from those of other alkali meta...

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  9. Characterstic feature of alkali metals is

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  10. The correct formula of hypo is

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  11. Which of the following gases turns the acdified potassium dischromate ...

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  12. Which of the following does not illustrate the anomalous properties of...

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  13. Which of the following has density greater than water?

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  14. The valence shell electronic configuration of alkali metals is

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  15. The strongest reducing agent is

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  16. One of the following salts will give an alkaline solution on dissolvin...

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  17. The most electropositive element in alkali metals is .

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  18. Composition of borax (Tincal) is

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  19. Which of the following is formed when CO(2) gas is passed through an a...

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  20. Sodium hydride (NaH) when dissolved in water, produces

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