Match List – I with List – II:
| List - I (Elements) | List - II (Properties) |
|---|---|
| (a) Li | (i) Poor water solubility of I? salt |
| (b) Na | (ii) Most abundant element in cell fluid |
| (c) K | (iii) Bicarbonate salt used in fire extinguisher |
| (d) Cs | (iv) Carbonate salt decomposes easily on heating |
Choose the correct answer from the options given below:

Option 1 - (a)–(iv), (b)–(ii), (c)–(iii), (d)–(i)

Option 2 - (a)–(i), (b)–(ii), (c)–(iii), (d)–(iv)

Option 3 - (a)–(i), (b)–(iii), (c)–(ii), (d)–(iv)

Option 4 - (a)–(iv), (b)–(iii), (c)–(ii), (d)–(i)

3 Views|Posted 6 months ago

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Alok Kumar Singh | Contributor-Level 10

6 months ago

Correct Option - 3

Detailed Solution:

Li? CO? decomposes easily on heating as;
Li? CO? - (Δ)-> Li? O + CO? ↑
NaHCO? is used in dry fire extinguishers.
K is most abundant element in cell fluid.
CsI is least soluble due to smaller hydration energy of Cs? & I?

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