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Q.

Alkali metal ‘X’ and alkaline earth metal Y exhibit diagonal relationship. Which one of the following statements is incorrect.

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a

Solid bicarbonates of ‘X’ and Y, do not exist  

b

Nitrates of both X and Y decompose, on heating to give oxides  X2O and  YO, along with paramagnetic gases

c

Hydroxide of both ‘X’ and ‘Y’, are very slightly  soluble in  H2O, and also decompose on heating

d

Chlorides of both X and Y are hydrated and extent of hydration (degree of hydration) is same

answer is C.

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Detailed Solution

LiCl.2H2O, MgCl2.6H2O

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