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Question

Which of the following statements are correct

I. Both LiCl and MgCl2 are soluble in ethanol

II. Both LiCl and MgCl2 are deliquescent

III. LiCl and MgCl2 form hydrates like LiCl.8H2O and MgCl2.2H2O

IV. NaHCO3 used as fire extinguisher


A
I, II, III correct
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B
I, II, IV correct
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C
Only III correct
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D
All are correct
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Solution

The correct option is B I, II, IV correct
Options I, II and IV are all very accurate. These are all characteristics of the corresponding compounds. As for option III - the compounds LiCl and MgCl2 both form hydrates. Only - LiCl forms LiCl.2H2O whereas MgCl2 forms MgCl2.8H2O

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