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In what ways lithium shows similarities to magnesium in its chemical behaviour?

In what ways lithium shows similarities to magnesium in its chemical behaviour?

Grade:Upto college level

3 Answers

Sunil Kumar FP
askIITians Faculty 183 Points
9 years ago
Similarities between lithium and magnesium are as follows.

( i) Both Li and Mg react slowly with cold water.

(ii) The oxides of both Li and Mg are much less soluble in water and their hydroxides decompose at high temperature.
(iii) Both Li and Mg react with N 2 to form nitrides.
iv) Neither Li nor Mg form peroxides or superoxides.(v) The carbonates of both are covalent in nature. Also, these decompose on heating.
(vi) Li and Mg do not form solid bicarbonates.

(vii) Both LiCl and MgCl 2 are soluble in ethanol owing to their covalent nature.(viii) Both LiCl and MgCl 2 are deliquescent in nature. They crystallize from aqueous solutions as hydrates
Gourav
19 Points
6 years ago
(1). Both have almost similar electronegative (Li=0.98,Mg=1.2)(2). Both Li and Mg are quite hard. They are harder and lighter than other element in their respective groups. (3). Both LiOH and Mg(OH)2are weak bases. (4). Both form ionic nitrides when heated in a atmosphere of nitrogen. (5). The hydroxides of both Li and Mg decompose upon heating. (6). Because of covalent character, LiCL and MgCL2 are soluble in ethanol. (7). Both Li and Mg do not form solid bicarbonate.
ankit singh
askIITians Faculty 614 Points
3 years ago
Answer: Similarities between lithium and magnesium are as follows. ( i) Both Li and Mg react slowly with cold water. (ii) The oxides of both Li and Mg are much less soluble in water and their hydroxides decompose at high temperature.

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