menu search
brightness_auto
Feel free to answer or ask any questions.
If you are new here please see how to use or FAQ.
more_vert
Two elements A and B have similar chemical properties. They don't form solid hydrogencarbonates, but react with nitrogen to form nitrides. A and B, respectively, are :

(1) Li and Mg

(2) Na and Ca

(3) Na and Rb

(4) Cs and Ba
thumb_up_off_alt 3 like thumb_down_off_alt 0 dislike

1 Answer

more_vert
 
done_all
Best answer

Ans. (1) Li and Mg

Sol. Li and Mg do not form solid bicarbonate. But react with N2 to give nitrides.

$\require{mhchem}\ce{6Li +N2->[\ \Delta\ ]2Li3N}$

$\ce{3Mg +N2->[\ \Delta\ ]Mg3N2}.$

thumb_up_off_alt 2 like thumb_down_off_alt 0 dislike
...