Question 13 (Mandatory) (1 point) What is the balanced chemical equation for the single displacement reaction of solid
sodium in an aqueous solution of calcium nitrate?
6
a) 2Nais) + Ca(NO3)2(04)
> 2NaNO3(aq) + Ca(s)
b) Nais) + CaNO3
3104)
9
->NaNO3108)
+ Ca(s)
c) 2Na (9) + Ca(NO2)2ag)
2NaNO2/08) + Cais)
12
d) 6Na(9) + Ca 3.2(aq)
>2Na zNeg) + 3 Cams)
15
e) The reaction does not occur.
8

the correct name for the n3 ion is azide. azide is a polyatomic anion with a -1 charge and is written as n3 -1. it consists of three nitrogen atoms bonded together. hope i . let me know if you need anything else.

answer; i believe that the correct answer is (a) potassium(k)

2b2t

explanation:

2b2t

c is having 4 valence electrons and is bonded to three hydrogens and one sulphur atom, therefore, the number of bond pair is equal to four. as all the valence electrons are used in forming the bonds so, there is no lone pair left on carbon.

s is having 6 valence electrons and is bonded to one other sulfur atom and one carbon atom, therefore, the number of bond pair is equal to 2. as only two valence electrons are used in forming the bonds so, four electrons are left. therefore, two lone pairs are present on s.