The electronic configuration of element Z is $1s^2\ 2s^2\ 2p^6\ 3s^2\ 3p^1$. What is the formula of the compound formed between Z and tetraoxosulphate (VI...

Assessment: JAMB UTME - Chemistry - 2019 Subject: Chemistry

Question 1 Report

The electronic configuration of element Z is $1s^2\ 2s^2\ 2p^6\ 3s^2\ 3p^1$. What is the formula of the compound formed between Z and tetraoxosulphate (VI) ion.

Z

_{3}

(SO

_{4}

)

_{2}

ZSO

_{4}

Z

_{2}

SO

_{4}

Z

_{2}

(SO

_{4}

)

_{3}

Answer Details

Z = 1s $^{2}$ 2s $^{2}$ 2p $^{6}$ 3s $^{2}$ 3p $^{1}$
$∴$ We have Z $^{3 +}$ and SO $_{4}^{2 -}$
The reaction : Z $^{3 +}$ + SO $_{4}^{2 -}$ $\to$ Z $_{2}$ (SO $_{4}$ ) $_{3}$ .