JEE CHEMISTRY MCQ: P-BLOCK ELEMENTS

1 Medium

1 of 1

Understanding +4 | -1

Phosphorous forms two chlorides which have different compositions. The oxidation number of which element remains constant?

View answer and explanation

Correct option: D

Chlorine

Option D (Chlorine) is correct because chlorine always has an oxidation number of -1 in both

PCl_3

and

PCl_5

More Questions from P-BLOCK ELEMENTS

Practice All Chapter MCQs →

17^{\text {th }}

{O}_2

{O}_2

\mathrm{C}{\mathrm{N}^ - }

{\mathrm{N}_2}

\mathrm{C}{\mathrm{N}^ - },\mathrm{\;}{\mathrm{N}_2}

2 {Fe}^{3+}+{SO}_2+2 {H}_2 {O} \rightarrow 2 {Fe}^{2+}+{SO}_4^{2-}+4 {H}^{+}

{H}_2 {~S}_2 {O}_8

{S}={O}

{S}-{OH}

{O}-

{O}

{NH}_3

{H}_2 {SO}_4

{H}_2 {SO}_4