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Consider the reaction between PbS and HNO3 :  PbS + HNO3 →

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+1 vote
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in Chemistry by (38.5k points)

Consider the reaction between PbS and HNO3 : 

PbS + HNO3 →

Which of the following is not formed? 

(1) NO 

(2) NO2 

(3) S 

(4) Pb(NO3)2

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1 Answer

+1 vote
by (51.0k points)

Correct option is (2) NO2 

\(3PbS + 8HNO_3 \rightarrow 3Pb^{2+} + 6NO^- _ 3 + 3S \downarrow + 2NO + 4H_2 O\)

Hence, NO2 is not formed.

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