Verified Solution • 2025–26 Session moderate

QJEEM24Chb37c: JEE Main 2024 Chemistry - Class 12 JEEM24Chb37c Solution: Given below are two statements : Statement (I) : The gas…

Given below are two statements :

Statement (I) : The gas liberated on warming a salt with dil H2SO4, turns a piece of paper dipped in lead acetate into black, it is a confirmatory test for sulphide ion.

Statement (II) : In statement-I the colour of paper turns black because of formation of lead sulphite. In the light of the above statements, choose the most appropriate answer from the options given below :

Multiple Choice Options

  • A Both Statement I and Statement II are false
  • B Statement I is true but Statement II is false
  • C Both Statement I and Statement II are true
  • D Statement I is false but Statement II is true

Step-by-Step Verified Solution

Na2S+H2SO4→Na2SO4+H2S

(CH3COO)2Pb+H2S→PbSBlackleadsulphide+2CH3COOH

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