JEE · NEET Previous Year Question

Given below are two statements:
Statement-I: The gas liberated on warming a salt with dil , 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:

Topic: JEE PYQ

Answer: C. Full step-by-step solution below.

  1. ABoth Statement-I and Statement-II are false
  2. BStatement-I is false but Statement-II is true
  3. CStatement-I is true but Statement-II is false
  4. DBoth Statement-I and Statement-II are true.

Correct answer: C

Solution

(c)

Black lead Sulphide

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