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NTA Abhyas JEE Main2020Chemistryd and f Block ElementsPractice

Which of the following solid salt on heating with solid K 2 C r 2 O 7 and concentration H 2 S O 4 orange red vapours are evolved which turn aqueous NaOH solution yellow?

Options

  1. ANaBr
  2. BNaCl
  3. CN a N O 3
  4. DNaI

Correct answer

B. NaCl

Step-by-step solution

NaCl gives following reactions as follows

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