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JEE Main levelSingle correct optionDifficulty 2 of 3bn187

Match the anion (Column I) with its name (Column II). Column I: P ; Q ; R ; S . Column II: 1 chlorate; 2 hypochlorite; 3 perchlorate; 4 chlorite.

  1. AP-2, Q-4, R-1, S-3
  2. BP-4, Q-2, R-1, S-3
  3. CP-2, Q-1, R-4, S-3
  4. DP-2, Q-4, R-3, S-1

Answer: A

Cl oxidation numbers are +1, +3, +5, +7. The names are hypochlorite (P-2), chlorite (Q-4), chlorate (R-1), perchlorate (S-3).
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