Question
Which of the following order is incorrect ?
✓
Answer
b
$Cl _{2} O _{7} \quad$ Acidic
$Cl _{2} O _{7} \quad$ Acidic
$Na _{2} O \quad$ Basic
$Al _{2} O _{3} \quad$ Amphoteric
$N _{2} O \quad$ Neutral
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