Chemistry-(general)
NEET Chemistry (general) MCQ Question
Type: MCQ-numerical-Hard-Class 12
Calculate the change in moles of sodium ions in the reaction: Na2Cr2O7 + 2 KCl → K2Cr2O7 + 2 NaCl.
A
Increase by 2 moles
B
Decrease by 2 moles
C
No change in moles
D
Increase by 1 mole
Correct Answer
Option C
Detailed Explanation
In the given reaction, 2 moles of Na+ from Na2Cr2O7 are replaced by 2 moles of Na+ in 2 NaCl, resulting in no net change in the number of moles of sodium ions.
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