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Chemistry-(general)

NEET Chemistry (general) MCQ Question

Type: MCQ-numerical-Easy-Class 12

In the preparation of potassium dichromate from sodium dichromate, how many moles of KCl are required to completely react with 1 mole of Na2Cr2O7 to form K2Cr2O7?

A

2 moles

B

1 mole

C

3 moles

D

0.5 moles

Correct Answer

Option A

Detailed Explanation

The balanced chemical equation given in the NCERT context is Na2Cr2O7 + 2 KCl → K2Cr2O7 + 2 NaCl, indicating 2 moles of KCl are needed per mole of Na2Cr2O7.

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