If NaCl is mixed in water. What is the van’t Hoff factor.
A
1
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B
2
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C
3
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Solution
The correct option is B 2 As we know Van’t Hoff factor =No.of.ParticlesfinallyinthesolutionNo.ofparticlesintiallytaken In solution NaCl→Na++Cl− If 1 mole is taken 2 moles of ions are produced (1Na+,1Cl−) van't Hoff factor = 2moles1mole=2