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NEET Chemistry MCQ
Quiz 7
1
Q.1
The number of atoms of iodine atoms present in 1cm3 of its 0.1M solution is ... [ PB.CET 1990]
0%
a) 3.02 ×1023
0%
b) 6.02×22
0%
c) 6.02×1019
0%
d) 1.204×1020
Explanation
0.1M solution or 0.1 mole in one litre Thus in 1cc or 1ml will have 0.1×103 or 10-4 moles of Iodine (I2)∴ number of atoms=2× 10⁻⁴ ×6.02×23Answer: (d)
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