Q.
Electric charge on 1gm ion of N3– is
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a
4.8 × 10–19 C
b
10 × 1.6 × 10–19 C
c
1.6 × 10–19 C
d
2.89 × 105 C
answer is D.
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Detailed Solution
1 gm ion = 1 mole ion of N-3Charge on 1 N-3 = 3 x 1.602 x 10-19 CCharge on one mole of N-3 ion =3 x 1.602 x 10-19 x 6.02 x 1023 =2.89 x 105 C
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