Q.

Electric charge on 1gm ion of N3– is

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a

4.8×10-19C

b

10×1.6×10-19C

c

1.6×10-19C

d

2.89×105C

answer is D.

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Detailed Solution

Charge on a single N3- ion = 3×1.6×10-19 coluomb  Thus, charge on one g-ion of N3- =3×1.6×10-19×6.02×1023=2.89×105coulomb 

Therefore, the correct option is D

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