1.

Which of the following molecules have dipole moment ?(i) BeF_(2) ""(ii)BF_(3) ""(iii) NF_(3) ""(iv) H_(2)S

Answer»

1. (i) and (iii)
2. (iii) and (iv)
3. (II) and (iii)
4. only (iii)

ANSWER :B


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