Which of the following is a false statem...

Which of the following is a false statement regarding the general characteristics of nitrogen family?

A. Outer electronic configuration is `ns^2 np^3`

B. Nitrogen exist as diatomic species `N_2`, while others exist as polyatomic

C. All elements except nitrogen gas exhibit allotropy

D. `R_(3)N =O` exists but `R_(3)P = O` doesn't

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Which of the following statements regarding is not correct?

The central I atom has five lone pairs of electrons

The lone pairs occupy equatorial positions

The bond angle I-I-I is `180^@`

There two I atoms around central I atom occupy equatorial positions

if f(x) is continous at x =a then f(x) is also continous at x=a

if f(x) is continous at x=a then `f^(-1)` (x) is alos continous at x=a

If f(x) is continous at x=a then f(x) is also continous at x=a

none of these

`H_(2)` molecule has `1 sigma` bond

HCl molecule has `1 sigma` bond

Water molecule has `2 sigma` bonds and two lone pairs

Acetylene molecule has `3pi` bonds and `3 sigma` bonds