Question

Which of the following is not a linear
species?
(A)NO+2
(B) C2H-
(C) Ag(CN)2-
(D)BH-2
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Answer 1

The following is not a linear  species:

(D) BH₂⁻

- All the other given options have a linear structure.

- Only BH₂⁻ is the compound in the given options which is not linear in shape.

- It is actually bent in shape.

- This is due to the repulsion caused by the lone pair on boron that the structure is bent and not linear.

- Hence, the correct answer is option (D) BH₂⁻.

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Answer 2

Option D (BH₂⁻) is the right answer. The further explanation is given below.

Explanation:

• Throughout the available alternatives, only BH₂⁻ seems to be a compound that might not be straightforward in form. It's bent throughout the texture.
• This seems to be attributable to something like the ambivalence induced either by lone boron couple that perhaps the framework can bend and therefore not linear.

The other given choices are not related to the given circumstance. So that Option D seems to be the appropriate option.

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