Which of the Following Substance Is/are Planar

question 146

Multiple Choice

Which of the following substance is/are planar
(i) SO₃ (ii) SO₃^2- (iii) NO₃^- (iv) PF₃ (v) BF₃

• A) (i) and (ii)
• B) (i), (iii), and (v)
• C) (iv)
• D) (i), (ii), (iii), and (v)
• E) (i), (iii), (iv), and (v)

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Definitions:

Anterior Chest Wall

The front part of the chest that includes skin, muscles, bones, and other tissues protecting the heart and lungs.

Atelectatic Crackles

Fine crackling sounds heard through a stethoscope, often indicating incomplete expansion or collapse of lung tissue (atelectasis).

Fine Crackles

A series of short, discontinuous sounds heard during lung auscultation, often indicative of fluid in the airways.

Pneumonia

An inflammatory condition of the lung tissue primarily caused by infection with bacteria, viruses, or other organisms, leading to difficulty breathing and cough.