The shapes of water, ammonia, carbon (iv) oxide and methane are respectively

Chemistry

JAMB 2019

A. linear, tetrahedral, angular and pyramidal
B. angular, pyramidal, linear and tetrahedral
C. pyramidal, linear, tetrahedral and angular
D. tetrahedral, angular, pyramidal and linear

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Correct Answer: Option B

Explanation

Ammonia \((NH_3\)) has a trigonal pyramidal structure with a bond angle of approximately 107 degrees. Methane (\(CH_4\)) has a tetrahedral structure with a bond angle of 109.5 degrees. Carbon dioxide is a linear molecule, with a 180-degree bond angle. Water \((H_2O\)) has a bent or V-shaped structure with a bond angle of approximately 104.5 degrees.

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