MHT CET · Chemistry · Hydrogen

How many hydrogen atoms are surrounding each oxygen atom in structure of ice?

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Answer & Solution

Correct Answer

(B) 4

Step-by-step Solution

Detailed explanation

4
In the structure of ice, four hydrogen atoms surround each oxygen atom. It has a crystalline structure that is based on the water molecule, which is made up of a single oxygen atom covalently bound to two hydrogen atoms \((\mathrm{H}-\mathrm{O}-\mathrm{H})\).

Apply the relevant identity from the chapter and substitute the values established in the previous step, keeping the original constraint in view.

Use the simplified expression to isolate the unknown, then plug the result back into the question setup to confirm the working is internally consistent.

Cross-check against a boundary or limiting case. Both the dimensional balance and the qualitative behaviour at the extreme should agree with the candidate answer.

Combine the steps above to identify the correct option. The remaining choices each fail at least one of the consistency, dimensional, or boundary checks.

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Match the valves of human heart in column I with the respective opening they guard in column II and select the correct option.

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i	Eustachian valve	a.	Opening of pulmonary aorta
Ii	The besian valve	b.	Left atrioventricular aperture
Iii	Mitral valve	c.	opening of inferior vena cava
Iv	Semilunar valve	d.	opening of coronary sinus

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