15. Which molecule(s) can form hydrogen bonds with woter? A) H,S B) CHr-OH D) Mo

Question

15. Which molecule(s) can form hydrogen bonds with woter? A) H,S B) CHr-OH D) More than one above. E) None of the above. 16. What is the empirical formula for the ionic crystal structure pictured to edge the right? For clarity each atom is labeled as b a body, f face, e and c = corner. A) AB B) AB C) A4B2 D) A2Ba E) AB a body centered cubic unit cell 17. In a body-centered cubic unit cell there are atoms per unit cell and each atom has a coordination number of A) 4, 12 8) 2, 8 c) 4,8 D) 4, 6 E) 2,6 18. 16 points] Platinum has an atomic radius of 0.139 nm. The density of platinum is 21.45 g/cm2. What is the crystal structure of platinum? A) simple cubic B) face centered cubic C) body centered cubic D) More than one cubic crystal structure is possible. E) Unable to determine using the information provided.

Explanation / Answer

15. Hydrogen bonding is defined as the attractive force between Hydrogen atom of one Compound with highly electronegative atom( F,O,N) of other Compound.

So CH3OH and HCHO can form hydrogen bonding with water.

Hence answer is D

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