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Q.

In the HCl molecule, the separation between the nuclei of the two atoms is about 1.27A∘. The approximate location of the centre of mass of the molecule, from hydrogen atom is (assuming the chlorine atom to be about 35.5 times massive as hydrogen)

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a

1A∘

b

2.5A∘

c

1.5A∘

d

1.24A∘

answer is D.

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Detailed Solution

rcm=0+35.5×1.2735.5+10=35.5×1.2736.5= 1.24A∘

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