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The volumes of two vessels at same tempe...

The volumes of two vessels at same temperature are in the ratio of `2 : 3`. One vessel contains `H_(2)` and other `N_(2)` at 600 mm and 900 mm respectively. The final pressure when they are connected together is : (Assume that `N_(2) and H_(2)` react to form `NH_(3)`)

A

620mm

B

760mm

C

780 mm

D

800mm

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The correct Answer is:
A
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