1.

Which of the following relation is correct for critical constants

Answer»

`P_(c ) = ( a )/( 27B^(2))`
`V_(c ) = ( 1)/( 3) b `
`T_(c ) = ( 8a)/( 27Rb^(2))`
`p_( c ) = ( 27a)/( Rb^(2))`

Answer :A


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