If the concentration is expressed in moles per litre, the unit of the rate constant for a first order reaction is [MNR 1986; MP PET 1994, 2000, 01;Bihar MEE 1996; CPMT 1997; MP PMT 1995, 96, 99;AFMC 2002]

mole\[^{-1}\] litre\[^{-1}\] sec\[^{-1}\]

mole litre \[^{-1}\,{{\sec }^{-1}}\]

If the concentration is expressed in moles per litre, the unit of the

1.	If the concentration is expressed in moles per litre, the unit of the rate constant for a first order reaction is [MNR 1986; MP PET 1994, 2000, 01;Bihar MEE 1996; CPMT 1997; MP PMT 1995, 96, 99;AFMC 2002]
A.	mole litre \[^{-1}\,{{\sec }^{-1}}\]
B.	mole litre\[^{-1}\]
C.	\[{{\sec }^{-1}}\]
D.	mole\[^{-1}\] litre\[^{-1}\] sec\[^{-1}\]
Answer» D. mole\[^{-1}\] litre\[^{-1}\] sec\[^{-1}\]

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If the concentration is expressed in moles per litre, the unit of the rate constant for a first order reaction is [MNR 1986; MP PET 1994, 2000, 01;Bihar MEE 1996; CPMT 1997; MP PMT 1995, 96, 99;AFMC 2002]

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