1.

The condition for a reaction to occur spontaneously is

Answer»

`DELTA H`must be negative
`Delta S`must be negative
`(Delta H - T Delta S)`must be negative
`(Delta H + T Delta S)`must be negative.

Solution : For the spontaneity of a reaction, `Delta G` must be -ve. Now,`Delta G = Delta H - T Delta S `
` therefore `For a SPONTANEOUS reaction, `(Delta H - T Delta S)`should be negative.


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