If an air conditioner is put in the middle of a room and started working

If an air conditioner is put in the middle of a room and started working
  1. the room can be cooled slightly
  2. the temperature of the room will not change
  3. the room will become slightly warmer
  4. the same temperature will be attained in the room as by putting it on the window in the standard position

Solution

The working of an air coditioner is similar to the working of a refrigerator. An air conditioner removes heat from the room, does some work and rejects the heat to the surroundings. As air conditioner is put in the middle of the room then due to continuous, external work the room will become slightly warmer.

Asked in: JEE-TOPICTESTS-CHEMISTRY

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