Home
Class 11
CHEMISTRY
In an exothermic reaction heat is evolve...

In an exothermic reaction heat is evolved and system loses heat to the surrounding. For such system

A

`q_(p)` will be negative

B

`Delta_(r)H` will be negative

C

`_(p)`will be positive

D

`Delta_(r)H` will be positive

Text Solution

Verified by Experts

The correct Answer is:
a,b
`q_(p)` and `Delta_(r)H` are `-ve` for exothermic reaction.
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS

    PRADEEP|Exercise NCERT EXEMPLAR PROBLEMS WITH ANSWERS, HINTS AND SOLUTIONS( SHORT ANSWER QUESTIONS)|31 Videos

  • THERMODYNAMICS

    PRADEEP|Exercise MATCHING TYPE QUESTIONS|8 Videos

  • THERMODYNAMICS

    PRADEEP|Exercise NCERT EXEMPLAR PROBLEMS WITH ANSWERS, HINTS AND SOLUTIONS( MULTIPLE CHOICE QUESTIONS-I)|14 Videos

  • STRUCTURE OF ATOM

    PRADEEP|Exercise Competition Focus (JEE (Main and Advanced)/Medical Entrance (IX. Assertion And Reason Type Questions (Type II))|12 Videos

Similar Questions

Explore conceptually related problems

In isothermal process if heat is evolved from the system then

When no heat is absorbed by the system them from the surroundings, but work (w) is done on the system, the change in internal energy of the system is given as

When does a system lose energy to its surrounding and its internal energy decreases?

A process in which the system does not exchange heat with the surroundings is known as

When heat is released during the reaction, it is denoted as _______ and when work is done on system by the surroundings, it is denoted as _______ .

Express the change in internal energy of a system when (i) No heat is absorbed by the system from the surroundings, but work (w) is done on the system. What type of wall does the system have ? ii) No work is done on the system, but q amount of heat is taken out from the system and given to the surroundings. What type of wall does the system have? (iii) w amount of work is done by the system and q amount of heat is supplied to the system. What type of system would it be?