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Column-I

Column- II

(A)

The amount of energy which must be invested in reaction to get it started

(p)

Chemical equilibrium

(B)

A state in which the rate of forward reaction is exactly equal to the rate of the reverse reaction

(q)

Activation energy

(C)

A process or reaction which consumes heat

(r)

Endothermic

(D)

A process or reaction that releases heat

(s)

Exothermic

 

 

(t)

Threshold energy

CODES :

 

A

B

C

D

 

 

a)

q

p

r

s

 

 

b)

r

q

s

p

 

 

c)

s

p

q

r

 

 

d)

p

r

s

q

 

 


Question ID - 103864 | Toppr Answer

Column-I

Column- II

(A)

The amount of energy which must be invested in reaction to get it started

(p)

Chemical equilibrium

(B)

A state in which the rate of forward reaction is exactly equal to the rate of the reverse reaction

(q)

Activation energy

(C)

A process or reaction which consumes heat

(r)

Endothermic

(D)

A process or reaction that releases heat

(s)

Exothermic

 

 

(t)

Threshold energy

CODES :

 

A

B

C

D

 

 

a)

q

p

r

s

 

 

b)

r

q

s

p

 

 

c)

s

p

q

r

 

 

d)

p

r

s

q

 

 

1 Answer - 5876 Votes

3537

Answer Key : (a) -

(a)

(a q) To initial reaction, activation energy must be invested

(b p)

(c r) In endothermic reaction  or ) heat absorbed by system

(d s) In exothermic reaction  or ) heat releases out from system to surroundings



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