Which of the following expressions is co...

Which of the following expressions is correct to calculate enthalpy of a reaction ?

A

`DeltaH_("reaction")=SigmaDelta_(f)H_("reactions")-SigmaDelta_(f)H_("products")`

B

`DeltaH_("reaction")=SigmaB.E._("products")-Sigma B.E._("reactants")`

C

`DeltaH_("reaction")=SigmaB.E._("reactants")-SigmaB.E._("products")`

D

`DeltaH_("reaction")=DeltaH_(1)xxDeltaH_(2)xxDeltaH_(3)...`

Text Solution

Verified by Experts

The correct Answer is:

C

Doubtnut Promotions Banner Desktop Dark

Doubtnut Promotions Banner Mobile Dark

|

Topper's Solved these Questions

THERMODYNAMICS
NCERT FINGERTIPS|Exercise Enthalpies For Different Type Of Reaction|22 Videos
THERMODYNAMICS
NCERT FINGERTIPS|Exercise Spontaneity|30 Videos
THERMODYNAMICS
NCERT FINGERTIPS|Exercise MCQs|2 Videos
THE S-BLOCK ELEMENTS
NCERT FINGERTIPS|Exercise Assertion And Reason|15 Videos

NCERT FINGERTIPS-THERMODYNAMICS-Enthalpy Change Of A Reaction

Which of the following expressions is correct to calculate enthalpy of...
03:29
|
If enthalpy of overall reaction XrarrY along one route is Delta(r)H an...
02:38
|
Which of the following does not represent enthalpy change during phase...
02:39
|
Given : S((s))+(3)/(2)O(2(g))rarrSO(3(g)+2X Kcal SO(2(s))+(1)/(2)O(2...
03:07
|
Calculate the enthalpy of formation of ammonia from the following bond...
02:13
|
The bond dissociation energy of gaseous H(2),Cl(2) and HCl are 104,58 ...
02:38
|
What is the enthalpy change for the given reaction, if enthalpies of f...
02:18
|
What will be the heat of reaction for the following reaction? Will the...
03:04
|
For the reaction : H(2(g))+Cl(2(g))rarr 2HCl, DeltaH=-"44 kcal" What...
02:41
|
For a reaction, CaCO(3(s)) rarr CaO((s))+CO(2(g)) Delta(f)H^(@)(Ca...
03:05
|
Formation of ammonia is shown by the reaction, N(2(g))+3H(2(g)) rarr...
02:23
|
Hess's law is application for the determination of heat of heat of
03:03
|
"The change of enthalpy of a chemical reaction is the same whether the...
01:59
|