Home
Class 12
CHEMISTRY
Study the following therochemical equati...

Study the following therochemical equations:
`{:(A,rarr,B,,,Delta H = + 100 Kcal,),(B,rarr,C,,,Delta H = -80 K cal,):}`
The correct order of enthapies of formation of A, B and C is

A

`A lt B lt C`

B

`A lt C lt B`

C

`C lt A lt B`

D

`B lt C lt A`

Text Solution

Verified by Experts

The correct Answer is:
B

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

If H_2(g) +I_2(g) rarr 2HI(g), Delta H=12.40 kcal . The enthalpy of formation of HI is

C+O_(2)rarr CO_(2), Delta H = -94 K.cal, CO+(1)/(2)O_(2) rarr CO_(2), Delta H = -67.7 K.cal . On the basis of the above data, the heat of formation of 'CO' is

According to the following reaction C(S)+1//2O_(2)(g)rarr CO(g), Delta H=-26.4 Kcal

Considering the following reactions, C+(1//2)O_2 rarr CO, Delta H =- 26.4 kcal H_2 + (1//2) O_2 rarr H_2O_((l)) , Delta H =-57.8 kcal Delta H for the reaction. H_2O+ C rarr H_2 + CO is

Given the following information (i) A+B to C+D , Delta H=-10.0 kcal (ii) C+D to E , Delta H=15.0 kcal Then, Delta H for A+B to E will be ______ .

Calculate the C-C bond enthalpy from the following data: (a) C(s) rarr C(g) , Delta H=170 kcal (b) (1)/(2)H_(2)(g)rarrH(g), Delta H= 52 kcal (c) Heat of combustion of ethane = -20 kcal (d) C-H bond enthalpy = 99 kcal .