Home
Class 11
CHEMISTRY
Given that Zn+1/2 O(2) rarr ZnO+35.25 kJ...

Given that `Zn+1/2 O_(2) rarr ZnO+35.25 kJ`. `HgO rarr Hg +1/2 O_(2) -9.11 kJ`. The heat of the reaction `Zn+HgO rarr ZnO +Hg` is

A

`-26.14KJ`

B

`44.39KJ`

C

`-44.39KJ`

D

`26.14KJ`

Text Solution

Verified by Experts

The correct Answer is:
A
`DeltaH=H_(p)-H_(R)`
Promotional Banner

Similar Questions

Explore conceptually related problems

For the reaction 2HgO(s) rarr 2Hg(l) + O_(2)(g)

Givecn that : Zn+1//2O_(2)rarr ZnO+84000 cal ……………1 Hg+1//2O_(2)rarr HgO+21700 cal …………2 The heat of reaction (Delta H) for, Zn+HgO rarr ZnO+Hg is :-

A+3/2 O_(2) rarr AO_(3) = 3x KJ AO_(2)+1/2 O_(2) rarr AO_(3) = 2y kJ The heat of formation of AO_(2) is

R-N-=C + 2HgO rarr X + Hg_(2)O Identify X in the above reaction

The given reaction 2HgO(s)rarr 2Hg+O_2 is an example of

The heat of reaction of A+(1)/(2)O_(2)rarr AO is -50 K call and AO+(1)/(2)O_(2)rarr AO_(2) is 100 Kcal. The heat of reaction for A+O_(2)rarr AO_(2) is :-

N_(2(g))+2O_(2(g)) rarr 2NO_(2) +X kJ 2NO_((g))+O_(2(g)) rarr 2NO_(2(g))+Y kJ The enthalpy of formation of NO is

From the thermochemical reactions, C(graphite) +1//2O_(2)rarr CO , Delta H = -110.5 KJ CO+1//2O_(2)rarr CO_(2),Delta H=-283.2 KJ the heat of reaction of C(graphite) +O_(2)rarr CO_(2) is :

For the reaction, 2HgO_((s)) rarr 2Hg_((l))+O_(2(g))