Home
Class 12
CHEMISTRY
The amount of heat liberated in the reac...

The amount of heat liberated in the reaction `2PCl_5 to 2P + 5Cl_2 "is" -340` kJ. The heat of formation of `PCl_5`is ___________ .

A

340 kJ

B

`-340`kJ

C

`-170`kJ

D

170 kJ

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

Heat of formation of SO_2 "is" -298 kJ . What is the heat of formation of 4 g of SO_2 ?

In the reactions, S+ 3/2 O_2 to SO_3 + 2x kJ and SO_2 + 1/2 O_2 to SO_3 + y kJ Heat of formation of SO_2 is _________.

What is the action of PCl_3 , PCl_5 and SOCl_2 on Ethanol?

2.1g of Fe combines with S evolving 3.77kJ . The heat of formation of FeS in kJ//mol is

Sulphuric acid reacts with PCl_5 to give

In the combustion of 2.0 g of methane 25 kcal heat is liberated, heat of combustion of methane would be ___________ .

Hybridized state of 'P' in PCl_5 is

Solve the following examples / numeriacl problems: Calculate the amount of heat required to convert 5g of ice of 0⁰ C into water at 0⁰ C . (Specific latent heat of fusion of ice = 80 cal/g)

The values of heat of formation of SO_2 and SO_3 and -298.2 kJ and -98.2 kJ. The heat of reaction of the following reaction will be: SO_2 + 1/2 O_2 to SO_3 ,___________.

Answer in one word Which is more covalent PbCl_4 or PCl_2