Home
Class 11
CHEMISTRY
Assertion (A): Enthalpy of formation of ...

Assertion (A): Enthalpy of formation of `H_(2)O(I)` is greater than that of `H_(2)O(g)`.
Reason (R ): Enthalpy change is negative for condensation reaction, `H_(2)O(g) H_(2)O(I)`

A

A and R both are correct, and R is correct explanation of A

B

A and R both are correct,but R is not the correct explanation of A

C

A is true but R is false

D

A and R both are false.

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • CHEMICAL THERMODYNAMICS

    CBSE COMPLEMENTARY MATERIAL|Exercise One Word Answer Type Questions|10 Videos

  • CHEMICAL THERMODYNAMICS

    CBSE COMPLEMENTARY MATERIAL|Exercise 1-Mark Questions|24 Videos

  • CHEMICAL THERMODYNAMICS

    CBSE COMPLEMENTARY MATERIAL|Exercise Match the columns|2 Videos

  • CHEMICAL BONDING AND MOLECULAR STRUCTURE

    CBSE COMPLEMENTARY MATERIAL|Exercise UNIT TEST|13 Videos

  • CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

    CBSE COMPLEMENTARY MATERIAL|Exercise 5 - MARKS QUESTIONS|6 Videos

Similar Questions

Explore conceptually related problems

Assertion (A): The enthalpy of formation of H_(2)O(l) is greater than that of H_(2)O(g) . Reason (R ) : Enthalpy change is negative for the condensation reaction H_(2)O(g) rarr H_(2)O(l) .

Statement-1: The enthalpy of formation of H_(2)O(l)is greater than of H_(2)O(g) in magnitude. Statement -2: Enthalpy chnge Is negative for the condensation reaction H_(2)O(g)toH_(2)O(l)

Assertion (A) The O-O bond length in H_(2)O_(2) is shorter than that in O_(2) . Reason (R ) H_(2)O_(2) is ionic compound.

Write the equations represents enthalpy of formation of H_(2)O ?

Heat of formation of H_(2)O is -188kJ/mol and H_(2)O_(2) is -286 kJ/mol. The enthalpy change for the reaction, 2H_(2)O_(2) to 2H_(2)O+O_(2)

The heat of formation of H_(2)O_((l)) is -286.2 kJ. The heat of formation of H_(2)O_((g)) is likely to be