Home
Class 12
CHEMISTRY
Statement-1: Most of the combustion reac...

Statement-1: Most of the combustion reacton are exothermic.
Because Statement-2: Products are more stable than reactants in exothermic process.

A

Statement-1 is true, statement-2 is true, statement-2 is a correct explanation for statement-1

B

Statement-1 is true, statement-2 is true, statement-2 is not a correct explnation for statement-1

C

Statement-1 is true, statement-2 is false.

D

Statement-1 is false, statement-2 is true.

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • Chemical Thermodynamics and Thermochemistry

    OP TANDON|Exercise Self Assessment (Matrix Type)|3 Videos

  • Chemical Thermodynamics and Thermochemistry

    OP TANDON|Exercise Self Assessment (Integer type).|3 Videos

  • Chemical Thermodynamics and Thermochemistry

    OP TANDON|Exercise Self Assessment (Multiple Choice)|8 Videos

  • CHEMICAL KINETICS

    OP TANDON|Exercise LINKED COMPRESHENSION TYPE QUESTIONS ( SECTION-VI)|4 Videos

  • CLASSIFICATION AND NOMENCLATURE OF ORGANIC COMPOUNDS

    OP TANDON|Exercise INTEGER|2 Videos

Similar Questions

Explore conceptually related problems

Statement-1: All combustion reactions are exothermic. Statement-2: Enthalpies of products greater than enthalpies of reactants (Sv_(p)D_(f)H(P) gt Sv_(R)D_(f)(R))

Statement-I : Propene is more reactive than ethnc with HCl . Because Staement-II : Propene is more stable than ethene.

Statement-1 : Most of the reactions of fluorine are exothermic. Statement-2: Fluorine atom is smaller in size and forms strong bonds with other elements and has low dissociation energy of the F-F bond.

Statement-1 : In the combustion of ethane, limiting reactant is ethane Statement-2 : Oxygen in air is always present in excess.

In an exothermic reaction, the total enthalpy of products is greater than that of reactants.

Statement-1: Combustion of all organic compounds is an exothermic reaction . Statement-2: The enthalpy of formation of all elements in their standard state are zero.

Knowledge Check

  • Statement-1: All combustion reactions are exothermic. Statement-2: Enthalpies of products greater than enthalpies of reactants (Sv_(p)D_(f)H(P) gt Sv_(R)D_(f)(R))

    A
    Statement-1 is true, Statement-2, is true, Statement -2 is a correct explanation for statement-1
    B
    Statement-1 is true, Statement-2, is true, Statement -2 is not a correct explanation for statement-1
    C
    Statement-1 is true, Statement-2 is false
    D
    Statement-1 is false, Statement-2 is true

  • Statement-1 : Most of the reactions of fluorine are exothermic. Statement-2: Fluorine atom is smaller in size and forms strong bonds with other elements and has low dissociation energy of the F-F bond.

    A
    Statement-1 is True, Statement-2 is True,Statement-2 is a correct explanation for Statement-1.
    B
    Statement-1 is True, Statement-2 is True,Statement-2 is NOT a correct explalanation for Statement-3
    C
    Statement-1 is True, Statement-2 is False
    D
    Statement-1 is False, Statement-2 is True

  • Statement -1 : Statement-2 : Conjugate base of , is more stable

    A
    Statement -I is True, Statement-2 is True, Statement-2 is a correct explanation for Statement-5
    B
    Statement-1 is true, Statement-2 is true, Statement-2 is not a correct explanation for statement-5
    C
    Statement-1 is true, Statement-2 is false
    D
    Statement-1 is false, Statement-2 is true