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Which of the following is not an endothe...

Which of the following is not an endothermic reaction?

A

Combustion of methane

B

Decomposition of water

C

Dehydrogenation of ethane to ethylene

D

Conversion of graphite to diamond

Text Solution

Verified by Experts

The correct Answer is:
A
Combustion reaction are always exothermic.
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Knowledge Check

  • Which of the folowing is not an endothermic reaction

    A
    `CaCO_(3)toCaO+CO_(2)`
    B
    `2H_(2)Oto 2H_(2) + O_(2)`
    C
    `6CO_(2)+6H_(2)OtoC_(6)H_(12)O_(6)+6O_(2)`
    D
    `C_(6)H_(12)O_(6)+6O_(2)to6CO_(2)+6H_(2)O`

  • In endothermic reaction

    A
    Heat evolved is given positive sign
    B
    Change in enthalpy is given negative sign
    C
    Heat absorbed is given negative sign
    D
    None of these

  • In endothermic reaction

    A
    The enthalpy of reactions is more than that of products
    B
    Heat is given to the surroundings
    C
    `Delta H` is negative value
    D
    `Delta H` has positive value

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