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Consdier the following energy level diag...

Consdier the following energy level diagram:

The heat of formation of glucose is

A

`-x`

B

`-y`

C

`x-y`

D

`-x + x`

Text Solution

Verified by Experts

The correct Answer is:
A
From the data the given reactions are `6C + 6H_(2) + 9O_(2) rarr C_(6)H_(12)O_(6), Delta H= -x`
`6C + 6H_(2) + 9O_(2) rarr 6CO_(2) + 6H_(2)O, Delta H= -y`
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Knowledge Check

  • Consdier the following energy level diagram: The quantity y is equal to

    A
    `Delta H_("combustion "C(s)) + Delta H_("combustion"H_(2)(g))`
    B
    `x + z`
    C
    `x-z`
    D
    `Delta H_(fCO_(2)) + Delta H_(H_(2)O)`

  • Consdier the following energy level diagram: In the given diagram z refer to

    A
    `6 xx Delta H_(f(CO_(2)))^(0)`
    B
    `Delta H_(f (C_(6)H_(12)O_(6)))^(0)`
    C
    `Delta H_("Combustion" (C_(6)H_(12)O_(6)))^(0)`
    D
    `Delta H_("combustion" (C_(6)H_(12)O_(6)))^(0) + Delta H_(f(H_(2)O_((l))))^(0)`

  • Consider the following energy level diagram: Answer the following question on the basis of the given diagram The heat of formation of glucose is

    A
    `-x`
    B
    `-y`
    C
    `x-y`
    D
    `-x +z`

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