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From the following reaction, (1/2) N2O (...

From the following reaction, `(1/2) N_2O (g) + (3/4) O_2(g) rarr NO_2(g)`, `delta H = -x , C_2H_2 (g) + (5/2) O_2(g) rarr 2CO(g) + 3H_2O(l)`, `delta H = -y , 2C_3H_8 (g) + 10 O_2(g) rarr 6CO_2(g) + 8H_2O(l)`, `delta H = -z` , which of the following options contain all values of enthalpy of combustion`(delta H°_c)` for the given reaction

A

`-x, -y, -z`

B

`-2x, -y, -(z/2)`

C

`-(y/2), -(z/2)`

D

`=-z/2`

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AAKASH INSTITUTE ENGLISH-TEST 5-EXAMPLE
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