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The equation 1/2H2(g)+1/2Cl2rarrHCl,Delt...

The equation `1/2H_2(g)+1/2Cl_2rarrHCl`,`DeltaH°= -24080cal` means

A

the heat absorbed when one gram molecule of HCL is formed from its element at 25°C is 24080 kcal

B

the heat given out when one gram molecule of HCL is formed from its element at 298K is 24 080 kcal

C

the heat observed when one atom of hydrogen reacts with one atom of chlorine to form one molecule of at 25°C and atmospheric pressure is 24.0 80 kcal

D

the intrinsic heat of one molecule of HCL is 24.080kcal more than the intrinsic heat of one atom of hydrogen and one atom of chlorine

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The correct Answer is:
B
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AAKASH INSTITUTE ENGLISH-MOCK TEST 10-Example
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