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की अभिक्रिया एंथाल्पी $$\\Delta$$_rH = __________ kJ mol^$$-$$1 है। (निकटतम पूर्णांक तक गोल करें)।

[ दिया गया : बॉन्ड एंथाल्पीस kJ mol^$$-$$1 में : C-C : 347, C = C : 611; C-H : 414, H-H : 436 ]","ans",[415],"128","2021 - 18th March Morning Shift","course","chemistry-hindi",18,"t","exact_and","points",1.5,"18","initComment","initReply","actionData","errors"]

JEE MAIN - Chemistry Hindi (2021 - 18th March Morning Shift - No. 18)

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