What would be the final major product of the following chemical reaction if it is carried out twice, one at 5 c° and the second time at 45 c'? h,c-Č-h t o11 a)

What would be the final major product of the following chemical reaction if it is carried out twice, one at 5 C° and the second time at 45 C'? H,C-Č-H t O11 a) CH-ČH at both the temperatures. b) QH CH-ČH-CH-Č-H at 5°C and CH CH-CHCHO at 45°C QH c) CH CH-CH-Č-H at 5°C and CH-ČH-CH-CHO at 45°C d) QH CH CH CH2 H at 5°C and CH H CH-ČH at 45°C Correct answer is option 'A'. Can you explain this answer?