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Calcium carbide is used for artificial ripening of green fruits because it produces


1. Acetylene
2. Methylene
3. Florigen
4. Auxin

1 Answer

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Best answer
Correct Answer - Option 1 : Acetylene

The correct answer is Acetylene.

  • Calcium carbide is used to artificially ripen fruits.
    • Calcium carbide comes in contact with moisture it produces acetylene gas.
    • Calcium carbide is synthesized industrially from calcium oxide (lime), CaO, and carbon in the form of coke at about 2,200 °C (4,000 °F).
    • CaC2 is a chemical compound with a chemical name Calcium Carbide

  • Methylene:
    • It is a colorless gas that fluoresces in the mid-infrared range and only persists in dilution, or as an adduct.
    • Methylene is the simplest carbene.
    • It is usually detected only at very low temperatures, or as a short-lived intermediate in chemical reactions.
  • Florigen:
    • Florigen is the hypothesized hormone-like molecule responsible for controlling and triggering flowering in plants.
    • Florigen is produced in the leaves and acts in the shoot apical meristem of buds and growing tips. 
  • Auxin:
    • Auxin was discovered by Darwin in the year 1880.
    • It Prevents the separation of the leaves.
    • It saves the crops from falling.
    • This is the hormone that controls the growth of plants.

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