Fill in the blanks by choosing the appropriate word/words from those given in the brackets.
(Monohydric, dihydric, trihydric, nitration, sulfonation, resonance stabilizaton, acidic, basic, `FeCl_(3)ZnCl_(2)`, more, less, aldehydes, ketones, Tollens' reagent, Luca's reagent, o-nitrophenol, p-nitrophenol, ethene, diethyl ether, fit, unfit, be, not be, `O_(2),Cl_(2)`, alkyl halides, oxonium, hydronium, alkyl, lone pairs of electrons, ethyl iodide, ethyl hydrogen sulfate, perchlorodiethyl ether, methyl iodide, ethyl hydrogensulfate, perchlorodiethyl ether, methyl iodide, dialkyl, hydrogen bonding, violet, green)
With `PCl_(5)` ethers form......

Explanation

To fill in the blank in the statement "With PCl5, ethers form ______," we need to analyze the reaction of ethers with phosphorus pentachloride (PCl5).

### Step-by-Step Solution:

1. **Understanding Ethers**: Ethers are compounds that have the general structure R-O-R', where R and R' are alkyl groups.

2. **Reaction with PCl5**: When ethers react with phosphorus pentachloride (PCl5), they undergo cleavage of the carbon-oxygen (C-O) bond.

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