Question

melting and boiling points of Alkyl Halides​

Answer 1

Explanation:

For the same alkali metal ion, the lattice enthalpies decrease as the size of the halide ion increases. As the lattice enthalpies decrease, energy required to break the lattice (melting point) decreases and, hence, the melting points of alkali metal halides decrease from fluoride to iodide.

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Answer 2

Explanation:

RI>RBr>RCL>RF . IT is due to Increase in van

der waals force when size and mass of holagen increase

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