Arrange the following in an incrasing order of absic strength in water :
`C_(6)H_(5)NH_(2),(C_(2)H_(5))NH,(C_(2)H_(5))N and NH_(3)`
(ii) Arrange the following in increasing order of baisc strength is gas phase:

Explanation

To solve the problem of arranging the given compounds in increasing order of basic strength in water and in the gas phase, we can follow these steps:

### Part (i): Increasing Order of Basic Strength in Water

1. **Identify the Compounds**: The compounds given are:
- Aniline (C6H5NH2)
- Ethylamine ((C2H5)NH2)
- Diethylamine ((C2H5)2NH)
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