Among the following compounds, the increasing order of their basic strength is:

Among the following compounds, the increasing order of their basic strength is:

1. $\left(\mathrm{II}\right)<\left(\mathrm{I}\right)<\left(\mathrm{III}\right)<\left(\mathrm{IV}\right)$
2. $\left(\mathrm{II}\right)<\left(\mathrm{I}\right)<\left(\mathrm{IV}\right)<\left(\mathrm{III}\right)$
3. $\left(\mathrm{I}\right)<\left(\mathrm{II}\right)<\left(\mathrm{IV}\right)<\left(\mathrm{III}\right)$
4. $\left(\mathrm{I}\right)<\left(\mathrm{II}\right)<\left(\mathrm{III}\right)<\left(\mathrm{IV}\right)$

Asked in: JEE Main 2017 (09 Apr Online)

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