Correct Answer: Option E

Explanation

Given:

C\(_1\) = 2.2 M , V\(_1\) = 1 Litre , C\(_2\) = ?  V\(_2\) = 1 + 10 Litres ( because the volume of water has increased) = 11 Litres

Using the relationship C\(_1\)V\(_1\) = C\(_2\)V\(_2\)

                                     2.2 X 1 = C\(_2\) X 11

                                         C\(_2\) = \(\frac{2.2}{11}\)

                                              = 0.20 M - Option E

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