MCQ
Which of the following shows optical isomerism?
- A${\left[ ZnCl _4\right]^{2-}}$
- B${\left[ Co ( CN )_6\right]^{3-}}$
- ✓${\left[ Cr \left( C _2 O _4\right)_3\right]^{3-}}$
- D${\left[ Cu \left( NH _3\right)_4\right]^{2+}}$
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p: There is a rational number x ∈ S such that x > 0. Which of the following statements is the negation of the statement p?