MCQ
Which of the following element show $+ 7\, O's$ ?
- A$Cl$
- B$Mn$
- C$Np$
- ✓All of these
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Reason : Crystal field splitting in ferrocyanide ion is greater than that of ferricyanide ion.
Assertion $(A)$ : Haloalkanes react with $\mathrm{KCN}$ to form alkyl cyanides as a main product while with $\mathrm{AgCN}$ form isocyanide as the main product.
Reason $(R)$ : $\mathrm{KCN}$ and $\mathrm{AgCN}$ both are highly ionic compounds.
In the light of the above statement, choose the most appropriate answer from the options given below:
$(A)$ Number of lone pairs on oxygen is 2 .
$(B)$ $FOF$ angle is less than $104.5^{\circ}$.
$(C)$ Oxidation state of $O$ is $-2$.
$(D)$ Molecule is bent ' $V$ ' shaped.
$(E)$ Molecular geometry is linear.
Correct options are: