MCQ
Which of the following element has maximum first ionisation potential
- A$V$
- B$Ti$
- C$Cr$
- ✓$Mn$
I.E. increase in a period from $L \to R$
hence, manganese has maximum first ionisation potential.
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(I) Toluene
(II) $m - $dichlorobenzene
(III) $o - $dichlorobenzene
(IV)$p - $dichlorobenzene

| List- I | List- II |
| (A) $\left[ Ni ( Cl )_4\right]^{-2}$ | (i) $5.92 B . M$. |
| (B) $\left[ CO \left( C _2 O _4\right)_3\right]^{-3}$ | (ii) $1.73 B . M$. |
| (C) $\left[ FeF _6\right]^{-3}$ | (iii) 0 B.M. |
| (D) $\left[ Mn ( CN )_6\right]^{-4}$ | (iv) 2.82 B.M. |