MCQ
Which of the following is correctly matched?
  • A
    $[Cu(NH_3)_4]^{2+}$    Diamagnetic
  • B
    $[Ni(CN)_4]^{2-}$    Paramagnetic
  • C
    $[MnCl_4]^{2-}$    Diamagnetic
  • $[Fe(CN)_6]^{4-}$    Diamagnetic

Answer

Correct option: D.
$[Fe(CN)_6]^{4-}$    Diamagnetic
d

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

The magnitude of crystal field stabilisation energy in octahedral field depends on :

$(I)$ the nature of the ligand

$(II)$ the charge on the metal ion

$(III)$ whether the metal is in the first, second or third row of the transition  elements

Incorrect order is
Ampere hour is the unit of
$'A'$ will be
The plot given below shows $P - T$ curves (where $P$ is the pressure and $T$ is the temperature) for two solvents $X$ and $Y$ and isomolal solutions of $NaCl$ in these solvents. $NaCl$ completely dissociates in both the solvents.

On addition of equal number of moles of a non-volatile solute $S$ in equal amount (in $kg$ ) of these solvents, the elevation of boiling point of solvent $X$ is three times that of solvent $Y$. Solute $S$ is known to undergo dimerization in these solvents. If the degree of dimerization is $0.7$ in solvent $Y$, the degree of dimerization in solvent $X$ is. . . . . . .

The rate constant of a reaction at temperature $ 200\,K$ is $10$ times less than the rate constant at $400\,K.$  What is the activation energy $({E_a})$ of the reaction ($R =$  gas constant)
Which of the following reactions belong to electrophilic aromatic substitution?
$Ph - C \equiv N\xrightarrow[{\left( {Partial\,hydrolysis} \right)}]{{{H_3}\mathop O\limits^ \oplus  }}\left( A \right)\xrightarrow{{B{r_2} + KOH}}\left( B \right)$

Product $(B)$ is

At higher temperature, iodoform reaction is given by
....... $gm$ will be the amount of ice separated on cooling solution of $40\, gm$ ethylene glycol in $400\,gm$ water upto $-9.3\,^oC$ . ($K_f$ for water is $1.86\, K\, Kg\, mol^{-1}$)