MCQ
Which of the following is correctly matched?
  • A
    $[Cu(NH_3)_4]^{2+}$          Diamagnetic
  • B
    $[Ni(CN)_4]^{2-}$          Para magnetic
  • 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 electric current in a chemical cell is due to movement of:
Which of the following statements regarding chemical properties of acetophenone are wrong

$(1)$ It is reduced to methyl phenyl carbinol by sodium and ethanol

$(2)$ It is oxidised to benzoic acid with acidified $KMn{O_4}$

$(3)$ It does not undergo iodoform electrophilic substitution like nitration at meta position

$(4)$ It does not undergo iodoform reaction with iodine and alkali

Which of the following compound does not give Tollen’s test?
Cyanohydrin of which of the following forms lactic acid
Consider the above reaction sequence and identify the product $B$.
A first order reaction has a specific reaction rate of $10^{-2}\,sec^{-1}.$ How much time will it take for $20\, g$ of the reactant to reduce to $5\, g\,?$ ........ $\sec$
Polyacrylamide gel is prepared by mixing acrylamide and $........$ at fixed proportions.
Benzylamine may be alkylated as shown in the following equation: $\text{C}_6\text{H}_5\text{CH}_2\text{NH}_2+\text{R}-\text{X}\xrightarrow{\ \ \ \ \ \ \ \ }\text{C}_6\text{H}_5\text{CH}_2\text{NHR}$ Which of the following alkylhalides is best suited for this reaction through $\mathrm{S}_{\mathrm{N}}{_1}$ mechanism?
When $96500 $ coulomb of electricity is passed through a copper sulphate solution, the amount of copper deposited will be ............... $\mathrm{mol}$
The correct statements among $(a)$ to $(b)$ are:

$(a)$  saline hydrides produce $H_2$ gas when reacted with $H_2O.$

$(b)$ reaction of $LiAH_4$ with $BF_3$ leads to $B_2H_6.$

$(c)$ $PH_3$ and $CH_4$ are electron - rich and electron-precise hydrides, respectively.

$(d)$ $HF$ and $CH_4$ are called as molecular hydrides.