Which of the following statements are correct?

$(A)$ The $M ^{3+} / M ^{2+}$ reduction potential for iron is greater than manganese

$(B)$ The higher oxidation states of first row $d$ block elements get stabilized by oxide ion.

$(C)$ Aqueous solution of $Cr ^{2+}$ can liberate hydrogen from dilute acid.

$(D)$ Magnetic moment of $V ^{2+}$ is observed between $4.4-5.2\,BM$

Choose the correct answer from the options given below:

  • [JEE MAIN 2023]
  • A

    $(B), (C)$ only

  • B

    $(A), (B), (D)$ only

  • C

    $(C), (D)$ only

  • D

    $(A), (B)$ only

Similar Questions

Solder is an alloy of

  • [IIT 1995]

Explain giving reasons:

$(i)$ Transition metals and many of their compounds show paramagnetic behaviour.

$(ii)$ The enthalpies of atomisation of the transition metals are high.

$(iii)$ The transition metals generally form coloured compounds.

$(iv)$ Transition metals and their many compounds act as good catalyst.

Which ion is not coloured

Which of the following order is not correct

$Cu(CN)_4^{2 - }$ is colourless as it absorbs light in