Which of the following does not contain copper

  • A

    Brass

  • B

    Bronze

  • C

    Azurite

  • D

    Calamine

Similar Questions

The element exhibiting most stable $ + \,2$ oxidation state among the following is

  • [IIT 1995]

Four successive members of the first row transition elements are listed below with their atomic numbers. Which one of them is expected to have the highest third ionization enthalpy

  • [AIPMT 2005]

How would you account for the following:

$(i)$ of the $d^{4}$ species, $Cr ^{2+}$ is strongly reducing while manganese $(III)$ is strongly oxidising.

$(ii)$ Cobalt $(II)$ is stable in aqueous solution but in the presence of complexing reagents it is easily oxidised.

$(iii)$ The $d^{1}$ configuration is very unstable in ions.

Correct statement for $CeO_2$ is/are

$(1)$  It is Diamagnetic in nature

$(2)$  It is a good oxidising agen

$(3)$  It is colourless compound

Chloro compound of vanadium has only spin magnetic moment of $1.73\, BM$. This vanadium chloride has the formula:

  • [AIIMS 2019]