Download App

The d & f Block Elements — Chemistry STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceChemistryThe d & f Block Elements1 Mark
MCQ
Which of the following statements is not correct?
  • A
    Copper liberates hydrogen from acids.
  • B
    In its higher oxidation states, manganese forms stable compounds with oxygen and fluorine.
  • C
    Mn3+ and Co3+ are oxidising agents in aqueous solution.
  • D
    Ti2+ and Cr2+ are reducing agents in aqueous solution.
✓

Answer

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

Explore more

More "M.C.Q [1M]" from The d & f Block Elements→The d & f Block Elements — all question types→Chemistry STD 12 Science question papers→Bihar Board STD 12 Science question papers→Bihar Board question paper generator→

Similar questions

Which of the following polymer is stored in the liver of animals?
→
The isomerism exhibited by following compounds [Co(NH3​)6​][Cr(CN)6​] and [Cr(NH3​)6​][Co(CN)6​] is:
→
Glycerol is a :
→
Generally transition elements and their salts are coloured due to the presence of unpaired electrons in metal ions. Which of the following compounds are coloured?
→
Lanthanoid contraction occurs because:
→
Identify the false statement among the following:
→
The hybridisation state of nitrogen in trimethylamine is :
→
The compound which does not give aldol condensation :
→
The reddish brown precipitate obtained in the Fehling's test is due to the formation of which of the following compound :
→
The number of tripeptides possible from three different amino acids is:
→