Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
BITSAT2012Chemistryd and f Block ElementsActual

An extremely hot copper wire reacts with steam to give

Options

  1. ACuO
  2. BCu ₂ O
  3. CCu ₂ O ₂
  4. DCuO ₂

Correct answer

B. Cu ₂ O

Step-by-step solution

Hot 2 Cu + Steam H ₂ O Cu ₂ O + H ₂

Practice d and f Block Elements on Quantrex Academy →

More from d and f Block Elements

Which of the following has least tendency to liberate H , from mineral acids? 2024The metal that shows highest and maximum number of oxidation state is: 2024In the laboratory, manganese (II) salt is oxidise to permanganate ion in aqueous solution by 2023Which is not the correct statement? (At. nos. Ce =58, Lu =71, La =57, Yb =70 ) 2020Which of the following lanthanoid is diamagnetic? Atomic no's Sm = 62 , Ce = 58 , Eu = 63 , Yb = 70 2019Spin only magnetic moment of Mn 4 + ion is nearly 2019Which among the following actinoids does not have stable electronic configuration 2018When dil. sulphuric acid reacts with aqueous solution of potassium chromate, the colour changes from yellow to orange. This shows that 2018 Full d and f Block Elements list All BITSAT PYQs