EASY
JEE Main/Advance
IMPORTANT
Earn 100

State with equations what happens when borax is heated on a platinum wire loop and to the resulting transparent mass, a minute amount of CuO is added and the mixture is again heated first in the oxidising flame, and then in the reducing flame of a Bunsen burner?

Important Questions on The p-Block Elements

MEDIUM
JEE Main/Advance
IMPORTANT
Arrange F2,Cl2,Br2 & I2 in decreasing order of their reactivity with alkanes ?
EASY
JEE Main/Advance
IMPORTANT
Which of the following is correct order of stability:
EASY
JEE Main/Advance
IMPORTANT
The halogen that shows same oxidation state in all its compounds with other elements is:
EASY
JEE Main/Advance
IMPORTANT
Sodium chlorite is ______.
MEDIUM
JEE Main/Advance
IMPORTANT
Which of the following oxyacids forms pyroxyacids?
MEDIUM
JEE Main/Advance
IMPORTANT
Which of the following set of element does not form metaoxy acids:
MEDIUM
JEE Main/Advance
IMPORTANT
Name of oxyanion of boric acid H3BO3is: