The noble gas mixture is cooled in a coconut bulb at 173 K. The gases that are not adsorbed are
He and Ne
Ar and Kr
He and Xe
Ne and Xe
Additional Questions
|
What products are expected from the disproportionation reaction of hypochlorous acid? |
Answer |
|
P4O10 is the anhydride of |
Answer |
|
In the Dewar's method of separation of noble gases, the mixture of noble gases is kept in contact with coconut charcoal at 173 K. Which one of the following gaseous mixtures is not absorbed on to the charcoal? |
Answer |
|
Which of the following statements regarding sulphur is incorrect? |
Answer |
|
Of the following compounds the most acidic is |
Answer |
|
The brown ring test for nitrates depends on |
Answer |
|
Which of the following is used to prepare Cl2 gas at room temperature from concentrated HCl? |
Answer |
|
Which one of the following is not true at room temperature andpressure |
Answer |
|
The tendency of BF3, BCl3 and BBr3 to behave as Lewis acid decreases in the sequence: |
Answer |
|
Which statement is NOT correct about fullerene C60? |
Answer |