|
What do you understand by the term autoprotolysis of water ? What is its significance?
|
|
0
|
9436
|
August 13, 2016
|
|
How do you expect the metallic hydrides to be useful for hydrogen storage ? Explain
|
|
0
|
4021
|
August 13, 2016
|
|
What do you understand by the term "non-stoichiometric hydrides" ? Do you expect this type of the hydrides to be formed by alkali metals ? Justify your answer
|
|
0
|
3535
|
August 13, 2016
|
|
Do you except the carbon hydrides of the type to act as Lewis acid or base?
|
|
1
|
1635
|
August 13, 2016
|
|
What is meant by auto-protolysis of water?
|
|
0
|
3284
|
August 13, 2016
|
|
The boiling point of ${{H}_{2}}$O is higher than that of ${{H}_{2}}$S. Explain
|
|
0
|
417
|
August 13, 2016
|
|
A sample of hard water is allowed to pass through an anion exchanger. Will it produce lather with soap easily?
|
|
0
|
1300
|
August 13, 2016
|
|
Complete the reaction:
|
|
1
|
589
|
August 13, 2016
|
|
Name a process which can remove both temporary and permanent hardness of water
|
|
0
|
622
|
August 13, 2016
|
|
Which salts piesent in water make it permament hard?
|
|
0
|
450
|
August 13, 2016
|
|
Can distilled water be called as deionised water
|
|
0
|
736
|
August 13, 2016
|
|
Can marine species live in distilled water?
|
|
0
|
1392
|
August 13, 2016
|
|
Explain why electrolysis of ordinary water occurs faster than heavy water
|
|
0
|
1174
|
August 13, 2016
|
|
Write two uses of interstitial hydrides
|
|
0
|
909
|
August 13, 2016
|
|
Explain why beryllium forms a covalent hydride while calcium forms an ionic hydride?
|
|
0
|
1939
|
August 13, 2016
|
|
What type of elements form interstitial hydrides?
|
|
0
|
2400
|
August 13, 2016
|
|
What is hydrolith ? How is it prepared?
|
|
0
|
4522
|
August 13, 2016
|
|
What happens when chloroform is treated with heavy water in presence of an alkali?
|
|
0
|
930
|
August 13, 2016
|
|
Why is sodium less soluble in heavy water than in ordinary water?
|
|
0
|
562
|
August 13, 2016
|
|
Give an example where water acts as an oxidising agent
|
|
0
|
1711
|
August 13, 2016
|
|
How is heavy water produced from ordinary water?
|
|
0
|
936
|
August 13, 2016
|
|
What is the cause of temporary hardness of water?
|
|
0
|
752
|
August 13, 2016
|
|
Explain why water is either acidified or made alkaline before electrolysis it to get hydrogen?
|
|
0
|
599
|
August 13, 2016
|
|
Name the compounds which retard the decomposition of ${{H}_{2}}$${{O}_{2}}$
|
|
0
|
604
|
August 13, 2016
|
|
Give one example of a zeolite used in softening of hard water
|
|
0
|
905
|
August 13, 2016
|
|
Arrange ${{H}_{2}}$0, ${{H}_{2}}$S, ${{H}_{2}}$Se, ${{H}_{2}}$Te in the decreasing order of boiling point
|
|
0
|
400
|
August 13, 2016
|
|
What is the importance of heavy water in nuclear : power generation?
|
|
0
|
999
|
August 13, 2016
|
|
Name one compound each of hydrogen in which it exists in (i) Positive oxidation state, (ii) Negative oxidation state
|
|
0
|
2891
|
August 13, 2016
|
|
Do you expect different products in solution when aluminium (III) chloride and potassium chloride treated separately with (i) normal water, (ii) acidified water and (iii) alkaline water .Write equations wherever necessary
|
|
0
|
629
|
August 13, 2016
|
|
How can saline hydrides removes traces of water from organic compounds?
|
|
0
|
561
|
August 13, 2016
|