CBSE Class 12 Chemistry 2019 Outside Delhi Set 2 Solved Paper

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Question : 26
Total: 27
(a) Account for the following:
(i) Tendency to show -3 oxidation state decreases from N to Bi in group 15.
(ii) Acidic character increases from H2O to H2Te.
(iii) F2 is more reactive than CIF3, whereas CIF3 is more reactive than Cl2.
(b) Draw the structure of (i) XeF2 (ii) H4P2O7.
OR
(a) Give one example to show the anomalous reaction of fluorine.
(b) What is the structural difference between white phosphorus and red phosphorus?
(c) What happens when XeF6 reacts with NaF ?
(d) Why is H2S a better reducing agent than H2O ?
(e) Arrange the following acids in the increasing order of their acidic character:
HBr,Hl,HCl,HF
Solution:  
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