Question

2. 13 Consider the reaction of water with Fz and suggest, in terms of oxidati
reduction, which species are oxidized/ reduced.
[2
2. 14 An element 'A' belongs to group 2 of the periodic table. It shows anomalous
behaviour from the rest of the elements of its group. It shows a diagonal
relationship with another element 'B'. Chlorides of both 'A' and 'B' have bridged
structure in vapour phase. Identify A and B and draw the structures of their
respective chlorides.
[
. 15 A metal 'X' is present in chlorophyll. Identify the metal 'X'. How does this metal
react with N2?
. 16 Calculate the mass percent of different elements in sodium sulphate,(Na2SO4
. 17 A compound (C-H14) on ozonolysis gives ethanal and pentan-3- one. What is t
structure of alkene?
- 18 Why does the rain water normally have a pH of about 5.6? When does it beca
acid rain?
19 Calculate the molarity of a solution of ethanol in water in which the mole
fraction of ethanol is Q.40.
20 Kavita was playing a game with her friends. As a part of the game they aske
to express a wish. She said that she wanted to be able to see the atom. Ator
dimensions are from 10-12 m and nucleus is 10-15 m; visible range in the
electromagnetic spectrum is for wavelengths in the range of 10-7m. As a s
of chemistry
a. Describe how the world would look for kavita if she is granted her wis
b. What value can you draw from this?
ntom contains 12 electrons. What is the maxim​

Answer 1

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Explanation:

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