Programme Code : BDP
Course Code : CHE-O1
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Year : 2012 Views: 786 Submitted By : r.s.banait On 29th September, 2012

Do you have solution for this Question. If yes    I aslo want solution.

Q.


Q.3 a) Explain the following

i) The alkaline earth metals are soft metals.

ii) The alkaline earth metals are less reactive than alkali metals.

iii) The halides of beryllium polymerise easily. (3)

b) Briefly discuss the complexation behaviour of alkaline earth metals. (2)

c) Why aluminum can not be extracted from aqueous solution of aluminum salts by the

process of electrolysis? (2)

d) Why does hot and conc. HNO3 render Al and Ga passive? (2)

e) Why are the borohydrides more stable than boranes? (1)


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