Programme Code : BDP
Course Code : CHE-O1
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Year : 2012 Views: 936 Submitted By : r.s.banait On 29th September, 2012

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

Q.


Q.4 a) What are metaborates? Give reaction for the borax-bead test for cobalt and the colour

obtained thereof. (1+2)

b) B-N bond distance in borazine is 144 pm, which is less than the sum of single-bond

covalent radii of B (82 pm) and N (70 pm). What does this indicate? (2)

c) The inert nature of silicones make them useful for what? (1)

d) What is the structure of most acetylides? (2)

4

e) Give the reaction of phosphorus with potassium hydroxide. (2)


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