Programme Code : BDP
Course Code : CHE-O1
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Year : 2012 Views: 937 Submitted By : r.s.banait On 29th September, 2012

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


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)


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

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