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![[Post New]](/templates/default/images/icon_minipost_new.gif) 29 Mar 2008 09:33:36 IST
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1. What is the formula for lead sugar?
2. Compound X is passed over a lead painting blackened by the action of H2S, it gets oxidised and shines. Then the compound X is
3. Which metal reacts violently with HCl?
a. Al b. K c. Fe d. Mn
4. Which one is not a true peroxide?
a. Hydrogen peroxide
b. Caro's acid
c. Marshall acid
d. Thiosulphuric acid
5. Lyophillic colloid is stable due to
a. reversible nature
b. solvation of particles
c. viscousity
d. all of these
6. How many sigma and pi bonds are there in di-cyano acetylene?
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29 Mar 2008 09:43:35 IST
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1)lead sugar...Pb(C2H3O2)2(lead|| acetate)
2)h2o2
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always remember to chill if im wrong..though it generally doesnt happen.
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29 Mar 2008 09:44:32 IST
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6) 3 sigma 2 pi
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always remember to chill if im wrong..though it generally doesnt happen.
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29 Mar 2008 09:47:02 IST
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3) i think its K...i dono exactly
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always remember to chill if im wrong..though it generally doesnt happen.
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29 Mar 2008 09:50:40 IST
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4. d? 5. mainly b but guess the answer can also be d 6. 7 sigma and 3 pi bonds
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29 Mar 2008 16:07:08 IST
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3.b)
5.b)since it is stable only it is reversible
!!!!!!!!!!!!!
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Varsha
be cool,
tomorrow is what we make it today,
so if u can dream it , u can make it .
life is an ice cream ,eat it before it melts away!!!!!!!!!
    
 
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29 Mar 2008 16:18:06 IST
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4. D
everything else has an O - O linkage
6.
N C-CC-CN
hence,
6 pi bonds and 5 sigma bonds
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JEE and OLYMPIA INFINATUM
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29 Mar 2008 16:28:55 IST
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sorry hash_include is right i thought it was ethene and not acetylene :)
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