Explain the difference in properties of diamond and graphite
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1
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4352
|
December 20, 2016
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Account for the following questions given
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1
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723
|
December 20, 2016
|
A tetravalent element forms monoxide and dioxide with oxygen
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1
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1357
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December 20, 2016
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Explain the following reactions
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1
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2142
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December 20, 2016
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The +1 oxidation state in group 13 and + 2 oxidation state in group 14
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1
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4012
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December 20, 2016
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Rationalise the given statements and give chemical reactions
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1
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1173
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December 20, 2016
|
What is the state of hybridisation of carbon in
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1
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2070
|
December 20, 2016
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If a trivalent atom replaces a few silicon atoms in three dimensional network of silicon dioxide, what would be the type of charge on overall structure?
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0
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2759
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December 19, 2016
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How is excessive content of Carbondioxide responsible for global warming?
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0
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604
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December 19, 2016
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Carbon monoxide is readily absorbed
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1
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1543
|
December 19, 2016
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Give one chemical reaction to show that
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1
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2580
|
December 19, 2016
|
Account for following
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1
|
721
|
December 19, 2016
|
Write the resonance structures
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0
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2122
|
December 19, 2016
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Explain why is there a phenomenal decrease in ionisation enthalpy from carbon to silicon?
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0
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2683
|
December 19, 2016
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When metal X is treated with sodium hydroxide
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1
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7596
|
December 19, 2016
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Identify the compounds A, X and Z in the following reactions
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1
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1564
|
December 19, 2016
|
Write balanced equations for
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1
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950
|
December 19, 2016
|
A non-metallic element of group 13
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1
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2176
|
December 19, 2016
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Explain the following Aluminium alloys are used to make aircraft body
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1
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3828
|
December 19, 2016
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Aluminium trifluoride is insoluble anhydrous HF but dissolves on addition of NaF
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1
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1749
|
December 19, 2016
|
Boron fluoride exists
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1
|
1280
|
December 19, 2016
|
A compound (A) of boron reacts with $NMe_{ 3}$ to give an adduct
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1
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1872
|
December 19, 2016
|
When aqueous solution
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1
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2298
|
December 19, 2016
|
Why does gallium undergo disproportionation reactions?
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0
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6162
|
December 19, 2016
|
Discuss the pattern of variation in the oxidation states of B to Tl
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0
|
2719
|
December 19, 2016
|
Why the elements of the second row
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1
|
661
|
December 19, 2016
|
What is inert pair effect?
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0
|
9681
|
December 19, 2016
|
Suggest reasons why the only binary compounds of the noble gases are fluorides and oxides of Kr, Xe and Rn?
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0
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4053
|
November 3, 2016
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Xenon does not form fluorides such as $XeF _{3 }$ and $XeF _{5 }$. Why?
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0
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2545
|
November 3, 2016
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Why do noble gases have comparatively large atomic sizes?
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0
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2840
|
November 3, 2016
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