CBSE XII Science Chemistry The p-Block Elements
A Transuclent white waxy solid A on heating in an inert atmosphere is converted into allotrophic form B allotrope A on reaction with very dilute aquaeous NaOH liberates highly poisonous gas C have a fish rotten smell the substance A reacts with excess of chlorine to form D which hydrolysis to form compund E . Identify A and E also write the reactions involved
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7th August 2018
11:47 AM
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CBSE XII Science Chemistry The p-Block Elements
When conc H2SO4 is added to an unknown salt in a testube and MNO2 is added, a greenish yellow gas X comes out. To the unknown salt solution in water, when AGNO3 is added,a white ppt is formed which is insoluble in excess of NH4OH. X displaces a brown gas from aqueous solution of KBr. Identify X and write the equations involved
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28th August 2018
3:49 AM
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JEE Plances JEE (Main) Chemistry p-Block Elements
Ques 16
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28th August 2018
6:43 PM
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JEE Plances JEE (Main) Chemistry p-Block Elements
Please answer the following question with explanation
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24th September 2018
8:13 PM
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CBSE XI Science Chemistry Classification of Elements and Periodicity in Properties
explain s,p,d,f block elements
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14th October 2018
3:27 PM
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CBSE XI Science Chemistry The p-Block Elements
What is the most imp. Compound of boron
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2nd November 2018
5:47 AM
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CBSE XII Science Chemistry The p-Block Elements
We know that nitrogen can't have +5 oxidation state,so why N2O5 exists?
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16th December 2018
10:50 PM
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CBSE XII Science Chemistry The p-Block Elements
Explain the structure of pcl3 and pcl5.
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22nd July 2019
5:55 PM
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CBSE XI Science Chemistry The p-Block Elements
sir/mam I am suffering from a query that how to find whether the given compound is hypovalent or hypervalent or follows octet rule .though I remembered the examples, but I need a proper method
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5th August 2019
8:19 AM
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CBSE XII Science Chemistry The p-Block Elements
general trends of p block elements
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11th December 2019
7:44 AM
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