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Subject: Chemistry, asked on 19/10/12

h3po3 is diprotic acid

Subject: Chemistry, asked on 7/3/13

why is NH3 is a stronger base than PH3

Subject: Chemistry, asked on 21/11/14

Why out of all the noble gases, only Xenon can form compounds?

(The answer is not because its 1st IE is similar to that of oxygen)

Subject: Chemistry, asked on 12/11/12

what is meant by reducing character and oxidising character? what is oxidising agent and reducing agent?

Subject: Chemistry, asked on 24/1/13

My Chemistry practicals and Viva are on 4/2/13 and 5/2/13.Please provide some help on how to prepare for them because they are also very important.

Subject: Chemistry, asked on 9/3/13

the N-O bond in NO2- is shorter than the N-O bond NO3-. State the reason.

Subject: Chemistry, asked on 30/7/13

why is helium used in diving apparatus?

Subject: Chemistry, asked on 20/8/13

  • Nitrogen does not form pentahalides due to non-availability of thed-orbitals in its valence shell plz explain

Subject: Chemistry, asked on 25/12/10

NCl3 get hydrolysed whereas NF3 not

Subject: Chemistry, asked on 12/3/12

NF3 IS AN EXOTHERMIC COMPOUND WHEREAS NCl3 IS NOT WHY???

Subject: Chemistry, asked on 19/10/12

nh3 is good complexing agent

Subject: Chemistry, asked on 15/4/13

Why acidic character of oxides of group 15 elements decreases down the group?

Subject: Chemistry, asked on 31/12/11

SF6 is not easily hydrolysed whereas SF4 is easily hydrolysed...why...???

Subject: Chemistry, asked on 15/10/13

Why does reducing property of dioxide decreases from SO2 to TeO2 and SO2 is reducing while TeO2 is an oxidisng agent.

Subject: Chemistry, asked on 26/8/13

PH3 has lower boiling point than NH3.explain.

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