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Subject: Chemistry, asked on 29/9/15

why does group 15 have -3 as it's oxidation state?

Subject: Chemistry, asked on 1/9/15

 in my chemistry lecture i.e study material of p block elements. the plugin is not supported.. what to do???

Subject: Chemistry, asked on 16/9/22

“Orthophosphoric acid (H3PO4) is not a reducing agent whereas hypophosphorus acid (H3PO2) is a strong reducing agent.” Explain and justify the above statement with the help of a suitable example. (Comptt. All India 2017)

Subject: Chemistry, asked on 2/7/22

I need the explanation of this para

Subject: Chemistry, asked on 24/3/22

 
Plz tell the answer of question no.- 8!!!!!!!!!!!!

Subject: Chemistry, asked on 22/3/22

Explain briefly. The ionization enthalpy for elements along a group generally reduces. But there is an exception for group 13 elements and the order is not uniform. What is screening effect.

Subject: Chemistry, asked on 22/3/22

The ionization enthalpy for elements along a group generally reduces. But there is an exception for group 13 elements and the order is not uniform. Why

Subject: Chemistry, asked on 11/3/22

What is the answer?

Subject: Chemistry, asked on 10/3/22

I want to get the solution for this

Subject: Chemistry, asked on 3/3/22

Difference between Lewis acid & Lewis base

Subject: Chemistry, asked on 24/2/22

When 5 mole of ideal gas in 20litre container at 1atm is allow to enter a vaccum bulb of capacity 100 litre .
Then find the work done

Subject: Chemistry, asked on 24/2/22

A gas occupy 2 litre at STP .it is provided with 300J heat so that it's volume become 2.5 litre at 1atm.
Calculate change in its internal energy

Subject: Chemistry, asked on 24/2/22

When 1 mole of gas expands from 1 litre to 5 litre against constant atmospheric pressure.
Then find the work done

Subject: Chemistry, asked on 24/2/22

Explain the terms --
1. Inert pair effect
2. Catenation
3. Allotropy

Subject: Chemistry, asked on 24/2/22

Comparison between boron and aluminium

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