Difference in the melting and boiling points of inert gases is :
large
small
no difference
any of these
B.
small
There is small difference in melting and boiling points of inert gases .
Anode in the galvanic cell is :
negative electrode
positive electrons
neutral electrode
none of the above
Normal solution is :
inert solution
acidic solution
one litre containing one equivalent
basic solution
The magnetic moment of K3[Fe(CN)6] is found to be 1.7 BM .How many unpaired electron (s) is/are present per molecule ?
1
2
3
4
NaOCl is used as a bleaching agent and sterilising agent .It can be synthesized by the action of :
NaCl with H2O
NH4Cl with NaOH
Cl2 with cold and dilute NaOH
Cl2 with hot and concentrated NaOH
How can you synthesize nitric oxide in the laboratory ?
Zinc with cold and dilute HNO3
Zinc with concentrated HNO3
Copper with cold and dilute HNO3
Heating NH4NO3
Phenol on reaction with Br2 gives :
O - Bromo phenol
p - Bromo phenol
2 , 4 , 6 tribromo phenol
1 , 3 , 5 tribromo benzene