Home
Class 12
CHEMISTRY
Salts of A (atomic weight 7), B (atomic ...

Salts of `A` (atomic weight `7`), `B` (atomic weight `27`) and `C` (atomic weight `48`) were electolysed under idential condition using the same quanity of electricity. It was found that when `2.1 g` of `A` was deposited, the weights of `B` and `C` deposited were `2.7` and `7.2 g`. The valencies `A, B` and `C`respectively:

Promotional Banner

Similar Questions

Explore conceptually related problems

Salts of A (atomic weight 7), B (atomic weight 27) and C (atomic weight 48) were electrolysed under identical condition using the same quantity of electricity. It was found that when 2.1 g of A was deposited, the eight of B and C deposited were 2.7 and 7.2 g. The valencies of A,B and C are respectively :

Salts of A (atomic mass 15) B (atomic mass 27) and C (atomic mass 48) were electrolysed using same amount of charge . It was found that when 4.5 g of A was deposited , the masses of B and C deposited were 2.7 g and 9.6 g. The valencies of A, B and C were respectively

Salts of metals X, Y and Z are electrolysed under identical condition using same quantity of electricity . If was observed that 4.2 g of X, 5.4 g of Y and 19.2 g of Z were deposited at respetive cathode . If the atomic weights of X , Y, Z are 7, 27 and 64 respectively , then their ratio of valencies is

Element A( atomic mass 112) and element B (atomic mass 27) from chlorides. Solutions of these chlorides are electrolysed seperately and it is found that when the same quantity of electricity is passed 5.6 g of A was deposited while only 0.9 g if B was deposited. If the valency of B is 3, then the valency of A is _________.