11 Chemistry The s-Block Elements - Set No : 5 Question No :9
Question No : 9
| One of the elements present in carnallite shows flame colouration. The colour of the flame is |
| a) | Orange | b) | Green |
| c) | Yellow | d) | Lilac |
Answer No : 9
(d)The
formula of carnallite is  In
this formula only potassium gives colour (lilac) to flame, whereas magnesium
does not give flame colouration. |