An inorganic compound (A) loses its water of crystallisation on heating and its aqueous solution gives the following reactions: a. It gives a white turbidity with dil HCI. b. It decolourises a solution of iodine in KI. c. It gives a white ppt. with AgNO_(3) solution, which turns black on standing.
Three compound X, Y and Z were taken into three different laboratory vessels annd they are carried out by a chemist in his car. The car caught fire due to short circuit and the chemist came out of the car and noticed following observations: Q. Which of the following compound does not react with cold and dil. HNO_(3) ?
