A magnesium ribbon is burnt in oxygen to give a white compound X accompained by emission of the light. If the burning ribbon is now placed in an atmosphere of nitrogen, it continues to burn and forms a compound Y.
Write the chemical formulae of X and Y.

A magnesium ribbon is burnt in oxygen to give a white compound X accompained by emission of the light. Write the chemical equation, when X is dissolved in water.

A compound is formed by two elements X and Y. Atoms of the element Y (as anions) make ccp and those of the element X (as cations) occupy all the octahedral voids. What is the formula of the compund?

Write the balanced chemical equations fo rthe following reactions and identify the type of reaction in each case. magnesium ribbon is burnt in an atmosphere of nitrogen gas to from solid magnesium nitride.

The crystals of compound A on keeping in air get converted into a white powder. Its solution in water gives blue colour with red litmus. It is used to remove permanent hardness of water. Identify the substance. Write chemical formula of its crystalline form.

Two elements X( atomic weight =75) and Y( atomic weight =16) combine to give a compound having 75.8% X. The formula of the compound is

What is the formula of a Compound in which the element Y forms hcp lattice and atoms of X occupy 2/3 rd of tetrahedral voids?

The white powder formed when magnesium ribbon burns in oxygen it forms ..........

In one of the industrial processes used for manufacture of sodium hydroxide, a gas ‘X’ is formed as a by-product. The gas ‘X’ reacts with lime water to give a compound ‘Y’ which is used as a bleaching agent in the chemical industry. Identify ‘X’ and ‘Y’ giving the chemical equations of the reactions involved.

The compound X on treatment with acidified K_2Cr_2O_7 gives compound Y which reacts with I_2 and Na_2CO_3 to form tri-iodomethane. The compound X is :