Question

An element X forms a cation X2+. Give the formula of the compound of this cation with the following anions: Dichromate Oxalate Carbide Phosphide Chlorite Chromate Manganate Acetate

Answer 1

Explanation:

The cation which gives +2 will lies on the II group of periodic table ( alkaline earth metals) which are

Be,Mg,Ca,Sr,Ba,Ra .

Answer 2

Explanation:

dichromate XCr2O7

oxalate XC2O4

CARBIDE X2C ,X2C3

PHOSPHIDE X3P2

CHLORITE X(ClO2)2

CHROMATE XCrO4

MANGANATE XMNO4

ACETATE (CH3COO)2X