Which of the following compound is most acidic? `Cl_(2)O_(7)`, `P_(4)O_(10)`, `SO_(3)` `B_(2)O_(3)`

Which of the following oxides are acidic ? CuO, Mn_(2)O_(7), CO, SO_(2), CrO_(3)

Which of the following is amphoteric oxide? Mn_(2)O_(7),CrO_(3),Cr_(2)O_(3),CrO,V_(2)O_(5),V_(2)O_(4)

Which of the following compounds contains no covalent bond(s)? NaCl, PH_(3),O_(2),B_(2)H_(6),H_(2)SO_(4),CaCl_(2)

Among the following compounds of phosphorus: H_(4)P_(2)O_(6), P_(2)O_(5), P_(4)O_(6), P_(4)O_(10) . The compounds having P-O-P bond is(are):

What are the oxidation states of phosphorus in the following compounds ? H_(3)PO_(2),H_(3)PO_(4),Mg_(2)P_(2)O_(7),PH_(3),HPO_(3)

Find the oxidation number of sulphur in the following compounds: H_(2)S,H_(2)SO_(4),S_(2)O_(4)^(2-),S_(2)O_(8)^(2-),HSO_(3)^(ө) .

How many of the following compounds will liberate NH_(3) on heating? (NH_(4))_(2)SO_(4),(NH_(4))_(2)CO_(3),NH_(4)Cl,NH_(4)NO_(3),(NH_(4))_(2)Cr_(2)O_(7)

Calculate the oxidation number of each sulphur atom in the following compounds. (a) Na_(2)S_(2)O_(3) " " (b) Na_(2)S_(4)O_(6) " " ( c) Na_(2)SO_(3) " " (d) Na_(2)SO_(4)

Which of the following molecules are homoatomic ? (i) H_(2)O , (ii) O_(3) , (iii) NH_(3) , (iv) Cl_(2)

Which of the following has the greatest affinity for water: P_(4)O_(10). Cl_(2)O_(7),I_(2)O_(5) .