The catalyst used in the preparation of \(Cl_{2}\) by Deacon's process is
(A) \(MnO_{2}\)
(B) \(Al_{2}O_{3}\)
(c) Charcoal
(D) \(CuCl_{2}\)

The oxide used in the estimation of carbon monoxide is (A) \(O_{2}F_{2}\) (B) \(I_{2}O_{5}\) (C) \(ClO_{2}\) (D) \(Cl_{2}O_{7}\)

\(KMnO_{4}\) on heating alone decomposes as (A) \(MnO_{2}\) (B) \(K_{2}MnO_{4}\) (C) \(O_{2}\) (D) All are formed

Electro valent linkage is presence in (A) \(Al_{2}Cl_{6}\) (B) \(BeF_{2}\) (C) \(AlF_{3}\) (D) \(CH_{4}\)

Paramagnetism is not exhibited by (A) \(CuSO_{4}.5H_{2}\)O (B) \(CuCl_{2}.5H_{2}\)O (C) CuI (D) \(NiSO_{4}.6H_{2}\)O

Which of the following sets mismatched regarding the nature of oxides? (A) Neutral oxides - \(CO_{2},NO\) (B)Amphoteric oxides - BeO,\(Al_{2}O_{3}\) (C) Acidic oxides - \(Cl_{2}O_{7},NO_{2}\) (D) Basic oxides - \(Na_{2}O\) ,BaO

Incorrect statement in electrolysis of Al_(2)O_(3) by Hall-Heroult process is :

Which of the following sets mismatched regarding the nature of oxides? (A) Neutral oxides - \(CO_{2},NO\) (B) Amphoteric oxides - BeO,\(Al_{2}O_{3}\) (C) Acidic oxides - \(Cl_{2}O_{7},NO_{2}\) (D) Basic oxides - \(Na_{2}O,BaO\)

Preparation of Cl_(2) from HCl and MnO_(2) , involves the process of:

Which of the following statements are correct? (a) S___S bond is present in H_(2)S_(2)O_(6) (b) In peroxosulphuric acid (H_(2)SO_(5)) sulphur is in + 6 oxidation steta (c ) Iron powder along with Al_(2)O_(3) and K_(2)O is used as a catalyst in the preparation of NH_(3) by Haber's process (d) Change in enthalpy is positive for the preparation of SO_(3) by catalytic oxidation of SO_(2)