2 Na(s) + H₂(g) → 2 NaH (s)

The incorrect statement among the following regarding above mentioned reaction is-

1. Na gets oxidised
2. It is a redox reaction
3. NaH is an ionic hydride
4. None of the above

The species among the following that does not show a disproportionation reaction is-

ClO^–, ClO₂^–, \(ClO_{3}^{-}\) and ClO₄^–

1. ClO^–
2. ClO₂^–
3. ClO₄^–
4. \(ClO_{3}^{-}\)

Match the items in column I with the items in column II.

 
1. a=iii; b=ii; c=iv; d=i
2. a=iii; b=iv; c=i; d=ii
3. a=ii; b=iii; c=iv; d=i
4. a=iv; b=i; c=iii; d=ii

 

Consider the following reaction:

Pb₃O₄ + 8HCl → A +  B + 4H₂O

A and B are, respectively,:

1. A= PbCl₄;  B= PbCl₂
2. A= PbCl₂;  B= Cl₂ 
3. A= PbCl₄; B=Cl₂
4. A = PbCl₂; B = O₂