In the reaction \(PbO+C\rightarrow Pb+CO\)
  • C acts as oxidizing agent
  • is oxidized
  • C acts as a reducing agent
  • This reaction does not represent a redox reaction
\(CuO+H_2\rightarrow H_2O+Cu,\)  reaction is an example of –
  • Redox reaction
  • synthesis reaction
  • Neutralization
  • analysis reaction
. \(H_2SO_4+2NaOH\rightarrow Na_2SO_4+2H_2O\) Above equation is a (i)  neutralization reaction (ii) double displacement reaction (iii)  Decomposition reaction (iv) addition reaction
  • (i) to (iv) all
  • (i) and (iii)
  • (i) and (ii)
  • (ii) and (iv)
Oxidation is a process which involves-
  • addition of oxygen
  • All are correct
  • removal of hydrogen
  • loss of electrons
Which of the following is an example of oxidation reaction?
  • \(Sn^{+2}-2e^-\rightarrow Sn^{+4}\)
  • \(Cl_2+2e^-\rightarrow 2Cl\)
  • None of these
  • \(Fe^{+3}+e^-\rightarrow Fe^{+2}\)
The reaction in which two compounds exchange their ions to form two new compounds is-
  • a double displacement reaction
  • a displacement reaction
  • a decomposition reaction
  • an addition reaction
Which of the following statements is/are false for oxidation reaction?
  • None of these
  • Removal or loss of electropositive radical or element
  • Gain or addition of electronegative radical
  • Removal of hydrogen atom
\(Zn+H_2SO_4\left( dil \right) \rightarrow ZnSO_4+H_2\uparrow \) Above equation is a
  • Combination reaction
  • Decomposition
  • Synthesis reaction
  • Single displacement reaction
When the gases Sulphur dioxide and hydrogen Sulphide react, the reaction is \(SO_2+2H_2S\rightarrow 2H_2O+3S\) Here hydrogen sulphide is acting as-
  • a reducing agent
  • a dehydrating agent
  • a catalyst
  • an oxidizing agent
In the reaction \(Mg+Cl_2\rightarrow MgCl_2\) Chlorine may be regarded as –
  • an oxidizing agent
  • a reducing agent
  • providing an inert medium
  • a catalyst
0 h : 0 m : 1 s

Answered Not Answered Not Visited Correct : 0 Incorrect : 0