Identify the incorrect statement among the following.

  • Option 1)

    Br_2   reacts with hot and strong NaOH solution to give NaBr and H_2O

  • Option 2)

    Ozone reacts with SO_2  to give SO_3

  • Option 3)

    Silicon reacts with NaOH_(aq) in the presence of air to give Na_2SiO_3\: \: and\: \: H_2O

  • Option 4)

    Cl_2 reacts with excess of NH_3 to give N_2\: \: and\: \: HCl.

 

Answers (1)

As we learnt in

Reaction of Cl with excess Ammonia -

8NH_3 + 3Cl_2 \rightarrow N_2 + 6NH_4Cl

- wherein

NHget oxidised by Cl2

 

 8NH3+3Cl2 \rightarrow N2+6NH4Cl

NH3 gets oxidized by Cl2.

 


Option 1)

Br_2   reacts with hot and strong NaOH solution to give NaBr and H_2O

This option is  incorrect.

Option 2)

Ozone reacts with SO_2  to give SO_3

This option is  incorrect.

Option 3)

Silicon reacts with NaOH_(aq) in the presence of air to give Na_2SiO_3\: \: and\: \: H_2O

This option is  incorrect.

Option 4)

Cl_2 reacts with excess of NH_3 to give N_2\: \: and\: \: HCl.

This option is correct.

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