Which one of the following is not a redo...

Which one of the following is not a redox reaction :-

A

`CaCO_(3)rarrCaO+CO_(2)`

B

`2H_(2)+O_(2)rarr2H_(2)O`

C

`Na+H_(2)Orarr NaOH+(1)/(2)H_(2)`

D

`MnCl_(3)rarr MnCl_(2)+(1)/(2)Cl_(2)`

Text Solution

Verified by Experts

The correct Answer is:

A

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Knowledge Check

Which one of the following is a redox reaction ?

A

`H_(2)+Br_(2)rarr2HBr`

B

`2NaCl+H_(2)SO_(4)rarrNa_(2)SO_(4)+2HCl`

C

`HCl+AgNO_(3)rarrAgCl+HNO_(3)`

D

`NaOH+HClrarrNaCl+H_(2)O`

Which of the following is not a redox reaction ?

A

`CO+NO_(2)rarrCO_(2)+NO`

B

`3SnCl_(2)+6HCl+2NOrarr3SnCl_(4)+2NH_(2)OH`

C

`PCl_(3)+Cl_(2)rarrPCl_(5)`

D

`SiO_(2)+4HFrarrSiF_(4)+2H_(2)O`

Which of the following is not a redox reaction

A

`KCl+K_(2)Cr_(2)O_(7)+con.H_(2)SO_(4)rarrCrO_(2)Cl_(2)+K_(2)SO_(4)+H_(2)O`

B

`K_(2)Cr_(2)O^(7)+H_(2)O_(2)con.H_(2)SO_(4)rarrK_(2)SO_(4)+CrO_(5)+H_(2)O`

C

`K_(2)Cr_(2)O^(7)+H_(2)O_(2)+dil.H_(2)SO_(4)rarrK_(2)SO_(4)+Cr_(2)(SO_(4))_(3)+7H_(2)O+3O_(2)`

D

`K_(2)Cr(_(2)O^(7)+2KOHrarr2K_(2)CrO_(4)+H_(2)O`

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