In dilute alkaline solution,$MnO_4^-$ changes to:

Write the balanced chemical equation for the following reaction using the oxidation number method:
Reaction of liquid hydrazine $(N_2H_4)$ with chlorate ion $(ClO_3^-)$ in basic medium produces nitric oxide gas $(NO)$ and chloride ion $(Cl^-)$.

Phenolphthalein does not act as an indicator for the titration between

In a balanced equation $H_2SO_4 + x \ HI \to H_2S + y \ I_2 + z \ H_2O$,the values of $x, y, z$ are

Assign $A, B, C, D$ from the given type of reaction for the following chemical equation:
$3Fe_{(s)} + 4H_2O_{(g)} \xrightarrow{\Delta} Fe_3O_{4(s)} + 4H_{2(g)}$

The reaction of aqueous $KMnO_4$ with $H_2O_2$ in acidic conditions gives