The drain cleaner, Drainex, contains aluminium which reacts with caustic soda to produce `H_2`. What volume of `H_2` at `20^@C` and 1 bar will be increased when 0.15 g of Al reacts?

When phosphorus reacts with caustic soda, the products are P H_3 and NaH_2 PO_2 The reaction is an example of : oxidation, reduction, disproportionation, non of these

Calculate the quantity of electricity that will be required to liberate 710g of Cl , gas by electrolysing a conc. solution of NaCl . What is the amount of NaOH and volume.of H_2 at 27^circ C and 1 atm pressure is obtained during this process?

3g of hydrogen reacts with 30g of oxygen to yield H_2O . Calculate the amount of reactant: which is unreacted.

2.9g of a gas 95^@C occupied the same volume as 0.184g of H_2 at 17^@C at the same pressure. What is the molar mass of the gas?

Energy required for excitation of electron in 1 mole H atom from ground state to 3^(rd) excited state is 2.67 times (lesser than) dissociation energy per mole of H_(2(g)) . Calculate the amount of energy needed to excite each H atom of H_(2(g)) confined in 1 L at 27^(@)C and 1 bar pressure. (R=0.083 bar litre K^(-1)" mol"^(-1), R_(B)=1.1xx10^(-7) m^(-1) ).

Find out the limiting reagent when 5g of H_2 reacts with 24g of O_2 to form water.

3g of hydrogen reacts with 30g of oxygen to yield H_2O . Which is the limiting reactant?

3g of hydrogen reacts with 30g of oxygen to yield H_2O . Which is the excess reactant?

How many grams of H_(2) S will react with 6.32 g of KMnO_(4) to produce K_(2) SO_(4) and MnO_(2) ?