Which of the following equations is balanced? I. 2KCI + Ca(NO3)2 → KNO3 + CaCl2
II. FeCl3 + 3KOH+ Fe(OH)3 + 3KCI
TII. 2Na + H2SO4 → Na2SO4 + H2
A) I, II and III
B I and II only
C II and III only
D I and III only

the answer is d : ) have a good da

give me abc and i will get it for u.

as given the equation is

2al + 6 hcl > 2 alcl3 + 3 h2(g)

as per equation two moles of aluminum reacts with six moles of hcl to give two moles of alcl3 and three moles of hydrogen gas

given: three moles of al are present and 7 moles of hcl

for three moles of aluminum nine moles of hcl will be required

however as 7 moles of hcl are present so the limiting reagent is hcl

hcl is going to decide the number of moles of product formed

when six moles of hcl are present = 3 moles of h2 are formed

when one mole of hcl is present == 3/6 mole sof h2 will be formed

when 7 moles of hcl are present = 3 x 7/ 6 moles of h2 will be formed = 3.5 moles of h2