Home
Class 12
CHEMISTRY
In the reaction : 2Al(s) + 6HCl(aq) rarr...

In the reaction : `2Al(s) + 6HCl(aq) rarr 2 Al^(3+)(aq) + 6 Cl^(-)(aq) + 3H_(2)(g)`

Text Solution

Verified by Experts

`2Al(s) + 6HCl(aq) rarr 2Al^(3+)(aq) + 6Cl^(-)(aq) + 3H_(2)(g) `
`:' 6 "mol es of HCl produce = 3 mol es of" H_(2) = 3 xx 22.4 L of H_(2) at S.T.P.`
`:' 1 mol es of HCl p r o d u c e = 3 xx 22.4/6 L of H_(2) at S.T.P. = 11.2 L of H_(2) at S.T.P.`
Promotional Banner

Similar Questions

Explore conceptually related problems

In the reaction: 2Al_((s))+6HCl_((aq.))rarr2Al_((aq.))^(3+)+6Cl_((aq.))^(-)+3H_(2(g))

In the reaction 2Al(s)+6HCl(aq)to6Cl^(-)(aq)+3H_2

Consider the reaction, Cl_(2)(aq) + H_(2)S(aq) rarr S(s) + 2H^(+) (aq) + 2Cl^(-)(aq) The rate equation for this reaction is, Rate =k [Cl_(2)][H_(2)S] Which of these mechanisms is // are consistent with this rate equation ? (I) Cl_(2) + H_(2)S rarr H^(+) + Cl^(-) + Cl^(+) + HS^(-) (slow) Cl^(+) + HS^(-) rarr H^(+) + Cl^(-) + S (fast) (II) H_(2)S hArr H^(+) +HS^(-) (fast equilibrium) Cl^(+) + HS^(-) rarr 2 Cl^(-) + H^(+) + S (slow)

Calculate the enthalpy of formation of anhydrous aluminium chloride, Al_(2)Cl_(6) from the following data : (i) 2Al(s) + 6HCl (aq) to Al_(2)Cl_(6) (aq) + 3H_(2)(g), Delta_(r)H^(@) = -1004.0 kJ (ii) H_(2)(g) + Cl_(2)(aq) to 2HCl(g) , Delta_(r)H^(@) = -183.9 kJ , Delta_(r)H^(@) = -183.9 kJ (iii) HCl(g) + aq to HCl(aq), Delta_(r)H^(@) = -73.2 kJ Al_(2)Cl_(6)(s) + aq to Al_(2) Cl_(2)(aq) , Delta_(r)H^(@) = -643.0 kJ

What is the equilibrium constant expression for the following reaction ? AI(s) +3H^(+) (aq) hArr AI^(3+) (aq) +3//2 H_(2)(g)

Identify oxidant and reductant in the reaction : I_(2) ("aq") + 2S_(2) O_(3)^(2-) ("aq") 2I^(-) ("aq") + S_(4) O_(6)^(2-) (aq) .