1) short answer question a- H2SO4 is a monoprotic , diprotic or triprotic acid (

Question

1) short answer question

a- H2SO4 is a monoprotic , diprotic or triprotic acid ( CHOOSE ONE)

B- The oxidation number of H in NaH is -2,-1 , 0 ,+ 1 , +2 ( CHOOSE ONE)

c-  the halogen displacement reaction I2+2KCl----2KI+Cl2

will happen , will not happen ( CHOOSE ONE)

NOte: Cl2 is a more powerful oxidizing agent than I2

D- Predict the products and balance the reaction below

CaCO3+HNO3 ----

e- An unknown substance has sour taste and an equeous solution of this  substance  changes the red litmus paper to blue . It this unknown substance an acid , a base or a neutral substance ?

f- the metal displacement reaction : Zn +MgSO4---ZnSO4+Mg

will happen , will not happen ( CHOOSE ONE)

NOte: Zn is below Mg in activity series

g- HCl  is a weak acid , a strong acid , a weak base , a strong base ( CHOOSE ONE)

h- the reaction HF(aq) --- H^+ (aq) + F (aq) indicates that : HF is a strong aciud , HF is a weak base , is a weak electrolyte ( CHOOSE ONE)

Explanation / Answer

a) diprotic

b)-1

c)does not happen

d)CaCO3 + 2HNO3 --> Ca(NO3)2 + CO2 + H2O

e)base

f)does not happen

g)strong acid

h)weak electrolyte

Related Questions

Navigate

• Browse (All)
• Browse 1
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.