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Question: 1
Q (6)<div>(A) Define salts types of salts and differentiate between normal acids and basic acid?</div><div>(B) Complete and balance the following equation?</div><div>1:Aluminium+ hydrochloride</div><div>2: Copper oxide+ sulphuric acid</div><div>3: farric chloride+ sodium hydroxide</div>
Answer: 1
1-28<p class="MsoNormal">Part (A)</p>
<p class="MsoNormal"><b>Salt:<o:p></o:p></b></p>
<p class="MsoNormal"> Salts are ionic compound generally formed by the neutralization
of an of acid with the base.</p>
<p class="MsoNormal"><b>Types of salts:<o:p></o:p></b></p>
<p class="MsoNormal"><b> </b>Normal
salta Acidic salts</p>
<p class="MsoNormal">
Basic salts
Double salts</p>
<p class="MsoNormal">
Mixed salts
Complex salts</p>
<p class="MsoNormal">Normal Salts:</p>
<p class="MsoNormal"> A salt form
by the complete replacement of innizable -H- inn of an acid by a positive metal
ion or NH4+ ion is called normal or neutral or litmus.</p>
<p class="MsoNormal"><b>Chemical reaction</b>:</p>
<p class="MsoNormal"> HCL +KOH _________ KCL+H2O</p>
<p class="MsoNormal"> H²
SO4 _________
ZnSO4+H2O</p>
<p class="MsoNormal"> H3PO4+3NaOh _________
Na3PO4+3H2O</p>
<p class="MsoNormal">
HNO3 +NH4OH _________ NH4NO³ +H2O</p>
<p class="MsoNormal"><b>Acidic salts:<o:p></o:p></b></p>
<p class="MsoNormal"> These are formed
by partical replacement of a replaceable H+ ion of an acid by a positive metal ion .</p>
<p class="MsoNormal"><b>Reaction:<o:p></o:p></b></p>
<p class="MsoNormal"><b> H</b>²O4+KOH __________
KCL+H2O</p>
<p class="MsoNormal"> H3PO4+
NaOH ___________ NaH2PO4+H2O</p>
<p class="MsoNormal">These salts turn blue litmus red.Acidic salts react with
bases to form normal salts.</p>
<p class="MsoNormal"> KHSO4+KOH ___________
K2 SO4+H2O</p>
<p class="MsoNormal"> Nah2+ PO4+2NaOH ___________ Na3PO4+2H2O</p>
<p class="MsoNormal"><b>Basic salts:<o:p></o:p></b></p>
<p class="MsoNormal"> Basic salts are
formed by the incomplete neutralization of a polyhydroxy base by an acid.</p>
<p class="MsoNormal"><b>Reaction:<o:p></o:p></b></p>
<p class="MsoNormal"><b></b>AL (OH)3 +
HCL __________ AL ( OH )2 CL+H2O</p>
<p class="MsoNormal"> Pb (OH)2+
CH3COOH __________ PNb(OH) CH3COO+H2O</p>
<p class="MsoNormal">Zn (OH)2+HNO3
__________ Zn (OH) NO3+H2O</p>
<p class="MsoNormal"><b>Chemical reaction:<o:p></o:p></b></p>
<p class="MsoNormal"> These salts further react with
acids to form normal salts.</p>
<p class="MsoNormal"> AL (OH)2 CL+HCL
_________ AL(OH)2 CL+H2O</p>
<p class="MsoNormal">AL(OH) CL2+HCL _________ ALCL3+H2O</p>
<p class="MsoNormal">
Pb (OH)CH3COO+CH3COOH _________ Pb(CH3COO)+H2O </p>
<p class="MsoNormal"> Zn(OH) NO3+HNO3 _________ Zn (NO3)2+H2O</p>
<p class="MsoNormal"><b>Part (B)<o:p></o:p></b></p>
<p class="MsoNormal"><b> Aluminium+Hydrochloride:<o:p></o:p></b></p>
<p class="MsoNormal"> Aluminium+
hydrochloride________ Aluminium
chloride+hydrogen</p>
<p class="MsoNormal"> 2AL+6HC ___________
2ALCL3+3H2<b><o:p></o:p></b></p>
<p class="MsoNormal"><b>Copper oxide+sulphuric acid:<o:p></o:p></b></p>
<p class="MsoNormal">Copper oxide+ sulphuric acid _________ copper
sulphate +water</p>
<p class="MsoNormal">CuO+H2SO4 ___________ Cu SO4+H2O</p>
<p class="MsoNormal"><b>Ferric Chloride + Sodium hydroxide:<o:p></o:p></b></p>
<p class="MsoNormal"><b></b>Ferric+sodium
hydroxide ___________ ferric hydroxide+sodium chloride</p>
<p class="MsoNormal">FeCL3+3NaOH
___________ Fe (OH)3+3NaCL</p>
<p class="MsoNormal"><o:p></o:p></p>
<p class="MsoNormal"><o:p></o:p></p>
<p class="MsoNormal"><b></b></p>
<p class="MsoNormal"><o:p></o:p></p>
<p class="MsoNormal"><o:p></o:p></p>
<p class="MsoNormal"> <span style="font-family:"MS Mincho";mso-bidi-font-family:"MS Mincho""><o:p></o:p></span></p>
<p class="MsoNormal"><b></b></p>
<p class="MsoNormal"><b></b></p>
<p class="MsoNormal"><o:p></o:p></p>