What will the conjugate bases for the following Bronsted acids:
HF , H2SO4 HCO3 - and NH4 +
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What will the conjugate acids for the following Bronsted bases? NH2- , NH3 and HCOO-
NH2- , NH3 and HCOO-
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What is the conjugate acid and conjugate base of HCO3 - ion ?
Conjugate acid is H2CO3 a conjugate acid is CO3 2-
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Explain with an example that strong acids have very weak conjugate bases and a strong base have a very weak conjugate acid.
HCl + HOH --------> Cl- + H3O+ CH3COOH + HOH --------> CH3COO- + H3O+ HCl is strong acid but chloride ion is a weak base similarly CH3COOH is weak acid but CH3COO-...
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What is the difference between conjugate acid and the conjugate base.
These differ from each other by proton. Acid ----------> Conjugate base + proton Base ------------> Conjugate acid+ proton
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classify the following as strong acids, strong bases and weak acids, weak bases:
P= weak base , Q=Strong acid, R=weak acid S= strong base , T= Strong acid , U=strong base
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Indicate whether the following compounds are Arrhenius , Bronsted or Lews acids and bases:
NH3(g) = Lewis base, CH3COOH(aq)= Arrhenius acid , CO2(g), BF3 ,Ag+ = Lewis acid and HCO3 -1 is a Bronsted acid.
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Four species: H2O HCO3 -1 HSO4 -1 and NH3 can act as both Bronsted acids and bases.
H2O =Conjugate acid -H3O+ ; Conjugate base -OH HCO3 -1 =Conjugate acid –H2O+ ; Conjugate base -OH
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Why is Group V of qualitative analysis, sufficient NH4 OH solution be added before adding (NH4)2 CO3 solution?
This is done to convert NH4 HCO3 usually present in large amounts along with (NH4)2 CO3 to (NH4) 2 Co3 NH4 HCO3 +NH4OH_------> (NH4 )CO3 H2O
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Differentiate between strong and weak acids. Identify the strong and weak acids from the following list of acids :
Acids which ionize completely in aqueous solution-strong acids. Acids which ionize partially in aqueous solution-weak acids Hydrochloric acid, nitric acid-strong acid Acetic acid, formic acid-weak acid
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Acids are the substances which turn blue litmus solution red and are sour in taste. There are different types of acids like mineral acids,
(i) The acids which are obtained from plants and animals are called organic acids. Citric acid is obtained from the lemon. Vinegar contains acetic acid. (ii) Concentrated acids are very hot when they...
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