Question
CO2 and SO2 both are triatomic molecules but there is a big difference in their dipole moment, why?
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Arrange the following elements in the increasing order of non-metallic character. Give reason.
B, C, O, N, F
B, C, O, N, F
Calculate pH of 0.1 M solution of $HCOONH _4$, if $pK _{ a }$ of $HCOOH =3.6$ and $pK _{ b }$ of $NH _4 OH =4.8$.
→Define oxidaiton number.
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→In a reaction
A + B2 → AB2
Identify the limiting reagent, if any, in the following reaction mixtures.
300 atoms of A + 200 molecules of B.
A + B2 → AB2
Identify the limiting reagent, if any, in the following reaction mixtures.
300 atoms of A + 200 molecules of B.
Which of the following is strongest acid?
$\text{HCl},\text{HClO}_3,\text{HNO}_3,\text{H}_2\text{SO}_4,\text{HClO}_4$
→$\text{HCl},\text{HClO}_3,\text{HNO}_3,\text{H}_2\text{SO}_4,\text{HClO}_4$
Balance the following reaction by ion electron method (half-reaction method).
$MnO _4^{-}( aq )+ H ^{+}( aq )+ Fe ^{2+}( aq ){+ H _2 O (l)}{\longrightarrow} Mn ^{2+}( aq )+Fe ^{3+}( aq )$
→$MnO _4^{-}( aq )+ H ^{+}( aq )+ Fe ^{2+}( aq ){+ H _2 O (l)}{\longrightarrow} Mn ^{2+}( aq )+Fe ^{3+}( aq )$
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What is the difference between extensive and intensive properties? Explain.