What is the correct IUPAC name for NO\(_{2} ^{-}\)?
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2,505 questionsWhen sulphur (IV) oxide is passed into a solution of sodium hydroxide for a long time, it eventually produces a solution of
A concentrated solution containing H\(^+\), Cu\(^{2+}\), OH\(^-\) and Cl\(^-\) was electrolyzed using platinum electrodes.
The ion that will be discharged at the cathode is?
2H\(_2\) + O\(_2\) → 2H\(_2\)O ΔH = - 571kJ
In the equation above, how much heat will be liberated if 12.0g of hydrogen is burnt in excess oxygen?
In which of the following reactions can the oxidation number of the nitrogen be said to have increased?
When iron is exposed to moisture and it rusts, the value of ΔG for the reaction is
Phenolphthalein in acidic solution is
Which of the following ions require the largest quantity of electricity for discharge at an electrode?
Which of the following equimolar solutions will have the highest pH?
The IUPAC nomenclature of the compound above is
In the experiment above, X is a mixture of nitrogen, carbon (IV) oxide and
In the production of soap, concentrated sodium chloride solution is added to
Alkanol + Alkanoic acid ⇌ Ester + Water
The reverse reaction above is known as
C\(_2\)H\(_5\)OH(aq) → Y
If the above reaction takes place in conc. H\(_2\)SO\(_4\) at 180\(^0\)C, Y represents
CH\(_3\)COOH(g) → CH\(_4\)(g) + CO\(_2\)(g)
The reaction above is
Vulcanization involves the removal of
Which of these reagents can confirm the presence of a triple bond?
A characteristic of the alkane family is
An isomer of C\(_5\)H\(_{12}\) is
The alkyl group can be represented by the general formula