A compound X gives a lilac flame. When its aqueous solution is added to silver nitrate solution a cream precipitate that does not dissolve in dilute ammonia but does dissolve in concentrated ammonia is produced. Compound X is
potassium bromide
1 of 5
In a titration, the mean titre of a 0.123 mol dm−3 solution of sodium hydroxide was 24.45 cm3. The amount (in moles) of sodium hydroxide in the mean titre was
3.01 × 10−3
2 of 5
What is the colour of methyl orange at the end point of a titration in which an alkali is added to an acid?
orange
3 of 5
Which anions that contain chlorine are produced when chlorine gas is passed into cold, dilute sodium hydroxide solution?
ClO–, Cl–
4 of 5
group 1 carbonates
dont decompose
5 of 5
Other cards in this set
Card 2
Front
In a titration, the mean titre of a 0.123 mol dm−3 solution of sodium hydroxide was 24.45 cm3. The amount (in moles) of sodium hydroxide in the mean titre was
Back
3.01 × 10−3
Card 3
Front
What is the colour of methyl orange at the end point of a titration in which an alkali is added to an acid?
Back
Card 4
Front
Which anions that contain chlorine are produced when chlorine gas is passed into cold, dilute sodium hydroxide solution?
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