Third Sequence Lwer Sixth
Third Sequence Lwer Sixth
Third Sequence Lwer Sixth
A B
C D
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B
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b. Give the structure and name of the ozonide and the two carbonyl compounds
formed from the ozonolyis of the compound 4-methylhep-2-ene
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SECTION B INORGANIC CHEMISTRY 20MARKS
1. the change in the stae of the halogens is due to
(A) Increase in electronegativity (B) increase in Van der waal forces (C) increase in Bond enthalpy (D)
increase in hydrogen bonding
2. The dissolution of chlorine in water produces
(A) HCl and H2 (B) HCl and O2 (C) HCl and HOCl (D) HCl and OH
3. If a pale yellow precipitate is observed when acidified Silver nitrate is added to an unknown solution
and the precipitate dissolves in conc ammonia, then the solution contains
(A) Chloride (B) iodide (C) Bromide (D) Fluoride
4. Two acidic oxides of group four include
(A) CO and SiO2
(B) SiO2 and GeO
(C) CO2 and GeO2
(D) CO2 and SiO2
5. The following oxides are acidic, amphoteric and Neutral respectively
(A) SiO2, GeO2 and SiO (B) CO2, GeO and SiO (C) GeO2, SiO2 and PbO2 (D)CO2, SiO2 and PbO
6. The general electronic configuration of halogens is ns2np5
(A) The elements all have a valency of 5 (B) they have a valency of 1 (C) they have five valence
electrons (D) n is their individual group number
7. Complete the following table concerning the Halogens