AQA A LEVEL Chemistry with verified solutions.

AQA bAS bChemistry b b




bINORGANIC
b




Cl2 b+ b2I- b—> b2Cl- b+ bI2
Study bonline bat bhttps://quizlet.com/_69tzn0
1. Write bthe bsimplest bionic
b b b b b b b b b



b b b




bequation bfor bwhen
b b b




bchlo- brine bwater breacts
b b b b




bwith baq bpotassium
b b b




biodide bsoluion
b b




2. Define bperiodicity b A bREPEATING bpattern/trend bfor ball bperiods bof
b b b b b b




physical/chemical bproperties b




3. for bgroupb2,bwhat
b b b As byoubgo bdown ba bgroup, breactivity
b b b b b b




bhappensb
b to breactivity b b bINCREASESb
b because batomic bradius b b b




band bwhy?
b b bincreases, bweaker bEFA band belectron beasier
b b b b b b




bto bremove
b b




4. Colour bof bfluorine b b pale byellow bgas
b b




5. colour bof bchlorine b b pale bgreen bgasb b




6. Colour bof bbromine b b Br2 b’ bBrowny borange
b b b




bandb
b bromide b bliquidb
b Br- b’ bionsbYellow b b b b




bsolution
b




7. Colour bof biodine bsolid b b b Black

8. which bis bthe bbest b b b Fluorine
boxidis-b
b ing bagent bof b b b Most belectronegative belement b(smallest bsize,
b b b b




bgroup b7? bWhy?
b b b bleast bshells band bshielding) btherefore beasily
b b b b b b




bgainsb
b electrons b




9. which bis bthe bstrongest iodide bions b b b b




bre- b
b ducing bagent bof bthe Highest bionic bradius, bmost bshells band
b b b b b b b b b




bhalideb
b ions?bWHY? bshielding,b
so bleast bEFA btherefore bmore beasily
b b b b b b b b b




bloses belec- btrons b b b




10. Define bdisproportionation b The bsimultaneous boxidation band breduction bof bthe
b b b b b b b b




same bspecies b




11. howbtobtestbfor
b b b




bammoniumb
b compounds b




1 b/ b



b11
b

, AQA bAS bChemistry
b b




bINORGANIC
b




b(include
b b beq)
Study bonline bat bhttps://quizlet.com/_69tzn0
b b b




2 b/b



b11
b

, AQA bAS bChemistry b b




bINORGANIC
b




b
Study
12. bTest bonline bat bhttps://quizlet.com/_69tzn0
bfor bsulfatesb
b

b
b b




b(includeb
b eq) b




13. What bis ban bexception b b b Mg, bis bMUCH blower bthan bexpected bbecause bof
b b b b b b b




bforb
group b2 bmelting
b b b b bab
b structural bdifference bcompared bto bother
b b b b b




bpoints
b bgroup b2 bmetals
b b b




Ba b(2+) b(aq) b+ bSO4 b(2-) b(aq) b--> bBaSO4
b b b b b b b b




14. Write bionic bequation b b




bforb
formation bof
b b b




bBaSO4
b
b
b (s)bH+ b(aq) b+ bOH- b(aq) b--> bH2O b(l)
b b b b b b b b




15. Write bthe bionic b b




bequation bfor ba
b b b




bneutralisation breac-
b b




tion.
b b




16. Define breducing bagent b b •Readily bdonates belectrons b b




•Substance bthat bis boxidised b b b




17. Define boxidizing bagent b b something bthat bremoves belectrons bfrom bsome- b b b b b




thing belse band bitself bis breduced
b b b b b




18. Why bdoes bgroup b4 bhave
b b b b
b b ductivity bacross ba bperiod b b b




bthebhighestbmelting
21. what btype bof bmetal barebgroup b4
b b b




bpoint?
b b b b b b




belements
b




b




19. Describe bmelting b




bpointb
b across ba bperiod b b b




20. Describe belectrical bcon- b b




3 b/ b



b11
b