Ill Kossel-Lewis Approach to (c) a pair of electron~ is <;ontributed by one
ind sh~red by both the atoms
Chemical Bonding (d) a pair of electrons is transferred to the
1. The electronic c;onfigµra.tion of ftn1r atoms a:r~ given atom,
ip. hra1;;;k~ts : 8. Which of the following molecules contains cov
p (l,52 2s2 Jp 1); Q (hi 2s2- 2p5,)
and G.Qordinate bonds?
R (l,5i 2,si 2pQ j~l );, s {l$i 2.$i 2pi)
{a) CC14 (b)
., H ~n
- -~~Y1
Th~ dem~nt th~t w(ntld mo~t r~~e:lUy form a {e) N~Cl (d) Mg(OH)i
d.iatomi~ mol~c.ul~ i~
(a) P (b) Q (c) R (cl) S 9. Which of the following shows the Lewi~ dot form
2. Two el~ment§ P ~n<:J. Q ~ombin.~ tQ form c:\ 1or CO?
C
, i·
.. ..
( a·)/ :Q:•c•:A: (b) ~Q;i;::6:
com,_pQ\!!Hl. If P ha~ J ~nd Q 6 @l@~tnm~ iA . _,·• ' - ' ·V . ·
th~t!" 0'1t~:rfllo.s.t sh~U~ what will b€1 forIP\,l,la of th~ (C), •A••c ·
- ·o· · ·•
•Yti'- ~-- ! •.-:·• · (d) :g:c:g:
~gm~Q\U'!d form~df
10. How m~mr and what ty}l~$ of bond~ axe prt1s~
(a) PQ (b) P~Q (~} PiQ3 (d) PQi NH+-?
. 4.
3. How many ntJ.mb~r o.f ~l~Gtr-Qn~ am inv9lv@d in th@ • (a) ·fm1r <:;{)Val@nt bond~
Qf a. ,µitrQg~n rno.lec1.d~~ (b) Three '-OV~leftt ho.flds and one iQ.nk bond
(a) nu~~ (b) FQlU' (~) Eight (cl) s~ (e;) Foqr lonl~ b9nds
4. A pair Qf ~l~~tr-()ns. pr~~~nt b~tw@@n twtl id@fttkal (d) Thr~e ~Qva.l~nt bond$ ~md gne ~Qordi.nate b
non .,,Ql~ta.ls 11. What ii th~ form~l ~harg~ on t;arbon atom in
(a) ~s, mift~d. tg gn~ of th~ ~tom§ following twQ ~tru~tur~s.
(b) is shared equ~lly b~tween th~m,
(c) und~rso~s addition r~actions ir ·· ¢c'
s.
( c\), have same spin,
ln whic;h of th~ follQwing moJccu,les ~ct~t rule !§ not
[..,.. /c,...a~,~
,O
,
f9,l!E)w~d? fo) o~
=4 (b} Q, o
(a) NH 3 (b) CH 4 (c;) CO 2 (d.} NQ (~}
. ,
+2
A
= 2- · ( d) +-l, l
6. Iv. a c;-Qv~J~11t bon.cl f"Qfma.tto,n,, 12
· Am.-~n.g the following the e~ceptions of the oc
(~). t.rn.R&for o.f deqtmn~ tak@~ pla.~@ .ru1_el$
(b) equ<JJ s.ha.rtp~ Qf ekC.tron.~ h~tween. twQ a.to.ms
tak~s ,plc\Qe (:) th~ i~cgm.pl~te-Q~t~t of centrnl atom ·
( c;;), el~QtfQ:n,s. s.har~d by Que at@ro o,n.ly ( · ) an odd I\\unl>er of ele~tr(')n& on central atom
(d) ele~tro.rn, are clo,;1~t~d by Qne a.tqm ~nd shared
~c) ~xpa~ded. oe,t~t of th~ c~ni~zj·~~Qnt ·· ---
(d) all of th~se,
by bq.th a.t9m.~.
Du,ring a, ,o,Q.rdtnat~ b,o,ng fl>,rmattQn.,
7.
(a) one electron fro~ an atom is transferr~d to
EB Ionic or Electrovalent Bond
other 13. Tw,o elements X d y .
(b) one electron each is lost from both the atorns
XY u a.q cornbm,e to form a compoun
b . . Qder wha.t COQgiitions the bond forme
etween them. will be 1· • ., .
Olllc~
ind sh~red by both the atoms
Chemical Bonding (d) a pair of electrons is transferred to the
1. The electronic c;onfigµra.tion of ftn1r atoms a:r~ given atom,
ip. hra1;;;k~ts : 8. Which of the following molecules contains cov
p (l,52 2s2 Jp 1); Q (hi 2s2- 2p5,)
and G.Qordinate bonds?
R (l,5i 2,si 2pQ j~l );, s {l$i 2.$i 2pi)
{a) CC14 (b)
., H ~n
- -~~Y1
Th~ dem~nt th~t w(ntld mo~t r~~e:lUy form a {e) N~Cl (d) Mg(OH)i
d.iatomi~ mol~c.ul~ i~
(a) P (b) Q (c) R (cl) S 9. Which of the following shows the Lewi~ dot form
2. Two el~ment§ P ~n<:J. Q ~ombin.~ tQ form c:\ 1or CO?
C
, i·
.. ..
( a·)/ :Q:•c•:A: (b) ~Q;i;::6:
com,_pQ\!!Hl. If P ha~ J ~nd Q 6 @l@~tnm~ iA . _,·• ' - ' ·V . ·
th~t!" 0'1t~:rfllo.s.t sh~U~ what will b€1 forIP\,l,la of th~ (C), •A••c ·
- ·o· · ·•
•Yti'- ~-- ! •.-:·• · (d) :g:c:g:
~gm~Q\U'!d form~df
10. How m~mr and what ty}l~$ of bond~ axe prt1s~
(a) PQ (b) P~Q (~} PiQ3 (d) PQi NH+-?
. 4.
3. How many ntJ.mb~r o.f ~l~Gtr-Qn~ am inv9lv@d in th@ • (a) ·fm1r <:;{)Val@nt bond~
Qf a. ,µitrQg~n rno.lec1.d~~ (b) Three '-OV~leftt ho.flds and one iQ.nk bond
(a) nu~~ (b) FQlU' (~) Eight (cl) s~ (e;) Foqr lonl~ b9nds
4. A pair Qf ~l~~tr-()ns. pr~~~nt b~tw@@n twtl id@fttkal (d) Thr~e ~Qva.l~nt bond$ ~md gne ~Qordi.nate b
non .,,Ql~ta.ls 11. What ii th~ form~l ~harg~ on t;arbon atom in
(a) ~s, mift~d. tg gn~ of th~ ~tom§ following twQ ~tru~tur~s.
(b) is shared equ~lly b~tween th~m,
(c) und~rso~s addition r~actions ir ·· ¢c'
s.
( c\), have same spin,
ln whic;h of th~ follQwing moJccu,les ~ct~t rule !§ not
[..,.. /c,...a~,~
,O
,
f9,l!E)w~d? fo) o~
=4 (b} Q, o
(a) NH 3 (b) CH 4 (c;) CO 2 (d.} NQ (~}
. ,
+2
A
= 2- · ( d) +-l, l
6. Iv. a c;-Qv~J~11t bon.cl f"Qfma.tto,n,, 12
· Am.-~n.g the following the e~ceptions of the oc
(~). t.rn.R&for o.f deqtmn~ tak@~ pla.~@ .ru1_el$
(b) equ<JJ s.ha.rtp~ Qf ekC.tron.~ h~tween. twQ a.to.ms
tak~s ,plc\Qe (:) th~ i~cgm.pl~te-Q~t~t of centrnl atom ·
( c;;), el~QtfQ:n,s. s.har~d by Que at@ro o,n.ly ( · ) an odd I\\unl>er of ele~tr(')n& on central atom
(d) ele~tro.rn, are clo,;1~t~d by Qne a.tqm ~nd shared
~c) ~xpa~ded. oe,t~t of th~ c~ni~zj·~~Qnt ·· ---
(d) all of th~se,
by bq.th a.t9m.~.
Du,ring a, ,o,Q.rdtnat~ b,o,ng fl>,rmattQn.,
7.
(a) one electron fro~ an atom is transferr~d to
EB Ionic or Electrovalent Bond
other 13. Tw,o elements X d y .
(b) one electron each is lost from both the atorns
XY u a.q cornbm,e to form a compoun
b . . Qder wha.t COQgiitions the bond forme
etween them. will be 1· • ., .
Olllc~
