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dkbZ&3 bdkbZ&3 ¼rRoksa ¼rRoksa dk dk oxhZdj.k oxhZdj.k oxhZdj.k ,oa ,oa xq.kksa xq.kksa esa esa vkorZrk½ vkorZrk½ (Atomic Structure and Chemical Bonding) 1 1 vad vad okys okys okys iz'u iz'u 1 ,dk flyhdkWu dk nwljk uke gS ----------- The other name for Eka–silicon is ............ 2 fuEu dks vkdkj ds vk/kkj ij c
The increasing order of size will be– (a) Al +3 < Mg +2 < Na + (b) Na + < Mg +2 < Al +3 (c) Al +3 < Na +1 < Mg +2 (d) Mg +2 < Al +3 < Na +1 7 fuEu rRoksa esa ls fdldk vk;uu foHko lokZf/kd gS& (a) Na (b) Mg (c) C (d) F Which one out of the following has highest ionization potential– (a) Na (b) Mg (c) C (d) F 8 fuEu esa dkSu&lk rRo lokZf/kd _.k fo|qrh gS& (a) F 2 (b) Cl 2 (c) Br 2 (d) I 2 Which element among following is highest electro (–)ve (a) F 2 (b) Cl 2 (c) Br 2 (d) I 2 9 fuEu esa ls dkSu&lk rRo lokZf/kd _.k fo|qrh gS& (a) O 2 (b) Cl 2 (c) N 2 (d) F 2 Highest electro (–)ve element among the following will be– (a) O 2 (b) Cl 2 (c) N 2 (d) F 2 10 vkorksZa esa ijek.kq Øekad c
Page 1 and 2: ikB~;Øe ikB~;Øe jlk;u jlk;u 'kkL=
Page 3 and 4: 5 fLFkj vuqikr fu;e ds LFkkid Fks&
Page 5 and 6: 17 6.023 x 1023 fdlh Hkh nzO; ds ,d
Page 7 and 8: cgqfodYih; cgqfodYih; iz'uA iz'uA b
Page 9 and 10: According to Aufbau principle elect
Page 11 and 12: 18 Cr rRo dk bySDVªkfud foU;kl ---
Page 13: iz'u&37 fdlh rRo dk ijek.kq Øekad
Page 17 and 18: 22 Li ,oa Mg rFkk Be vkSj Al ds xq.
Page 19 and 20: iz'u&35 fdlh vkorZ esa rFkk lewg es
Page 21 and 22: c
Page 23 and 24: 19 vk/kqfud vkorZ lkfj.kh fuEu esa
Page 25 and 26: iz'u&31 gkbMªkstu cU/k ds dkj.k ;k
Page 27 and 28: 2 O rFkk H dk ?kuRo vuqikr 16:1 gS
Page 29 and 30: Evaporation of water should come un
Page 31 and 32: iz'u&27 ,oksxsMªks fu;e dks ifjHkk
Page 33 and 34: iz'u&42 ije 'kwU;] ije rki ,oa NTP
Page 35 and 36: 8 mRØe.kh; vfHkfØ;k ds fy;s lkE;
Page 37 and 38: fjDr fjDr fjDr LFkkuksa LFkkuksa dh
Page 39 and 40: In measuring �U and �H for calc
Page 41 and 42: If �H f ° = 3400 cal/mol, then c
Page 43 and 44: cgqfodYih; cgqfodYih; iz'uA iz'uA b
Page 45 and 46: 12 Kc dh bdkbZ gS& (a) ¼eksy izfr
Page 47 and 48: 22 mRØe.kh; jklk;fud vfHkfØ;kvksa
Page 49 and 50: Differentiate among concept of acid
Page 51 and 52: In oxidation state there is- (a) Ga
Page 53 and 54: In the froth floating process parti
Page 55 and 56: iz'u&7 fo|qr jklk;fud lSy dk ukekaf
Page 57 and 58: iz'u&19 xkayd fdl dgrs gS\ bldk pqu
Page 59 and 60: 5 H 2 O, H 2 S, H 2 Se rFkk H 2 Te
Page 61 and 62: Explain the structure of H 2 O 2 wi
Page 63 and 64: (b) Na 2 SO 4 dh ty;kstu ÅtkZ tkyd
Page 65 and 66:
Give labelled diagram for soda amon
Page 67 and 68:
iz'u&31 f}rh; lewg ds rRoks dks {kk
Page 69 and 70:
fjDr fjDr LFkkuks LFkkuks dh dh iwf
Page 71 and 72:
In any group atomic mass increase g
Page 73 and 74:
Describe electrolytic method for ge
Page 75 and 76:
In elements of group-14, on coming
Page 77 and 78:
4 4 4 ,oa ,oa ,oa 5 5 5 vad vad oky
Page 79 and 80:
2 ftu nzo inkFkksZ ds DoFkukad fHkU
Page 81 and 82:
8 isij ØksesVksxzkQh }kjk jaxks dk
Page 83 and 84:
16 dsfj;l uyh esa CH 2 ClCOOH dks l
Page 85 and 86:
4 4 4 ,oa ,oa ,oa 5 5 5 vad vad oky
Page 87 and 88:
iz'u&43 fuEu dks izsj.k izHkko ds v
Page 89 and 90:
4 C H O ds }kjk fdru izdkj ds vYdks
Page 91 and 92:
iz'u&14 esØksekWyhD;wy D;k gksrs g
Page 93 and 94:
(c) vkblksizhu ls ikWyhvkblksizhu (
Page 95 and 96:
Pollutants are said- (a) CO 2 , SO
Page 97 and 98:
5 cgqydksa ds izdkjksa esa ls dkSu&
Page 99:
18 FkSfyd ,flM dk jklk;fud lw= ----
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