Class Room Daily Dose Booklet: DDB No: Chemistry - Set 03 Answers and Explanations

 MAGME SCHOOL OF BANKING 

Class Room - Daily Dose Booklet

DDB NO: Chemistry 03

1 (a) isotopes 

2 (c) one proton and one neutron 

3 (c) heavy water 

4 (c) slow neutrons

5 (a) 25% para and 75% ortho 

6 (d) D3PO4

7 (c) both a and b 

8 (b) oxidising 

9 (a) H2O2 

10 (c) +1

11 (d) crimson red

12 (a) increases 

13 (b) electropositive 

14 (d) Cl

15 (c) ns2 (n-1)d1-10

16 (b) 3d-orbital 

17 (b) Calcium

18 (c) divalent

19 (a) Beryllium

20 (b) Apple Green

21 (d) Magnesium

22 (a) Calcium oxide 

23 (b) CaOCl2. H2O 

24 (d) CaSO4. H2O

25 (c) Plaster of paris

26 (a) Magnesium 

27 b) p - block elements 

28 d) ns2 np6

29 a) Bi2O3 

30 a) NH3 

31 b) Na2B4O7 

32 d) ns2np2

33 c) Haber's process 

34 c) covalent 

35 b) basic 

36 c) Various nitrogen compounds 

37 a) Nitrous acid 

38 a) ammonia 

39 c) nitrous oxide + oxygen 

40 c) fullerene 

41 (b) face centred cubic lattice

42 (a) 4 

43 (a) CsCl 

44 (c) 8 unit cells

45 (c) glass 

46 (b) 4 Na atoms 

47 (a) 1 unit cell 

48 (d) 4

49 (b) 2 unit cells 

50 (c) P and V 

51 (b) Above which it can not be liquified by pressure

52 (d)low T and high P

53 (c) The kinetic energy of the molecules decreases

54 (d) 16

55 (c) Oppositely charged ions 

56 (c) KCN 

57 (c) Colligative

58 (a) 1% NaCl solution 

59 (d) Lowering freezing point

60 (a) Potassium sulphate 

61 (b) 0.95 

62 (a) q 

63 (a) volume 

64 (b) combustion reactions 

65 (b) melting

66 (a) reversible 

67 (b) H2(g) + I2(g) ↔ 2HI(g)

68 (a) Kp = Kc(RT) 

69 (b) Increases 

70 (a) partial pressure of CO2 

71 (a) Kp = Kc 

72 (a) rate 

73 (a) rate determining step 

74 (a) an elementary reaction 

75 a) Non-polar Solvents 

76 a) Animal charcoal 

77 b) Simple distillation 

78 a) Simple distillation 

79 a) Fractional distillation 

80 d) both a & c

81 a) Adsorption 

82 a) Adsorption 

83 a) Upwards 

84 a) Extensive catenation 

85 a) CnH2n+2 

86 c) CnH2n 

87 b) CnH2n-2 

88 d) radial

89 c)cyclohexane 

90 b) geometrical isomerism

91 a) diene and dienophile 

92 c) alkadiene 

93 a) sp2 

94 a) H2SO4 

95 a) olefins 

96 d) none of the above.

97 a) ethylene 

98 a) benzenoid compounds 

99 b) Faraday 

100 d) electrophilic substitution reactions

101 c) Huckel 

102 a) 4n + 2 

103 b) Cl+ 

104 a) activating group 

105 c) NO2+ 

106 c) naphthalene 

107 b) benzene 

108 d. C (CH3)3C-OH.

109 b. PCl5 

110 d. Ethylene

111 d. nucleophile

112 (c) polyester 

113 (d) cotton 

114 (a) woolen

115 (c) glass 

116 (a) sodium hydroxide 

117 (a) Concrete

118 (d) Switches 

119 (d) Polythene bags 

120 (c) Sodium hydroxide 

121 (a) Cellulose 

122 (d) Silk

123 (b) Rayon

124 (b) Sheep

125 (c) synthetic fibre

126 (d) Woollen 

127 (b) Glass 

128 (d) Cotton 

129 (d) Silk 

130 (c) Gypsum

131 (a) concrete

132 (c) Wood pulp 

133 b) 3 

134 c)de – Broglie

135 d) λ = h / mv

136 a) 0.529 x 10-8 cm 

137 c)β – particle 

138 b) – 4E

139 c) –2π2me4 / n2h2 

140 d) 2

141 b) sp3d2 

142 a) o-nitrophenol 

143 c) sp3 

144 a) σ1s

145 c) N2 

146 c) G.P.Thomson’s experiment 

147 c) de-broglie wavelength 

148 a) p-orbital 

149 b) sp2 

150 c) sp3d2 

151 c) Hund’s rule 

152 b) 6.6 x 10-24 kg ms-1 

153 c) 3 

154 c) sp3d3

155 d) all of these

156 a) sp3d3 

157 a) Spectroscopic studies 

158 d) 2

159 d) Hydrogen bond

160 a) sp3 

161 a) 1 

162 d) hydrogen fluoride

163 b) sp3d 

164 a) 3 

165 c) 1.54 Ao 

166 b) Increases 

167 a) Z* = Z – S 

168 a) Carbon is having more nuclear charge than boron

169 b) Chlorine 

170 a) Higher ionization energy 

171 d) Noble gases

172 b) Inversely proportional to its size 

173 a) Pauling scale 

174 d) kJ mol-1

175 c) 1.98 Ao 

176 b) s > p > d > f 

177 b) Increases  

178 c) zero

179 c) ionic 

180 c) gold 

181 c) Ge 

182 b) Si

183 c) P2O3 

184 a) P2O3 

185 b) trigonal bipyramidal

186 c) PH3 

187 a) fluorine 

188 b) HF 

189 a) HF 

190 c) 17 

191 d) have stable electronic configuration

192 c) square planar 

193 d) ArF6

194 a) He 

195 a) He 

196 a) ns2np2 

197 c) Ge 

198 c) Thallium

199 c) Thallium

200 b) HF