ঢাকা বিশ্ববিদ্যালয়

  $NaN{O}_{3}anddil.HN{O}_3$

  $Dil.HN{O}_{3}anddil.H_{2}S{O}_4$

  $NaN{O}_{2}anddil.HCl$

  $Cone.HN{O}_{3}andcone.H_{2}S{O}_4$

  $C{H}_{3}OH$

  $C{H}_{3}CH\left(OH\right)C{H}_3$

  $C{H}_{3}C(C{H}_3{)}_{2}OH$

  $C{H}_{3}COC{H}_3$

  2

  1

  4

  5

  Both contain ionic bond

  Both are readily soluble in water

  Both are acidic oxides

  Both have giant molecular structure

  $C{H}_{3}C{H}_{2}C{H}_{2}CHO$

  $C{H}_{3}CH=CHC{H}_{2}OH$

  $C{H}_{3}C{H}_{2}C{H}_{2}C{H}_{2}OH$

  $C{H}_{3}CH\left(OH\right)C{H}_{2}C{H}_3$

  $RC{H}_{2}X$

  $RCOOH$

  $RC{H}_{2}OH$

  $RC{H}_{2}CHO$

  n-Buty 1 bromide

  Isobuty 1 bromide

  2,2-Dibrobutane

  Perbromobutane

  $C{H}_4$

  $C{H}_{3}C{H}_3$

  $C{H}_2=C{H}_2$

  $CH\equiv CH$

  2-methy 1-3 bromopropane

  1 -bromopentane

  2-methy 1-4bromobutane

  1 -bromo -3-methy 1 butane

  $C{H}_{3}CHO$

  $C{H}_{3}COOH$

  $C{H}_{3}C{H}_{2}OOCC{H}_3$

  $C{H}_{3}C{H}_3$

  ionic

  covalent

  coordinate covalent

  all of them

  $250c{m}^3$

  $125c{m}^3$

  $1000c{m}^3$

  $500c{m}^3$

  $C\left(sp\right)+H\left(2s\right)$

  $C\left(s{p}^2\right)+H\left(Is\right)$

  $C\left(s{p}^2\right)+H\left(2p\right)$

  $C\left(s{p}^3\right)+H\left(Is\right)$

  $F{e}_2{O}_3.x{H}_{2}O$

  $FeC{l}_3$

  $F{e}_2{O}_3.2H_{2}O$

  $F{e}_3{O}_4$

  $S{O_3}^{2-}$

  $S_4{O_6}^{2-}$

  $S{O^{2-}}_4$

  $S_2{O^{2-}}_8$

  $N{H_2}^{-}$

  $N{H}_3$

  $C{H}_4$

  $H_{2}O$

  $C{u}^{2+}+4N{H}_3\to \left[Cu\right(N{H}_3{)}_4{]}^{2+}$

  $C{l}_2+2O{H}^{-}\to Cl+Cl{O}^{-}+H_{2}O$

  $N{H}_3+H^{+}\to N{H_4}^{+}$

  $C{a}^{2+}+2F\to Ca{F}_2$

  Te has one electron more in the outermost orbital than I

  Te has one neutron less in the nucleus than I

  Te has one proton less than I

  Te has one proton more than I

  7.14

  26.13

  32.14

  16.34

  $\left[A\right][B{]}^3/[C][D{]}^2$

  $\left[C\right][D{]}^2/[A\left]\right[B{]}^3$

  $\left[A\right]\left[3B\right]/\left[C\right]\left[2D\right]$

  None of the above

  0.01 M NaCl

  0.01 M$C{H}_{3}COOH$

  $0.01MN{a}_{2}C{O}_3$

  $0.01MN{H}_{4}Cl$

  273K

  388.26 K

  934. 26 K

  2058 .46 K

  $9.14\times {10}^{23}$

  $1.88\times {10}^{23}$

  $0.41\times {10}^{23}$

  $0.94\times {10}^{23}$

  high temperature and low pressure

  low temperature and low pressure

  high temperature and high pressure

  low temperature and high pressure

  11.18 s

  111.8s

  1118.0 s

  1.18 min

  NaCl

  Ag$N{O}_3$

  $Cd(N{O}_3{)}_2$

  $ZnS{O}_4$

  1.10 v

  1.80 v

  0.42 v

  0.62 v

  $C{O}_{2}andN{O}_2$

  $C{O}_{2}and{N}_{2}O$

  $C{O}_{2}andCO$

  $N_{2}OandN{O}_2$

  $N{H^{-}}_2$

  $N{H}_3$

  $C{H}_4$

  $H_{2}O$

  1

  2

  5

  10