TEST SERIES FOR AIPMT (HALF SYLLABUS) - Career Point

Q.51 Which of the following compounds is covalent ?
(1) Ba(NO3)2 (2) MgSO4
(3) BeF2 (4) CaO
Q.52 Which of the following compounds is a peroxide ?
(1) MnO2 (2) SnO2
(3) BaO2 (4) SiO2
Q.53 When hydrated MgCl2.6H2O is strongly heated then -
(1) MgO is formed
(2) anhydrous MgCl2 is formed
(3) Mg(OH)HCl is formed
(4) Mg(OH)Cl is formed
Q.54 Anhydrous AlCl3 produces fumes in the air because
of -
(1) dimerization (2) hydrolysis
(3) oxidation (4) dissociation
Q.55 The mercury (I) ion usually exists as
(1) [Hg–Hg] + (2) [Hg–Hg] 2+
(3) Hg + (4) Hg 2+
Q.56 Zn reacts with concentrated NaOH solution to
produce -
2–
(1) ZnO and H2 2
2–
(2) ZnO and H2
4
2–
(3) ZnO and O2
2–
(4) ZnO only
2
Q.57 The metals of group 12 are relatively soft as
compared to other transition metals because -
(1) they possess half-filled d orbitals
(2) their d electrons participate in forming metallic
bonds
(3) they have low ionization energies
(4) their d electrons do not participate in forming
metallic bonds
Q.58 Expansion of octet explains the formation of -
2–
6
2–
6
(1) PbCl (2) Pb ( OH)
2
2–
6
(3) Sn ( OH)
(4) all of these
Q.59 The IUPAC name for Ba[BrF4]2 is -
(1) barium bromofluoride (III)
(2) barium bis [tetrafluorobrominate (III)]
(3) barium bis (tetrafluorobromate) (V)
(4) barium tetrafluorobromate (III)
CHEMISTRY
Q.51 fuEu esa ls dkSulk lgla;kstd ;kSfxd gS \
(1) Ba(NO3)2 (2) MgSO4
(3) BeF2 (4) CaO
Q.52 fuEu eas ls dkSulk ;kSfxd ijkWDlkbM gS \
(1) MnO2 (2) SnO2
(3) BaO2 (4) SiO2
Q.53 tc tyh; MgCl2.6H2O dks izcyrk ls xeZ fd;k
tkrk gS] rc -
(1) MgO curk gS
(2) futZy MgCl2 curk gS
(3) Mg(OH)HCl curk gS
(4) Mg(OH)Cl curk gS
Q.54 fuEu esa ls fdl dkj.k] futZy AlCl3 , ok;q esa /kwe cukrk
gS -
(1) f}Ykdhdj.k (2) ty-vi?kVu
(3) vkWDlhdj.k (4) fo;kstu
Q.55 lkekU;r;k edZjh (I) vk;u fdl :Ik esa jgrk gS -
(1) [Hg–Hg] + (2) [Hg–Hg] 2+
(3) Hg + (4) Hg 2+
Q.56 Zn, lkUnz NaOH foy;u ds lkFk fØ;k djds nsrk gS
CAREER POINT, CP Tower, Road No.1, IPIA, Kota (Raj.), Ph: 0744-3040000 Page # 12
-(1)
2–
ZnO 2 o H2
2–
(2) ZnO4 o H2
2–
2
2
ZnO 2
–
(3) ZnO o O2 (4) dsoy
Q.57 oxZ 12 dh /kkrq,¡ vis{kkd`r vU; laØe.k /kkrqvksa ls
e`nq gksrh gS D;ksafd -
(1) buesa v)Ziqfjr d-d{kd gksrk gS
(2) blds d-bysDVªkWu /kkfRod ca/k cukus es iz;qDr gksrs gS
(3) bldh vk;uu ÅtkZ,¡ de gksrh gS
(4) blds d-bysDVªkWu] /kkfRod ca/k cukus esa iz;qDr ugha
gksrs
Q.58 v"Vd dk izlkj fuEu esa fdlds fuekZ.k dks le>krk gS -
2–
(1) PbCl 6
2–
(2) Pb ( OH)
6
2–
(3) Sn ( OH)
(4) mijksDr lHkh
6
Q.59 Ba[BrF4]2 dk IUPAC uke gS -
(1) csfj;e czkseksyksjkbM (III)
(2) csfj;e fcl [VsVªkyksjksczksehusV (III)]
(3) csfj;e fcl (VsVªkyksjksczksesV) (V)
(4) csfj;e VsVªkyksjksczksesV (III)