2016 NEET Chemistry Solved Paper

1
www.zigya.com
Previous Year Paper Chemistry - 2016
2
Chemistry NEET 2016
Exam Year 2016
Study, Assignments, Solved Previous Year Papers .
Questions and Answers. Free Forever.

• Multiple Choice Questions
• The addition of a catalyst during a chemical
  reaction alters which of the following quantities
  ? Internal energy
• Enthalpy Activation energy Entropy
• Answer
• Predict the correct order among the following.
• long pair-lone pairgt bond pair-bond pairgt lone
  pairgtbond pair bond pair-bond pairgt lone
  pair-bond pair gt lone pair -lone pair lone pair
  -bond pair gt bond pair- bond pairgt lone pair
  -lone pair lone pair - lone pair gt lone
  pair-bond pair gt bond pair -bond pair
• Answer
• Two electrons occupying the same orbital are
  distinguished by Magnetic quantum number
• Azimuthal quantum number Spin quantum number
  Principal quantum number
• Answer
• The electronic con?guration of Eu (Atomic no.63),
  Gd (Atomic no. 64) and Tb (Atomic no. 65) are
• Xe4f6 5d1 6s2, Xe 4f7 5d1 6s2 and Xe 4f9
  6s2
• Xe 4f6 5d1 6s2 , Xe 4f7 5d1 6s2 and Xe 4f8
  5d1 6s2 Xe 4f7 6s2, Xe 4f7 5d1 6s2 and Xe
  4f9 6s2
• Xe 4f7 6s2,Xe 4f8 6s2 and Xe 4f8 5d1 6s2
  Answer
• Which one of the following characteristics is
  associated with adsorption? ?G, ?H and ?S all
  are negative
• ?G and ?H are negative but ?S is positive ?G and
  ?S are negative but ?H is positive ?G is
  negative but ?H and ?S are positive
• Answer

Like. Share. Bookmark. Download. Make Notes.
Print - Your Favourite Questions. Join
www.zigya.com
3
Chemistry NEET 2016
Exam Year 2016
Study, Assignments, Solved Previous Year Papers .
Questions and Answers. Free Forever.

• The H-O-H bond angle in H2O is larger than the
  H-C-H bond angle in CH4.
• The H-O-H bond angle in H2O is smaller than the
  H-N-H bond angle in NH3. The H-C-H bond angle in
  CH4 is larger than the H-N-H bond angle in NH3
• The H-C-H bond angle in CH4, the H-N-H bond angle
  in H2O are all greater than 90.
• Answer
• The correct thermodynamic conditions for the
  spontaneous reaction at all temperatures is ?Hgt
  0 and ? Slt 0
• ?Hlt 0 and ?S gt 0
• ?H ?S gt0
• ?H lt 0 and ?S0
• Answer
• In which of the following options the order of
  arrangement does not agree with the variation of
  the property indicated against it?
• BltCltNltO (increasing ?rst ionisation enthalpy)
  IltBrltClltF(increasing electron gain enthalpy)
  LiltNaltKltRb (increasing metallic radius)
• Al3 lt Mg2ltNaltF-(increasing ionic size) Answer
• Equal moles of hydrogen and oxygen gases are
  placed in a container with a pin-hole through
  which both can escape. What fraction of the
  oxygen escapes in the time required for one-half
  of the hydrogen to escape?
• 1/4
• 3/8
• 1/2
• 1/8
• Answer

Like. Share. Bookmark. Download. Make Notes.
Print - Your Favourite Questions. Join
www.zigya.com
4
Chemistry NEET 2016
Exam Year 2016
Study, Assignments, Solved Previous Year Papers .
Questions and Answers. Free Forever.
11. Consider the following liquid-vapour
equilibrium
Which of the following relations is correct?

• Answer
• The correct statement regarding the comparison of
  staggered and eclipsed conformations of ethane is
  The eclipsed conformation of ethane is more
  stable than staggered conformation because
  eclipsed conformation has no torsional strain
• The eclipsed conformation of ethane is more
  stable than staggered conformation even though
  the eclipsed conformation has torsional strain
• The staggered conformation of ethane is more
  stable than eclipsed conformation because
  staggered conformation has no torsional strain
• The staggered conformation of ethane is less
  stable than eclipsed conformation, because
  staggered conformation has torsional strain.
• Answer
• Which of the following statement about hydrogen
  is incorrect? Hydrogen never acts as cation in
  ionic salts
• Hydronium ion, H O exist freely in solution
• 3
• Dihydrogen does not act as a reducing agent
• Hydrogen has three isotopes of which tritium is
  the most common Answer
• The pair of an electron in the given
  carbanion, is present in which orbital?
• sp3
• sp2 sp 2p
• Answer

Like. Share. Bookmark. Download. Make Notes.
Print - Your Favourite Questions. Join
www.zigya.com
5
Chemistry NEET 2016
Exam Year 2016
Study, Assignments, Solved Previous Year Papers .
Questions and Answers. Free Forever.

• When copper is heated with conc. HNO3 it produces
• Cu(NO3)2 and NO Cu(NO3)2, NO and NO2 Cu(NO3)2
  and N2O Cu(NO3)2 and NO2
• Answer
• A 100C the vapour pressure of a solution of 6.5 g
  of a solute in 100 g water is 732 mm. If Kb
  0.52, the boiling point of this solution will be
• 100C
• 102C
• 103C
• 101C
• Answer
• Match the compounds given in column I with the
  hybridization and shape given in column II and
  mark the correct option.

Column I Column I Column I Column II Column II Column II
A.XeF6 A.XeF6 A.XeF6 1.Distorted octahedral 1.Distorted octahedral 1.Distorted octahedral
B.XeO3 B.XeO3 B.XeO3 2.Square planar 2.Square planar 2.Square planar
C.XeOF4 C.XeOF4 C.XeOF4 3.Pyramidal 3.Pyramidal 3.Pyramidal
D.XeF4 D.XeF4 D.XeF4 4.Square pyramidal 4.Square pyramidal 4.Square pyramidal
A B C D
1
2 4 3
A B C D
4
3 1 2
A B C D
Like. Share. Bookmark. Download. Make Notes.
Print - Your Favourite Questions. Join
www.zigya.com
6
Chemistry NEET 2016
Exam Year 2016
Study, Assignments, Solved Previous Year Papers .
Questions and Answers. Free Forever.
4 1 2 3
A B C D
1 3 4 2 Answer 18. Match items of Columns I with
the items of Columns II and assign the correct
code.
Column I Column I Column I Column I Column I Column I Column II
A.Cyanide process A.Cyanide process A.Cyanide process A.Cyanide process A.Cyanide process A.Cyanide process 1.Ultrapure Ge
B. Froth ?oatation process B. Froth ?oatation process B. Froth ?oatation process B. Froth ?oatation process B. Froth ?oatation process B. Froth ?oatation process 2.Dressing of ZnS
C.Electrolytic reduction C.Electrolytic reduction C.Electrolytic reduction C.Electrolytic reduction C.Electrolytic reduction C.Electrolytic reduction 3.Extraction of Al
D.Zone re?ning D.Zone re?ning D.Zone re?ning D.Zone re?ning D.Zone re?ning D.Zone re?ning 4.Extraction of Au
5.Puri?cation of Ni
A B C D
2
3 1 5
A B C D
1 2 3 4
A B C D
3 4 5 1
A B C D
4 2 3 1 Answer 19. Which is the correct statement
for the given acids? Phosphinic acid is a
monoprotic acid while phosphonic acid is a
diprotic acid. phosphinic acid is a diprotic
acid while phosphonic acid is a monoprotic acid
Like. Share. Bookmark. Download. Make Notes.
Print - Your Favourite Questions. Join
www.zigya.com
7
Chemistry NEET 2016
Exam Year 2016
Study, Assignments, Solved Previous Year Papers .
Questions and Answers. Free Forever.

• Both are triprotic acids
• Both are diprotic acids Answer
• Which one of the following statements is correct
  when SO2 is passed through acidi?ed K2Cr2O7
  solution? The solution is decolourized
• SO2 is reduced
• Green Cr2(SO4)3 is formed The solution turns
  blue
• Answer
• The product obtained as a result of a reaction of
  nitrogen with CaC2 is CaCN
• CaCN3
• Ca2CN Ca(CN)2
• Answer
• Fog is a colloidal solution of Gas in liquid
• Solid in gas Gas in gas Liquid in gas
• Answer
• Which one of the following orders is correct for
  the bond dissociation enthalpy of halogen
  molecules? Cl2gtBr2gtF2gtI2
• Br2gtI2gtF2gtCl2 F2gtCl2gtBr2gtI2 I2 gtBr2gtCl2gtF2
• Answer
• Lithium has a bcc structure. Its density is 530
  kg m-3 and its atomic mass is 6.94 g mol-1.
  Calculate the edge length of a unit cell of
  lithium metal. (N 6.02 x 1023 mol-1).
• A
• 352pm 527pm 264pm 154pm

Like. Share. Bookmark. Download. Make Notes.
Print - Your Favourite Questions. Join
www.zigya.com
8
Chemistry NEET 2016
Exam Year 2016
Study, Assignments, Solved Previous Year Papers .
Questions and Answers. Free Forever.

• Answer
• Which of the following statements about the
  composition of the vapour over an ideal 11 molar
  mixture of benzene and toluene is correct?
  Assume that the temperature is constant at 25C.
• (Given, vapour pressure data at 25C benzene
  12.8 kPa, toluene 3.85 kPa) The vapour will
  contain a higher percentage of toluene
• The vapour will contain equal amounts of benzene
  and toluene Not enough information is given to
  make a prediction
• The vapour will contain a higher percentage of
  benzene Answer
• The rate of a ?rst-order reaction is 0.04 mol
  L-1s-1 at 10 sec and 0.03 mol-1L-1 s-1 at 20 sec
  after initiation of the reaction. the half-life
  period of the reaction is
• 34.1 s
• 44.1 s
• 54.1 s
• 24.1 s Answer
• The ionic radii of A and B- ions are 0.98 x
  10-10 m and 1.81 x10-10 m. The coordination
  number of each ions in AB is
• 4
• 8
• 2
• 6
• Answer
• Which of the following has longest C-O bond
  length? (free C-O bond length in CO is 1.128 A)
• Co(CO) -

Like. Share. Bookmark. Download. Make Notes.
Print - Your Favourite Questions. Join
www.zigya.com
9
Chemistry NEET 2016
Exam Year 2016
Study, Assignments, Solved Previous Year Papers .
Questions and Answers. Free Forever.
HClO3ltHClO4ltHClO2ltHClO Answer 30. The pressure of
H2 required to make the potential of H2-electrode
zero in pure water at 298 K is 10-12 atm 10-10
atm 10-4 atm 10-14 atm Answer 31. Which of the
following biphenyls is optically active?
Answer 32. The correct statement regarding the
basicity of arylamines is Arylamines are
generally more basic than alkylamines because the
nitrogen lone pair electrons are not delocalized
by interaction with the aromatic ring pi-electron
system Arylamines are generally more basic than
alkylamines, because of aryl group Arylamines are
generally more basic than alkylamines because the
nitrogen atom in arylamines is sp-hydridized.
Like. Share. Bookmark. Download. Make Notes.
Print - Your Favourite Questions. Join
www.zigya.com
10
Chemistry NEET 2016
Exam Year 2016
Study, Assignments, Solved Previous Year Papers .
Questions and Answers. Free Forever.
Arylamines are generally less basic than
alkylamines because the nitrogen lone pair
electrons are delocalized by interaction with
aromatic ring pi-electron system. Answer 33. For
the following reactions,
i) CH3 CH2 CH2Br KOH --gt CH3CHCH2 KBr H2O
ii)
iii)
(i) is elimination reaction, (ii) is substitution
reaction, and (iii) is addition reaction. (i) is
elimination reaction, (ii) is addition reaction,
(iii) is substitution reactions. (i) is
substitution, (ii) addition reaction (iii) is
addition reactions (i) and (ii) are elimination
reactions and (iii) is addition reaction.
Answer 34. The reaction
Can be classi?ed as Alcohol formation reaction
Dehydration reaction Williamson alcohol synthesis
reaction Williamson ether synthesis
reaction Answer 35. The correct statement
regarding a carbonyl compound with a hydrogen
atom on its alpha -carbon, is a carbonyl
compound with a hydrogen atom on its alpha
-carbon rapidly equilibrates with its
corresponding enol and this process is known as
aldehyde-ketone equilibration.
Like. Share. Bookmark. Download. Make Notes.
Print - Your Favourite Questions. Join
www.zigya.com
11
Chemistry NEET 2016
Exam Year 2016
Study, Assignments, Solved Previous Year Papers .
Questions and Answers. Free Forever.

• a carbonyl compound with a hydrogen atom on its
  alpha-carbon rapidly equilibrates with its
• corresponding enol and this process is known as
  carbonylation
• a carbonyl compound with a hydrogen atom on its
  alpha-carbon rapidly equilibrates with its
  corresponding enol and this process is known as
  keto-enol tautomerism
• a carbonyl compound with a hydrogen atom on its
  alpha carbon never equilibrates with its
  corresponding enol
• Answer
• In a protein molecule various amino acids are
  linked together by ß-glycosidic bond
• peptide bond dative bond
• a - glycosidic bond Answer
• Which of the following is an analgesic?
  Penicillin
• Streptomycin Chloromycetin Novalgin
• Answer
• Natural rubber has
• All trans-con?guration
• Alternate cis and trans con?guration Random cis
  and trans con?guration All cis con?guration
• Answer
• Which of the following reagents would distinguish
  cis-cyclopenta-1-,2-diol from the trans isomer?
  Ozone
• MnO2
• Aluminium isopropoxide Acetone
• Answer

Like. Share. Bookmark. Download. Make Notes.
Print - Your Favourite Questions. Join
www.zigya.com
12
Chemistry NEET 2016
Exam Year 2016
Study, Assignments, Solved Previous Year Papers .
Questions and Answers. Free Forever.
Mg2 ions are important in the green parts of
plants Mg2 ions form a complex ATP Answer 41.
In the reaction,

• X and Y are
• X2-butyne Y 3-hexyne X2-butyneY2-hexyne
  X1-butyne Y 2-hexyne X1-butyne Y 3-hexyne
• Answer
• Consider the nitration of benzene using mixed
  conc. H2SO4 and HNO3. If a large amount of KHSO4
  is added to the mixture, the rate of nitration
  will be
• slower
• uncharge doubled faster
• Answer
• The correct statement regarding RNA and DNA,
  respectively is
• The sugar component in RNA is ribose and sugar
  component in DNA is 2' deoxyribose The sugar
  component in RNA is arabinose and the sugar
  component in DNA is ribose
• The sugar component in RNA is 2'-deoxyribose and
  the sugar component in DNA is arabinose The
  sugar component in RNA is arabinose and the sugar
  component in DNA is 2' deoxyribose.
• Answer
• Which one given below is a non - reducing sugar?
  Lactose
• Glucose Sucrose Maltose
• Answer
• The product formed by the reaction of an aldehyde
  with a primary amine is

Like. Share. Bookmark. Download. Make Notes.
Print - Your Favourite Questions. Join
www.zigya.com
13
Chemistry NEET 2016
Exam Year 2016
Study, Assignments, Solved Previous Year Papers .
Questions and Answers. Free Forever.
Ketone Carboxylic acid Aromatic acid Schi?
base Answer
Like. Share. Bookmark. Download. Make Notes.
Print - Your Favourite Questions. Join
www.zigya.com