Chapter23: Methyl Stearate From Methyl Oleate
Section: Chapter Questions
Problem 3Q
Related questions
Question
Answer Q34, 35, 36
Transcribed Image Text:(A)
(B) (D)
Which of the following is the most suitable
Questions 27 to 31 concern the lollowing organic
compounds
(A) THOOCCHCHCOOH
(C) CllEN',CI
18.
vessel in which to perfom the experiment?
(A)
(B)
(C)
Conical tlask
Evaporating basin
Glass beaker
Polythene flask
(B) CCHOHCH
CH.CCH
(D)
Seleet from A to D the compound that could
Give a positive iodoform test
19.
The number of moles of silver that would he
0.c6dn3 27.
(A)
00ll
precipitated is
02 Md
(C)
(D)
0.20 x 50.0 S
1000
(A)
0.20 x 50.0 18
28.
Exhibit geometric isomerism
020x500
020x50
(D)
1000x2
(C)
(D)
(B)
React with phenol to give a coloured
(C)
AT
29.
What would be the temperature rise if 25.0
cm of 0.20mol dm of silver nitrate vere used in
20.
compound.
(D)
(B) C)
Haye optical isomers
(C)
React with ammoniacal Copper ti) chloride
lo form a red-brown precipitate.
(C) A)
the experiment? 2 e 6 S
30.
2 2°C (BT4 4C(C) 8.8°C (D) 17.6°C
The enthalpy change AlH (in kInol y for the
reaction given the specifie heat capacity of the
solution as 4.2JcmC- is expressed as
(A)
(A)
(D)
21.
31
(A) (B)
Questions 32and 33 concem on the following
graphs
50.0x4.2XRB
(A1-50.0 x 4.2 x 8.8
SO OND 20
IC) +50.0 x 4,2 x 8.8 (D)
50.0-0.20
On licating, 131g of calcium carbonate gave
22.
0.69g of calcium bxide, CaO.
(Ca=40, C=12, O=16)
CaCOs) CaOs) + CO 8)
The percenlage yield for this reaction is
TA! 567
D1 106 46
Qrestions 23-26 concern I moldm solutions of
A) Lthanoie acid (B) Sodium hydroxide
(CJAmimonia
Select from A to D the substance, which has the
properny indicated
23.
94 52 (C)
56.00
(D)Hydrochloric acid
The solution that has the lowest pFl value
(C) )
The solution which when added to
coppert il) sulphate gives a pale-blue precipitate.
When excess of the solution is added to the
precipitate, a deep blue solution results
(D)
T. nlutire urhich contains the least
(A)
(B)
Select from A to D the graph that
Could be the variation of the concentration
of a reactant with time as the reaction proceeds
24.
32.
(B)
Could represent the variation of pressure
with volume for a given nass of gas at constant
(C)
(D)
(A)
(B)
ses
33.
Tuniber ol hydrogen ons
(B)
(C) (D)
The solution that is a Lewis base
(B)
26.
34.
In the reaction.
Transcribed Image Text:The atomic number of an element is:
Number of electrons in á neutral atom
Number of protons in the nucleus
Numerical position of the element in the
39.
(lir).
+41,0a
Ihe reducmg agent is
(A) Mn (B) Ha) Fen (D) Mn0
Which of the following experimental
Periodic Table
35.
The melting points of magnesium oxide
40.
measure the rate of reaction between Cr.0 and (MgO) and barium oxide (BaO) are 3173 K and
MnO)
2Mnt) + 16Hg) + 50,0
techniques may NOT be conveniently used to (MeO) and barium oxide (BaO) are 3173 K and
and
2196 K respectively. This is because:
in acid medium? The cquation is
Tlhe barium ion is a smaller jon than the
magnesium ion
The molar masses of the oxides are different
Magnesium ton has a high charge density
Teading to some covalent character
41.
methylamine dissolves in water
CH,NH, +H,0 =CH,NII + OH-
Base 1 Acid 2 Acid 1 Base 2
CHNH, is Lewis base
OH is a conjugate base of HyO
CH NH/CH NH, is an acul/tbase conjugate
pair
- 2Mn + 10C0,
+ NII,0
(A) Titration (B) Colorimetry
(C) Dilatometry D) Conductimetry
3
Which of the following equilibrium reactions
The equilibrium below is ohtained when
36.
IS NOT affected by a change in pressure?
2NO = N,04tan)
NO + CO =2 Ne + COe
B.
(3)
(C)
N) + 3He) 2NIIe)
(D)
Question 37 and 38 refer to the electronic
Lontigarations below. Nitrogen has five valence
The clements m the series Se to1
Are callea d-block elements
Are all metals of high melting points
Have an incompletely filled 3d suh-shell
42.
electrons.
Consider
the
followng
electron
2.
with the exception of Cu and Zn
The ionization energy of a hydrogen alom is
Energy jump in the Balmer series
Obtained from the line enission spectrum of
2p
43.
11
2.
hydrogen gas
3.
Obtained at the beginaing of the nti
37. Which epresents the grixtmd tate
nitiogen?
44.
Which of the following statenicus apply to
the ethene (CHa) molecuke
The H-C- H bond angles are tetrahedral
Four electrons are involved in bonding in the
(B) (C)
(D)
Which represents the electron arrangement for
N jon?
(A) AB) (C)
21
carbon-carbon bond
It is planar in shape /
38.
3.
(D)
45.
Instructions for questions 39-47 (NINE questions).
In this section, ONE or MORE of the options given
may be correct. Select your answer by means of the
following code.
IL I and 2 only are correct
If 2 and 3 only are correct
I13 only is correct
le avTHD
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Recommended textbooks for you
EBK A SMALL SCALE APPROACH TO ORGANIC L
Chemistry
ISBN:
9781305446021
Author:
Lampman
Publisher:
CENGAGE LEARNING - CONSIGNMENT
EBK A SMALL SCALE APPROACH TO ORGANIC L
Chemistry
ISBN:
9781305446021
Author:
Lampman
Publisher:
CENGAGE LEARNING - CONSIGNMENT