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EmSAT Achieve Exam  >  EmSAT Achieve Tests  >  EmSAT Chemistry Mock Test- 5 - EmSAT Achieve MCQ

EmSAT Chemistry Mock Test- 5 - EmSAT Achieve MCQ


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30 Questions MCQ Test - EmSAT Chemistry Mock Test- 5

EmSAT Chemistry Mock Test- 5 for EmSAT Achieve 2024 is part of EmSAT Achieve preparation. The EmSAT Chemistry Mock Test- 5 questions and answers have been prepared according to the EmSAT Achieve exam syllabus.The EmSAT Chemistry Mock Test- 5 MCQs are made for EmSAT Achieve 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for EmSAT Chemistry Mock Test- 5 below.
Solutions of EmSAT Chemistry Mock Test- 5 questions in English are available as part of our course for EmSAT Achieve & EmSAT Chemistry Mock Test- 5 solutions in Hindi for EmSAT Achieve course. Download more important topics, notes, lectures and mock test series for EmSAT Achieve Exam by signing up for free. Attempt EmSAT Chemistry Mock Test- 5 | 50 questions in 120 minutes | Mock test for EmSAT Achieve preparation | Free important questions MCQ to study for EmSAT Achieve Exam | Download free PDF with solutions
EmSAT Chemistry Mock Test- 5 - Question 1
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The type of vitamins we require daily are

Detailed Solution for EmSAT Chemistry Mock Test- 5 - Question 1

Vitamins are essential for body for normal growth and health. There are two types of vitamins fat soluble and water soluble. Fat soluble vitamins are stored in the body while water soluble can’t stored. Therefore, water soluble vitamins like vitamin B-complex and vitamin C are required daily.

EmSAT Chemistry Mock Test- 5 - Question 2
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The correct statement regarding hydrgen is 

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Hydrogen have + 1 and -1 oxidation state. This is the correct statement regarding hydrogen.

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EmSAT Chemistry Mock Test- 5 - Question 3
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Aromatic hydrocarbons shows mostly

Detailed Solution for EmSAT Chemistry Mock Test- 5 - Question 3

Aromatic hydrocarbons although contains double bond but they do not undergo addition reactions. They undergo electrophilic substitution reaction like nitration, sulphonation, halogenation etc. It is due to the presence of n electron clouds above and below the plane of aromatic hydrocarbon, the ring serves as a source of electrons therefore an electrophile attack the ring.

EmSAT Chemistry Mock Test- 5 - Question 4
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The compound which cannot be formed is
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He2 cannot be formed because He is a monoatomic gas and it can be represented as He. After removing one electron it becomes He+ and after removing both the electrons it becomes He+2.

EmSAT Chemistry Mock Test- 5 - Question 5
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In gas equation PV = n RT the incorrect statement is
Detailed Solution for EmSAT Chemistry Mock Test- 5 - Question 5

In gas equation PV = nRT, P and V represent pressure and volume of one mole of gas, respectively and n is the number of moles of gas. Hence, the incorrect statement is n is the number of molecules of gas.

EmSAT Chemistry Mock Test- 5 - Question 6
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In graphite the electrons are
Detailed Solution for EmSAT Chemistry Mock Test- 5 - Question 6

In the structure of graphite, electrons are spread out between the structure. In graphite carbon atom is sp2 hybridised and has a delocalised π-electron cloud.

EmSAT Chemistry Mock Test- 5 - Question 7
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Primary amine reacts with carbon di sulphide in presence of excess of mercuric chloride and produce isothiocyanate. This reaction is known as
Detailed Solution for EmSAT Chemistry Mock Test- 5 - Question 7

Primary amine and carbon disulphide on heating with mercuric chloride produce isothiocyanate.This reaction is known as mustard oil reaction.

EmSAT Chemistry Mock Test- 5 - Question 8
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Which of the following reacts with chloroform and base to form phenyl isocyanide.
Detailed Solution for EmSAT Chemistry Mock Test- 5 - Question 8

Aniline, chloroform and KOH reacts to produce phenyl isocyanide.

This reaction is known as carbylamine reaction.

EmSAT Chemistry Mock Test- 5 - Question 9
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Chlorine and ethyl alcohol reacts to produce
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EmSAT Chemistry Mock Test- 5 - Question 10
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The most stable compound is
Detailed Solution for EmSAT Chemistry Mock Test- 5 - Question 10

The electronegative character of halogens is
F > Cl > Br > I
Therefore, F is the most electronegative atom among halogens.
Among alkali metals the electropositive character increases in the order
Li < Na < K < Rb < Cs
Therefore, LiF is the most stable compound.

EmSAT Chemistry Mock Test- 5 - Question 11
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The density of chlorine relative to air is
Detailed Solution for EmSAT Chemistry Mock Test- 5 - Question 11
Clhas a molecular mass of 71 g. And molecular mass of Air is 29 g .
Relative density of chlorine =( Mass of chlorine/ Volume of chlorine) / (Mass of air/ Volume of air )
Volume of any gas at STP = 22.4 l Relative density of chlorine = (71 / 22.4 ) / (29/22.4)
Relative density of chlorine = 2.44 
EmSAT Chemistry Mock Test- 5 - Question 12
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Which of the following has the highest mass ?
EmSAT Chemistry Mock Test- 5 - Question 13
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How many moles of electrons wieght one kilogram ?
EmSAT Chemistry Mock Test- 5 - Question 14
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10 mL of gaseous hydrocarbon on combustion gives 40 mL of (g) and 50 mL of (vap.).The
hydrocarbon is
EmSAT Chemistry Mock Test- 5 - Question 15
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Normality of 1% solution is nearly
EmSAT Chemistry Mock Test- 5 - Question 16
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0.7 g of is dissolved in 10 mL of water, 20mL of which required 19.8 mL of 0.1 N HCl. The value of x is
EmSAT Chemistry Mock Test- 5 - Question 17
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The energy of the second Bohr orbit of the hydrogen atom is –3.41 eV. The energy of the third Bohr orbit of the ion will be
EmSAT Chemistry Mock Test- 5 - Question 18
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The energy of an electron in the first Bohr orbit of H-atom is –13.6 eV. The possible energy values(s)
of the excited state(s) for electrons in Bohr orbits of hydrogen is (are)
EmSAT Chemistry Mock Test- 5 - Question 19
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The number of nodal planes in a orbital is
EmSAT Chemistry Mock Test- 5 - Question 20
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The ratio of time periods in first and second orbits of hydrogen atom is
EmSAT Chemistry Mock Test- 5 - Question 21
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The sub-shell that comes after f-sub-shell is called g-sub-shell. The number of g-sub orbitals in g-sub shell and the total number of orbitals in the principal orbital respectively are
EmSAT Chemistry Mock Test- 5 - Question 22
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The e/m for positive rays in comparison to cathod rays is
EmSAT Chemistry Mock Test- 5 - Question 23
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If n and l are respectively the principal and azimuthal quantum numbers, then the expression for calculating total number of electrons in any energy level is
Detailed Solution for EmSAT Chemistry Mock Test- 5 - Question 23

If n and l are principal and azimuthal quantum numbers respectively, then the expression for calculating the total number of electrons in any energy level is 

EmSAT Chemistry Mock Test- 5 - Question 24
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The law of triads is applicable to
EmSAT Chemistry Mock Test- 5 - Question 25
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Mendellev’s periodic table is upset by the fact that
EmSAT Chemistry Mock Test- 5 - Question 26
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Name the two elements that are liquid at ordinary temperature
EmSAT Chemistry Mock Test- 5 - Question 27
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Traid-I
Traid-II Choose the species of lowers IP from traid-I and the species of highest IP from traid-II respectively
EmSAT Chemistry Mock Test- 5 - Question 28
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Arrange the elements with the following electronic configurations in increasing order of electron affinity     
               

EmSAT Chemistry Mock Test- 5 - Question 29
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The IUPAC name of the compound
EmSAT Chemistry Mock Test- 5 - Question 30
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The IUPAC name of the compound
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