Chemistry in action Study Materials with Answer
IISER Chemistry - Chemistry in action Study Materials with Answer
Which one of the following is an analgesic?
pencillin
b)streptomycin
c)asprin
d)tetracycline
Bio
IISER Chemistry - Bio-Molecules : Structure and functions and chemistry of some biological Process Sample Questions with Answer
Ripe graphs contain
glucose
b)fructose
c)sucrose
d)maltose
Synthetic and natural polymers Model Questions
IISER Chemistry - Synthetic and natural polymers Model Questions
Caprolactum is used to prepare for which of the following polymer?
Malamine
b)Nylon-6
c)Nylon-66
d)PMMA
Some Important points and on organic chemistry Sample Practice Questions
IISER Chemistry - Some Important points and on organic chemistry Sample Practice Questions
\(CH_{ 3 }CH_{ 2 }COOH\overset { { Cl_{ 2 } }/{ Fe } }{ \longrightarrow } X\overset { alc }{ \underset { KOH }{ \longrightarrow } } Y\) Compound Y is
Ch3CH2OH
b)CH3CH2CN
c)CH2=CHCOOH
d)CH3CHClCOOH
Organic Chemistry Based on Functional Group
IISER Chemistry - Organic Chemistry Based on Functional Group - III Practice Questions
Which one of the following products is obtained on treatment of aniline with nitrous acid?
benzene
b)phenol
c)nitrobenzene
d)benzene diazoniaum salt
Organic Chemistry Based on Functional Group
IISER Chemistry - Organic Chemistry Based on Functional Group - II Sample Questions
Which one of the following acids reduces Tollens' reagent?
acetic acid
b)formic acid
c)carbonic acid
d)hydrochloric acid
Organic Chemistry Based on Functional Group
IISER Chemistry - Organic Chemistry Based on Functional Group - I Model Questions
The order for the acidic strength of 1o, 2o, 3o alcohols, H2O and \(RC\equiv CH\) is
\(RC\equiv CH>{ 3 }^{ o }>{ 2 }^{ o }>{ 1 }^{ o }>{ H }_{ 2 }O\)
b)\({ 1 }^{ o }>{ 2 }^{ o }>{ 3 }^{ o }>{ H }_{ 2 }O>RC\equiv CH\)
c)\({ H }_{ 2 }O>{ 1 }^{ o },{ 2 }^{ o },{ 3 }^{ o }>RC\equiv CH\)
d)\({ 3 }^{ o }>{ 2 }^{ o }>{ 1 }^{ o }>{ H }_{ 2 }O>RC\equiv CH\)
Petroleum Important Questions with Answer
IISER Chemistry - Petroleum Important Questions with Answer
The veriety of coal having the highest percentage of carbon content is
lignite
b)peat
c)anthracite
d)bituminous
Types of Bond Fission, Nature of reagents and preparation Study Materials with Answer
IISER Chemistry - Types of Bond Fission, Nature of reagents and preparation Study Materials with Answer
A mixture of butane,ethylene and dimethyl acetylene is passed through acidified permanganate solution.The gas that comes out is
butane
b)dimethyl acetylene
c)a mixture of butane and ethylene
d)a mixture of all compounds
Introduction to organic chemistry Sample Practice Questions
IISER Chemistry - Introduction to organic chemistry Sample Practice Questions
Isomers of a substance must have the same
structural formula
b)chemical properties
c)molecular mass
d)physical properties
Coordination compounds and organometallics Sample Questions
IISER Chemistry - Coordination compounds and organometallics Sample Questions
The oxidation state of Pt [(en)H2O)4(NO2)Cl]2+ is
+2
b)+4
c)+6
d)-4
Transition metals including lanthanides and actinides Sample Questions with Answer
IISER Chemistry - Transition metals including lanthanides and actinides Sample Questions with Answer
For the process\(Cu\quad (g)\rightarrow { Cu }^{ + }\quad (g)+e\), the electron is removed from
3d-subshell
b)4s-subshell
c)3p-subshell
d)any one of the above
Chemistry of s and p
IISER Chemistry - Chemistry of s and p-Block elements Practice Questions
\(KO_2\) is used in space and submarines because it
absorbs \(CO_2\) and increases \(O_2\)
b)absorbs moisture
c)absorbs \(CO_2\)
d)produce ozone
Chemistry of Heavier Metals Sample Questions with Answer
IISER Chemistry - Chemistry of Heavier Metals Sample Questions with Answer
Which one of the following is the outer electronic configuration of an element belonging to the d-block of the periodic table ?
ns2np1
b)(n-1)d2ns2
c)ns2np6
d)ns2np2
Chemistry of Lighter Metals Important Questions with Answer
IISER Chemistry - Chemistry of Lighter Metals Important Questions with Answer
The formula of carnalite is
KCl.MgCl2.6H2O
b)K2SO4.MgCl2.6H2O
c)K2SO4.MgSO4.6H2???????O
d)K2SO4.MgSO4CaSO4.6H2O
Chemistry Of Non
IISER Chemistry - Chemistry Of Non-Metals - I Sample Practice Questions
A hydrocarbon (C5H8) cannot have
two double bonds
b)one double bond
c)one triple bond
d)double as well as triple bond
Chemistry Of Non
IISER Chemistry - Chemistry Of Non-Metals - II Practice Questions
Which one of the following halogens has the highest electron affinity?
Fluorine
b)Chlorine
c)Bromine
d)Iodine
Elements, Their Occurrence and Extraction Model Questions
IISER Chemistry - Elements, Their Occurrence and Extraction Model Questions
Which one of the following is not a method of concentraction of metals?
Gravity separation
b)Froth floatation process
c)Electromagnetic separation
d)Smelting
S.I. Units, Significant Figures, Equivalent Mass, Atomic Mass, Mole Concept And Chemical Calculations Sample Practice Questions
IISER Chemistry - S.I. Units, Significant Figures, Equivalent Mass, Atomic Mass, Mole Concept And Chemical Calculations Sample Practice Questions
The hydrogen phosphate of certain metal has formula MHPO4. The formula of metal chloride would be
MCl
b)MCl2
c)M2Cl2
d)MCl3
Purification And Characteristics of Organic Compounds Sample Questions with Answer
IISER Chemistry - Purification And Characteristics of Organic Compounds Sample Questions with Answer
The empirical formula of a compound is CH2, 1 mole of the compound has mass 14 g.its moleculer formula is
CH2
b)C2H4
c)C3H8
d)C3H6
Nuclear Chemistry Study Materials with Answer
IISER Chemistry - Nuclear Chemistry Study Materials with Answer
Which of the radioactive isotopes is used for temperature control in blood disease?
P-32
b)H-3
c)Rn-223
d)I-131
Adsorption and Colloids Model Questions
IISER Chemistry - Adsorption and Colloids Model Questions
Which of the following electrolytes will have maximum coagulating value for AgI/Ag+ sol?
Na2S
b)Na3PO4
c)Na2SO4
d)NaCl
Rates of Chemical Reactions and Chemical Kinetics Sample Practice Questions
IISER Chemistry - Rates of Chemical Reactions and Chemical Kinetics Sample Practice Questions
For a unimolecular reaction
the molecularity and order of a reaction is one
b)the molecularity of the reaction is one while their order is zero
c)two reacting species are involved in the rate determining
d)the molecularity and order of the slowest step of the reaction is equal to one
Solutions Practice Questions
IISER Chemistry - Solutions Practice Questions
How many grams of H2SO4 is to be dissolved to prepare 200 mL aqueous solution having concentration of H3O+ ions is 1 M at 25o C temperature ?
19.6 g
b)0.98 g
c)4.9 g
d)9.8 g
Oxidation and Reduction Sample Questions
IISER Chemistry - Oxidation and Reduction Sample Questions
In the reaction \({ 2I }^{ - }+{ Cl }_{ 2 }\longrightarrow { I }_{ 2 }+2C{ l }^{ - }\) the reductant is
I-
b)Cl2
c)I2-
d)Cl-
Electrochemistry Model Questions
IISER Chemistry - Electrochemistry Model Questions
The standard electrode potentials for the reactions,
\({ Ag }^{ + }(aq)+{ e }^{ - }\longrightarrow Ag(s)\) \({ S }n^{ 2+ }(aq)\ +\ 2{ e }^{ - }\longrightarrow Sn(s)\) at \({ 25 }^{ \circ }C\) are 0.80 V and -0.14 V, respectively.
The emf of the cell, \(Sn\ |\ { S }n^{ 2+ }(1M)\ ||\ Ag^{ + }(1M)\ |Ag\ \) is
0.48 V
b)0.80 V
c)1.08 V
d)0.94 V
Ionic Equilibrium in Aqueous Solution Sample Questions with Answer
IISER Chemistry - Ionic Equilibrium in Aqueous Solution Sample Questions with Answer
The solubility product of mercurous chloride is 1.0*10-18 mol3 l-3. The solubility of the compound in formula weight per litre is about
10-18
b)10-12
c)10-6
d)10-4.5
Chemical Equilibrium Important Questions with Answer
IISER Chemistry - Chemical Equilibrium Important Questions with Answer
Ice and water are in equilibrium at 273K, which of the following statement is correct?
\(G_{(ice)} > G_{({H_2O})}\)
b)\(G_{(ice)}< G_{(H_2O)}\)
c)\(G_{(ice)}=G_{(H_2O)}=0\)
d)\(G_{(ice)}=G_{(H_2O)}\ne0\)
Energetics Sample Practice Questions
IISER Chemistry - Energetics Sample Practice Questions
Given \(\Delta H\) = 177.9 kJ and \(\Delta S\) = 160.4 kJ mole-1 for the reaction. \(Ca{ CO }_{ 2 }(s)\rightarrow Cao(s)+{ CO }_{ 2 }(s)\) at 298 K; the free energy change per mole for the above reaction would be
- 4.90 kJ
b)+ 4.90 kJ
c)+ 130.1 kJ
d)- 130.1 kJ
States of Matter Model Questions
IISER Chemistry - States of Matter Model Questions
A compound formed by elements A and B crystallises in the cubic structure, where A atoms are at the corners of a cube, while B atoms are at the face ventres. the formula of the compound would be?
AB
b)AB2
c)AB3
d)NONE OF THESE
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