SMART INSTITUTE CHEMISTRY FLP

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SMART INSTITUTE CHEMISTRY QUIZ

Welcome to the SMART INSTITUTE CHEMISTRY FLP! Test your knowledge of chemistry concepts, from organic reactions to periodic trends. This quiz features 56 carefully crafted questions designed to challenge students, educators, and chemistry enthusiasts alike.

Multiple choice format
Covers a wide range of chemistry topics
Instant feedback on answers

56 Questions14 MinutesCreated by ExploringElement3

69-In a given period of periodic table, the element with the lowest first ionization energy is always

An alkaline earth metal

An alkali metal

A halogen

A noble gas

70-Alkanes mainly undergo .......... reactions

Free radical

Ionic elimination

Electrophilic addition

Nucleophilic addition

71-Which one is mostly likely to give SN1 reaction

CH3CH2CH2CH2Br

(CH3)2CHCH2Br

CH3CH2CHBrCH3

(CH3)3CBr

72-The compound on oxidation gives a ketone. The original compound is

Tertiary alcohol

Secondary alcohol

Primary alcohol

Carboxylic acid

73-Which one of the following compounds will be most readily attacked by an electrophile?

Phenol

Benzene

Nitrobenzene

Chlorobenzene

74-An organic compound 'X' on treatment with acidified K2Cr2O7 gives a ketone which reacts with I2 (iodine) and sodium hydroxide to form triiodomethane. The compound 'X' is

CH3CH(OH)CH3

CH3COCH3

CH3CHO

CH3OH

75-Aldehydes and ketones are carbonyl compounds. Which of them reacts with NaBH4 and also with Fehling's reagent

Ketones only

Aldehydes only

Both aldehydes and ketones

Never aldehydes nor ketones

76-Which of the following orders of relative strength of acids is correct

ClCH2COOH>FCH2COOH >BrCH2COOH

ClCH2COOH>BrCH2COOH >FCH2COOH

BrCH2COOH>ClCH2COOH>FCH2cooh

FCH2COOH>ClCH2COOH>BrCH2COOH

77-Bonds present in NH4Cl is

Electrovalent and covalent bonds

Electrovalent and coordinate covalent bonds

Covalent and coordinate bonds

Electrovalent bond, covalent and coordinate covalent bond

78-Phosphorus sulphide is burnt completely to produce P2O5 and SO2. How many moles of oxygen gas are needed to burn half mole of P4S3? P4S3 + 8O2 .........> 2P2O5 + 3SO2

80-If water is present on a cup placed on a table, what will be the system in this case?

Water

Water in cup

Whole table

All of these

82-Kinetic energy is the sum of

Rotational & vibrational

Rotational, vibrational and translation

Translation & rotational

All of these

83-In NaCl crystal, chloride ions present at the face center are distributed in

One unit cell

4 unit cells

8 unit cells

2 unit cells

84-Actual yield is less than theoretical yield due to

Operational losses

Side reaction

Reaction reversibility

All of these

85-Legume and collagen protein are present in which type of body tissues

Cardiac

Connective

Epithelial

Epidermis

86-The increase in size of an anion is due to increase in repulsion of

Electron-proton

Electron-electron

Electron-nucleus

Proton-nucleus

88-The order of reaction for which half-life is inversely proportional to the concentration of reaction is

Second order

First order

Zero order

Third order

89-A liquid crystalline state exists between two temperatures I.e melting temperature and .....temperature

Boiling

Clearing

Freezing

All of these

90-Plasma 'the fourth state of matter was identified by

Berzelius

Dalton

William Crooks

Rutherford

91-Acetaldehyde undergoes polymerization with conc.H2SO4 and form.........?

Acetylides

Paraldehyde

Bakelite

Meta acetaldehyde

92-There are just only a few stable compounds, formed by noble gases like

XeF2

XeO3

XeOF2

All of these

93-Who attributed the deviation of real gases from ideal behaviour?

Boyle's law

Avogadro's law

Charles's law

Van der Waals

94-An electron in an atom is completely described by its

2 quantum numbers

4 quantum numbers

Only one quantum number

3 quantum numbers

96-The properties of liquid crystals are intermediate b/w crystals and

Anisotropic liquids

Isotropic liquids

Nematic liquids

Liquids

97-Fractions of crude petroleum can be obtained by using ....?

Destructive distillation

Vacuum distillation

Fractional distillation

Distillation

102-If uncertainty in momentum of electron is zero, the uncertainty in its position would be....?

Less than zero

One

More than zero

Infinite

103-From which of the following ketone can be prapared?

Propyne

Ca Acetate

Secondary alcohol

All of these

104-On which of the following factors Hydration Energy depends

Charge to size ratio

Polarization power of cations

Polarizability of anions

All of these

105-The crude petroleum is separated in fraction by

Filtration

Steam distillation

Fractional distillation

Fractional sublimation

106-Distillation of calcium acetate and calcium formate produces?

Formaldehyde

Acetaldehyde

Acetone

None of these

107-After the hydrolysis of ester, the change in concentration of acid at different intervals is calculated by

Transition with KMnO4

Distillation

Titration with standard alkali

Evaporation

109-Which of the following ester give Jasmine Flavour?

Ethyl acetate

Octyl acetate

Amyl butyrate

Benzyl acetate

112-The rate of diffusion of a gas having molar mass 16 as compared to H2 gas will be

6 times

One fourth

4 times

One eight

113-In electrolysis of NaNO3 , Na+ is

Discharged at anode

Do not discharge

Discharge at cathode

None of these

114-In one second if the concentration changes from 0.1 to 0.25 then the rate will be

0.02 moles/dm3s^-1

0.03 moles/dm3s^-1

0.15 moles/dm3s^-1

0.11 moles/dm3s^-1

115-Enzymes which bring about exchange of functional group is called .........

Oxidoreductase

Hydrolases

Ligase

Transferases

116-Lighter the oxidation state of metal more will be ....?

Acidity of metal

Polarization power

Basicity of metal

None of these

118-The order of size of 's' orbital is as fellows

4s<3S<2s<1s

4s>3s>2s>1s

Constant

None of these

119-Among halogens Iodine is solid at room temperature while Br2 is liquid and Cl.F are gases at room temperature, why?

Due to stronger dipole forces

Due to stronger london forces

Due to polarity

Due to stronger debye forces

121-Current in electrolysis is carried through

Free electrons

Negative ions

Positive ions

Both negative and positive ions

122-The substance that is attached to the enzyme at specific place and converted into product is called as?

Co-factor

Active site

Iso-zyme

Substrate

124-Energy for the endothermic reaction is given a ...... value?

Positive

Negative

Neither positive nor negative

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