Question # 1

Glucose and gulose are ____ for each other

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Geometrical isomers

Metamers

Apimers

None

Ethanoic acid reacts with PCI5, to give ethanoyl chloride. HCI and a third compound What is the third compound

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H3PO3,

POCI3

SO2

COCl2

Formation of Picric acid from phenol needs heating, one possible reason for it is

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acidity of phenol

e- donating nature of-OH

acidity of picric acid

e- with drawing effect of- NO2

Which one is more toxic?

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Fe

C

Hg

Ag

All gases liquefly before reaching at

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273°K

373°K

0 K

73°C

According to Boyle's law, which parameters give a straight line parallel to x-axis, when we plot a graph between:

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V and T

P and V

P and 1/V

P and PV

Cane sugar on hydrolysis gives

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Glucose+Glucose

Glucose+Fruclose

Glucose+Galactose

Glucose+Gacatose

Depletion of ozone is more during the month:

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Jan-March

April-Jun

July-Aug

Sept-Nov

Which of the following does not represent a type of crystal system

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Triclinic

Monoclinic

Rhombohedral

Isotropical

Carboxylic acid having more than one carboxyl group are called:

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Mono-carboxylic acid

Di-carboxylic acid

Tri-carboxylic acid

Poly carboxylic acid

ln ethyl alcohol, the bond that undergoes heterolytic cleavage most readily is

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C-C

C-O

C-H

O-H

An oil or fat with no double bond have iodine number:

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Zero

100%

50%

minimum

Which reagent is used to reduce a carboxylic group to an alcohol?

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H2/Ni

H2/Pt

NaBH4

LiAIH4

Carboxylic acids on complete reduction in the presence of HI and red Phosphours gives:

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esters

alcohols

alkanes

aldehydes

Orbital having same energy is called:

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Hybrid orbital.

Valence orbital.

Degenerate orbital.

D-orbital.

Which of the following alcohols cannot be produced by treatment of aldehydes or ketones with NaBH₄or LiAIH₄?

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1-propanol

2-propanol

2-Methyl-2-propanol

Ethanol

The concentration units independent of temperature would be

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Normality

Mass-volume precent

Molality

Molarity

In electronic watches or electronic calculators the tiny batteries used are

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Alkaline battery

NICAD battery

Fuel cell

Silver oxide battery

Gypsum added in the cement is :

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5%

10%

15%

20%

Acetic acid is manufactured by:

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Distillation

Fermentation

Ozonolysis

Esterification

Which of the following ion has the highest value of ionic radius?

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Li⁺

F^-

O^2-

B³⁺

The rate of forward reaction is two times that of the reverse reaction at a given temperature and identical concentration, K equilibrium is

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0.5

1.5

2.5

2.0

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