Chemistry Multiple Choice Questions Section A

18 Questions

What is the correct decreasing order of basic strength for the three compounds given?

III > II > I

In corrosion prevention techniques, what is the major product of the given reaction?

( \text{CH}_3 \text{CN} )

Which electrolyte is stronger based on the increase in molar conductivity after dilution?

What type of isomerism is exhibited by the complexes [Co(NH3)5Br]SO4 and [Co(NH3)5SO4]Br?

Optical

What unit is used for the rate constant of a zero-order reaction?

( s^{-1} )

Which compound shows the highest increase in molar conductivity after dilution?

[Co(NH3)5Br]SO4

What is the energy of activation of the reaction given that log 2 = 0.30, log 4 = 0.60, and R = 8.314 J K^-1 mol^-1?

10.38 kJ mol^-1

What is a common base found in both DNA and RNA?

Adenine

Which vitamin deficiency leads to bone deformities in children?

Vitamin D

Why do amino acids exhibit amphoteric behavior?

Due to the presence of carboxyl and amino groups

What happens when D-Glucose is treated with hydroxylamine?

Formation of an oxime

Which compound is used for corrosion prevention due to its ability to form a protective layer on metal surfaces?

Zinc oxide

Which compound is more acidic than phenol?

o-nitrophenol

What kind of reaction is a halogenated exchange reaction?

R X + NaI

What is the oxidation state of lanthanoids?

Which corrosion prevention technique involves the use of dry acetone and ZnCl2?

$mol L^{-1} s^{-1}$

In which order should complex compounds be arranged based on stability?

$III > II > I$

How does reducing the concentration of a reactant to half affect a second-order reaction's rate?

Reduces it by 2 times

Test your knowledge with 18 multiple-choice questions on chemistry, where each question is worth 1 mark. Topics include acidic compounds, halogenated exchange reactions, and element symbols.

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