List of practice Questions

The properties used for calculating Pauling's electronegativity and Mullikan electronegativity, respectively are

For the reaction
2N₂O₅→4NO₂+0₂
Rate of the reaction is:

Given below are two statements:
Statement I: To form interstitial alloys, the radius ratio of smaller atom/larger atom should be in the range 0.414-0.732.
Statement II: Two different metals having metallic radii differing only by 10% but similar crystal structures can form a good alloy.
In the light of the above statements, choose the most appropriate answer from the options given below:

Deduce the structure of the product in the following reaction

Identify the major product in the following reaction.

Identify the major product in the following reaction.

Select the option which is correct about photochemical reaction:
A. Temperature has very little effect on rate of reaction.
B. The presence of light is the primary requirement.
C. AG may be positive or negative for spontaneous photochemical reaction.
D. Photochemical reaction always involves emission of light radiation.
Choose the correct answer from the options given below:

The galvanic cell with the cell reaction
Mg(s) + 2Ag⁺ (0.001M)→ Mg²⁺ (0.65M) + 2Ag(s)
is correctly represented as

Which of the following orders are correct for noble gases?
A. Solubility in water He<Ne < Ar<Kr<Xe
B. Boiling points He< Ne <Ar<Kr <Xe
C. Chemical reactivity He > Ne >Ar> Kr > Xe
D. Enthalpy of vaporisation He> Ne > Ar> Kr> Xe
Choose the correct answer from the options given below:

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: The moving boundary method yields more accurate data on transference number than does the Hittorf method.
Reason R: In moving boundary method, indicator electrolyte has same anion as principal electrolyte and is placed at the bottom due to its higher density.
In the light of the above statements, choose the most appropriate answer from the options given below:

Deduce the structure of the corresponding alcohol which shows the following reaction
C₆H₁₄0₃ \(\stackrel{2HIO_4}{\rightarrow}\) CH₃CHO + CH₃CH₂CHO + HCOOH

The correct combination of enzyme and metal ion at the active site is

Identify the infrared active molecules from the following
A. N₂
B. NO
C. CO
D. CO₂
Choose the correct answer from the options given below:

Identify the class of the following reaction.

Kronecker delta is defined by

Number of C-O stretching frequency bands observed for M(CO)₆ : M(CO)₃L₃ (fac-isomer), M(CO)₃L₃ (mer- isomer), respectively are:

The following reaction undergoes via _________ and is known as ______ reaction.

Choose the correct product formed in the following reaction

Given below are two statements:
Statement I: For Na⁺ | K⁺ pump, the active ion transport involve three Na⁺ expelled out for two K⁺ ions intake across the cell membrane.
Statement II: Binding of K⁺ induces phosphorylation of ADP to ATP.
In the light of the above statements, choose the most appropriate answer from the options given below:

Which of the following expression holds good for Freundlich adsorption isotherm ?

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: Concentrated HNO₃ is colourless but often turns yellow on keeping.
Reason R: Photo chemical decomposition of HNO₃ gives NO₂.
In the light of the above statements, choose the most appropriate answer from the options given below:

Match List I with List II

List I		List II
A.	Carbonyl compounds react with ylide to form alkene.	I.	Cannizzaro Reaction
B.	Ketone reacts with zinc-mercury amalgam in HCl as reducing agent to form alkane.	II.	Clemmensen Reduction
C.	Carbonyl compounds react with basic solution of hydrazine as reducing agent to produce alkane.	III.	Wittig Reaction
D.	Formaldehyde react with NaOH to form methanol.	IV.	Wolf-Kishner Reduction

Choose the correct answer from the options given below:

The bond enthalpies for C-H, C1-C1, C-C1 and H-Cl are 99, 58, 78 and 103 kcal/mol respectively. What will be the AH for the reaction
CH_4(g) + Cl_2(g) → CH₃Cl_(g) + HCl_(g)

Which among the elements of Lanthanoid series often exhibit +4 oxidation state?

The conjugate base of a strong acid is a weak base and it has least tendency to accept a proton, which one is an example of strong acid?