Chemistry

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CHEMISTRY

Q.No. 1.

The set of quantum numbers not allowed in the hydrogen atom is A)

2.

B)

C)

Gibbs energy of formation of two oxides (CO and GCO = – 0.2 T – 195.4 and

D) ) are given below as a function of temperature

= 0.2 T – 1104. Which one of the scenarios is possible based on Ellingham diagram at

T = 2000 K? A) C reducing D) C reducing 3.

and Al reducing CO

=√ a

(aq)A

cellRT/F[ln[

] [

B) potential energy of the products

] ]

] [

]]

B) 4S, 2Z

The reaction of but-1-ene with A) Butan-2-ol

C) heat of reaction

D) activation energy

B) Ecell = EocellRT/2F[ln[

] [

] ]

D) Ecell = EocellRT/2F[ln[

] [

]]

C) 4R, 2E followed by oxidation using

B) Butan-2-one

D) 4S, 2E /NaOH gives

C) Butyraldehyde

D) Butan-1-ol

In which one of the following reactions, a new carbon-carbon bond is not formed? A) Cannizzaro reactions

B) Wurtz reaction

C) Aldol reaction

D) Friedel-Crafts reaction

The product formed in the following reaction is

A) 10.

= 2a

The stereochemical description of the chiral centre (marked as ‘x’) and the olefin in the following compound is

A) 4R, 2Z

9.

D)

(aq)Ag

o

C) Ecell = EocellRT/2F[ln[

8.

= a/2

The Nernst equation for the following electrochemical cell will be:

A) Ecell = E

7.

C)

) and edge length 'a' is

When a catalyst is added to a system at equilibrium, a decrease occurs in the

Ni(s)

6.

=√ a

B)

A) potential energy of the reactants 5.

C) No reaction between Al and CO

In a face centered cubic unit cell, the relation between ionic radii A)

4.

B) Al reducing CO

B)

)

C)

)

D)

Nitrobenzene on reaction with Sn/HCl will produce A) 2-nitroaniline

B) 4-nitroaniline

C) aniline

D) 4-chloroaniline

)

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