2023 May 17 EAPCET Engineering Afternoon Chemistry Practice Test

This EAPCET Engineering Chemistry Practice Test was a previous year EAPCET exam conducted on 2023 May 17 Shift 2. This test consists of 40 objective type questions from both Intermediate First Year and Intermediate Second Year Chemistry. The questions are given in the same format as in the exam conducted by Andhra Pradesh (AP) EAPCET exam in the year 2023.

This test is completely free, and students can attempt as many times as needed and help students in preparing for EAMCET entrance tests and get admissions into various reputed colleges for Engineering in the state of Andhra Pradesh.

Test Instructions

Quick Test

(1 of 40)

The angular momentum of electron in H atom in a particular n state is $\frac{h}{π}$ . What is the energy in J required to excite the electron from this particular n state to (n+1) state?

(

x = + 2.18 \times 10^{- 18} J

)

x
$\frac{5 x}{36}$
$\frac{36 x}{5}$
$\frac{3 x}{4}$

(2 of 40)

A photon of wavelength 3000 $\overset{0}{A}$ strikes a metal surface. The work function of the metal is 2.13 eV. What is the kinetic energy of the emitted photoelectron?

(

h = 6.626 \times 10^{- 34} Js

)

4.0 eV
3.0 eV
2.0 eV
1.0 eV

(3 of 40) Which one of the following indicates correct order of atomic size of the given elements?

Li > B > F > N
N > F > Li > B
F > N > B > Li
Li > B > N > F

(4 of 40)

The elements with metallic nature in the following are

C, Si, Ge, Sn, Pb

Ge, Pb
Ge, Sn
C, Ge
Sn, Pb

(5 of 40)

Match the following.

List I Molecule / Ion	List II Shape
A. $I_{3}^{-}$	1. T-shaped
B. ${CIF}_{3}$	2. See-Saw
C. $H_{2} O$	3. Angular
D. ${SF}_{4}$	4. Linear

A-4, B-1, C-3, D-2
A-4, B-1, C-2, D-3
A-2, B-3, C-4, D-1
A-3, B-2, C-4, D-1

(6 of 40)

Given below are two statements

Assertion (A) : Ionic compounds are formed by non-directional bonds
Reasoning (R) : They are soluble in nonpolar solvents

The correct answer is

Both A and R are correct and R is the correct explanation of A.
Both A and R are correct and R is not the correct explanation of A.
A is correct but R is not correct.
A is not correct but R is correct.

(7 of 40) At T (K), a gaseous mixture containing

H_{2}

He

and

O_{2}

exerted a pressure of 1 bar. The weight percentage of

H_{2}

and

He

is 20 and 16 respectively. The partial pressure (in bar) of

H_{2}

He

and

O_{2}

is respectively

0.625, 0.250, 0.125
0.625, 0.125, 0.250
0.250, 0.125, 0.625
0.125, 0.250, 0.625

(8 of 40)

The following data is obtained for one mole of a gas
The gas deviates from ideal behavior in the pressure ( in bar) range

P (bar)	$\frac{PV}{RT}$
1	1
2	1
3	1
3.1	1.2
3.5	1.4
4.0	1/5

1 to 3
2 to 4
3.1 to 4.0
1 to 4

(9 of 40)

Observe the following reaction

{aP}_{4} (s) + b^{-} OH (aq) + H_{2} O (l) \to {cPH}_{3} (g) + {dH}_{2} {PO}^{-} (aq)

a, b, c and d are respectively

1, 3, 3, 1
1, 3, 2, 3
3, 1, 3, 1
1, 3, 1, 3

(10 of 40)

If for the reaction ${CCl}_{4} (g) \to C (g) + 4 Cl (g)$ the following data is given

∆_{vap} H^{θ} {CCl}_{4} (l) = 30 kJ {mol}^{- 1}

, vap = vaporization

∆_{f} {H^{θ}}_{{CCl}_{4}} = - 136.0 kJ {mol}^{- 1}

, f = formation

∆_{a} {H^{θ}}_{C} = 714.0 kJ {mol}^{- 1}

, a = atomization

∆_{a} {H^{θ}}_{{Cl}_{2}} = 242.0 kJ {mol}^{- 1}

, a = atomization

The bond mean enthalpy of

C - Cl

{CCl}_{4} (l)

-319
326
-326
292

2023 May 17 EAPCET Engineering Afternoon Chemistry Practice Test

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