2023 May 18 EAPCET Engineering Afternoon Chemistry Practice Test

Test Description

This EAPCET Engineering Chemistry Practice Test was a previous year EAPCET exam conducted on 2023 May 18 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

The test contains 40 multiple-choice questions.
Total time for the test is 0h 45m.
Each question carries equal marks.
There is no negative marking for wrong answers.
Use of calculator is not allowed.
Do not refresh the page during the test.
Make sure you have a stable internet connection.

Quick Test

(1 of 40) In which of the following, orbitals are correctly arranged in the increasing order of their energies?

4f < 5p < 5d < 6s
5p < 4f < 6s < 5d
5p < 6s < 4f < 5d
5p < 5d < 4f < 6s

(2 of 40) The energy (in J) released when an excited electron of

5^{th}

orbit of hydrogen atom returns to its ground state is

$2.091 \times 10^{- 18}$
$4.182 \times 10^{- 18}$
$6.273 \times 10^{- 18}$
$8.364 \times 10^{- 18}$

(3 of 40) The ion with smallest radius among the following is

${Ca}^{2 +}$
$K^{+}$
${Ti}^{4 +}$
${Sc}^{3 +}$

(4 of 40) The correct order of the metallic nature of the following elements is

Si > Al > Na > Hg
Na > Mg > Al > Si
Al > Mg > Na > Si
Mg > Na > Al > Si

(5 of 40)

Match the following.

List I (Hybridisation)	List II (Shape)
A. ${dsp}^{2}$	I. Square planar
B. ${sp}^{3}$	II. Tetrahedral
C. $d^{2} {sp}^{3}$	III. Octahedral
D. ${sp}^{3} d$	IV. Trigonal bipyramidal

The correct answer is

A-II, B-I, C-III, D-IV
A-I, B-II, C-III, D-IV
A-III, B-IV, C-II, D-I
A-IV, B-III, C-II, D-I

(6 of 40) The hybridization of central atom of

{ClF}_{3}, {NH}_{3}, {SO}_{3}

are respectively.

${sp}^{2}, {sp}^{2}, {sp}^{2}$
${sp}^{3} d, {sp}^{3}, {sp}^{2}$
${sp}^{2}, {sp}^{3}, {sp}^{3} d$
${sp}^{3} d, {sp}^{3}, {sp}^{3}$

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

H_{2}

and

O_{2}

containing 20% (weight/weight) of

H_{2}

exerts a total pressure of 2 bar. What is the partial pressure of

O_{2}

(in bar)?

(8 of 40)

The following data is obtained for one mole of a gas

The gas behaves as an ideal gas in the pressure range (in bar)

P (bar)	$\frac{PV}{RT}$
1	1
2	1
3	1
4	1.5
5	2.0

1 to 3
1 to 5
4 to 5
Above 5

(9 of 40)

X g of methane was burnt completely in the presence of oxygen. The liberated gases were passed into a solution containing 370 g of $Ca {(OH)}_{2}$ . The weight of white precipitate obtained was 500 g. What is the value of x (in g)?

(Given : C = 12 ; H = 1 ; Ca = 40 ; O = 16 u)