EAMCET Chemistry Practice Test 009

Test Description

This Chemistry Practice Test is the ninth mock test in the series of many Chemistry tests. This test consists of 40 objective type questions from both Intermediate First Year and Intermediate Second Year Chemistry. This test provides questions in the format of Andhra Pradesh (AP) EAPCET and Telangana (TS) EAMCET.

This test is completely free, and students can attempt as many times as needed and help students in preparing for entrance tests and get admissions into various reputed colleges for Engineering, Pharmaceutical and Agriculture.

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) Vijayawada FM radio station broadcasts at frequency of 103.4MHz. The wavelength of the corresponding radio waves (in m) is

2.90
29.0
9.20
92.0

(2 of 40) Identify the pair of elements with the highest and lowest electronegativity respectively

K and Rb
I and F
F and Fr
Fr and Li

(3 of 40) If the bond order in

C_{2}

is 'x' then the bond order in

B_{2}

and

O_{2}

, respectively are

$\frac{1}{2} x$ , $2 x$
$x, x$
$\frac{1}{2} x$ , $x$
$x, 2 x$

(4 of 40) Identify incorrectly matched set from the following

Molecules with incomplete octet - ${BeH}_{2}$ , ${BCl}_{3}$
Polar molecules - ${BF}_{3}$ , ${CCl}_{4}$
Molecules with expanded octet - ${PCl}_{5}$ , ${SF}_{6}$
Odd electron molecules - $NO$ , ${NO}_{2}$

(5 of 40)

A 100L cylinder containing $H_{2}$ exerted a pressure of 4atm at 300K. It was accidentally opened and some $H_{2}$ was escaped. When it was closed, it exerted a pressure of 3atm at 300K. The number of moles of $H_{2}$ remaining in the cylinder is equal to

(Assume

H_{2}

as an ideal gas; R=gas constant)

$\frac{1}{2 R}$
$R$
$\frac{1}{R}$
$2 R$

(6 of 40) If the standard enthalpy change

(∆_{r} H^{θ})

for a certain reaction at 298K and constant pressure is

- 1860 kJ {mol}^{- 1}

, the standard entropy change

(∆_{sys} S^{θ})

of the same reaction is

- 550 J K^{- 1} {mol}^{- 1}

, which one of the following statements is correct?

$(∆_{sys} S^{θ}) + ∆_{surr} S^{θ} = - 7692 J {mol}^{- 1} K^{- 1}$ , the reaction is spontaneous
$(∆_{sys} S^{θ}) + ∆_{surr} S^{θ} = - 5692 J {mol}^{- 1} K^{- 1}$ , the reaction is non- spontaneous
$(∆_{sys} S^{θ}) + ∆_{surr} S^{θ} = + 5692 J {mol}^{- 1} K^{- 1}$ , the reaction is spontaneous
$(∆_{sys} S^{θ}) + ∆_{surr} S^{θ} = + 7692 J {mol}^{- 1} K^{- 1}$ , the reaction is non- spontaneous

(7 of 40)

At 300K the enthalpy change for the following reaction is $- 2800 kJ {mol}^{- 1}$

$C_{6} H_{12} O_{6} (s) + 6 O_{2} (g) \to 6 {CO}_{2} (g) + 6 H_{2} O (l)$

What is the

∆ U

for the same reaction at 300K

(kJ {mol}^{- 1})

-2802.49
-2800.00
-2814.94
+2802.49

(8 of 40) At T(K), the equilibrium constant for the reaction

a A (g) ⇌ b B (g)

K_{c}

. If the reaction takes place in the following form

2 a A (g) ⇌ 2 b B (g)

its equilibrium constant is

K_{c}^{'}

. The correct relationship between

K_{c}

and

K_{c}^{'}

$K_{c}^{'} = {(K_{c})}^{2}$
$K_{c}^{'} = {(K_{c})}^{\frac{1}{2}}$
$K_{c}^{'} = {(K_{c})}^{- 1}$
$K_{c}^{'} = K_{c}$

(9 of 40)

Observe the following solutions

I. Black coffee	II. 0.2M NaOH	III. Lemon juice
IV. Lime water	V. Human saliva	VI. Tomato juice

The number of solutions having pH range of 1-7 and 7-14, in the above list, is respectively

1, 5
3, 3
2, 4
4, 2

(10 of 40) Among the following, the correctly matched pair is

electron deficient hydride - ${SiH}_{4}$
saline hydride - CrH
electron precise hydride - HF
electron rich hydride - ${NH}_{3}$

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Test Details

Duration

0h 45m

Questions

40 Multiple Choice Questions

Passing Score

N/A% or higher to pass

Attempts

Unlimited attempts allowed

Total Runs

100