2023 May 10 EAMCET Agriculture and Pharmacy Afternoon Chemistry Practice Test

Test Description

This EAMCET Engineering Chemistry Practice Test was a previous year EAMCET exam conducted on 2023 May 10 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 Telangana (AP) EAMCET 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 Telangana.

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) The radius of third orbit of

{Li}^{2 +}

ion is x nm. The radius of fourth orbit of

{He}^{+}

ion (in nm) is

$\frac{3}{8} x$
$\frac{8}{3} x$
$\frac{2}{3} x$
$\frac{3}{2} x$

(2 of 40)

An electron is moving with a kinetic energy of $4.55 \times 10^{- 25}$ J. Its de-Broglie wavelength (in nm) is

(

m_{e} = 9.1 \times 10^{- 31} kg, h = 6.63 \times 10^{- 34} Js

)

628.5
728.5
72.85
7285

(3 of 40) In which of the following, the order of elements and periodic property is not correctly matched?

F > Cl > O > N - Electronegativity
Cl > F > Br > I - Electron gain enthalpy
Al > Be > B > C - Atomic radius
F > N > O > C - First ionisation enthalpy

(4 of 40)

Correct the order of dipole moment of the following compounds is

H_{2} O, HF, {NH}_{3}, {BF}_{3}

$HF < {BF}_{3} < {NH}_{3} < H_{2} O$
${BF}_{3} < {NH}_{3} < H_{2} O < HF$
${BF}_{3} < {NH}_{3} < HF < H_{2} O$
${NH}_{3} < H_{2} O < HF < {BF}_{3}$

(5 of 40) Which of the following is the correct order of bond lengths?

$O_{2}^{-} > O_{2} > O_{2}^{+}$
$O_{2} > O_{2}^{-} > O_{2}^{+}$
$O_{2} > O_{2}^{+} > O_{2}^{-}$
$O_{2}^{+} > O_{2}^{-} > O_{2}$

(6 of 40) Under similar conditions x

{cm}^{3}

{CH}_{4}

and y

{cm}^{3}

{SO}_{2}

gases are diffused through a porous membrane in 15 and 10 minutes respectively. Then the ratio of x to y is

3 : 1
1 : 3
2 : 3
3 : 2

(7 of 40) In balancing of the reaction given below, the coefficients of

{Cr}_{2} O_{7}^{2 -}, {NO}_{2}^{-}

and

H^{+}

respectively are

1, 3, 8
1, 4, 8
1, 3, 12
1, 5, 12

(8 of 40) Identity the incorrect statement about the compounds of alkaline earth metals from the following

${BeSO}_{4}$ and ${MgSO}_{4}$ are readily soluble in water
Except beryllium halides, halides of other alkaline earth metals are ionic in nature
Solubility of carbonates in water increases from ${BeCO}_{3}$ to ${BaCO}_{3}$
Nitrates of all alkaline earth metals decompose on heating

(9 of 40)

At 1 bar pressure and 373 K, the enthalpy change for vapourisation of 1 mol of water is 41 $kJ {mol}^{- 1}$ . The change in internal energy for the same change under the same conditions (in $kJ {mol}^{- 1}$ ) is

(