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AP EAMCET (EAPCET) Chemistry Multiple Choice Questions (MCQs)

AP EAMCET Chemistry MCQs - Unit 18

101. The electronic configuration of Group 16 elements is:

A) ns²np⁶

B) ns²np⁵

C) ns²np⁴

D) ns²np³

Answer: C) ns²np⁴

102. Which of the following is a simple oxide of sulfur?

A) SO₂

B) SO₃

C) S₈O₈

D) H₂SO₄

Answer: A) SO₂

103. The allotropes of sulfur include:

A) Rhombic sulfur

B) Monoclinic sulfur

C) Amorphous sulfur

D) All of the above

Answer: D) All of the above

104. Ozone is prepared by the:

A) Decomposition of potassium permanganate

B) Electrolysis of water

C) Discharge of electric current through oxygen

D) Oxidation of sulfur dioxide

Answer: C) Discharge of electric current through oxygen

105. Which of the following compounds is prepared by the reaction of sulfur dioxide with oxygen?

A) Sulfuric acid

B) Sulfur trioxide

C) Hydrogen sulfide

D) Sulfur hexafluoride

Answer: B) Sulfur trioxide

106. The industrial process for the manufacture of sulfuric acid is called:

A) Contact process

B) Haber process

C) Ostwald process

D) Linde process

Answer: A) Contact process

107. Chlorine is prepared by the electrolysis of:

A) Sodium chloride solution

B) Magnesium chloride solution

C) Potassium chloride solution

D) Calcium chloride solution

Answer: A) Sodium chloride solution

108. The molecular formula of hydrogen chloride is:

A) HCl

B) H₂Cl₂

C) H₃Cl

D) HCl₂

Answer: A) HCl

109. Which of the following is an oxoacid of chlorine?

A) HClO

B) HClO₃

C) HClO₂

D) All of the above

Answer: D) All of the above

110. Xenon fluorides, XeF₂, XeF₄, and XeF₆, are:

A) Stable compounds of noble gases

B) Unstable compounds of halogens

C) Compounds of sulfur with oxygen

D) Compounds of nitrogen and oxygen

Answer: A) Stable compounds of noble gases

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