Chemical Bonding and Reactions MCQ question and answer with solution

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With reference to ionic compounds, consider the following statements.
1. Ionic compounds are insoluble in alcohol.
2. Ionic compounds in the solid state are good conductor of electricity.
Which of the statement given above is/are correct?

A) Only 1 B) Only 2 C) Both 1 and 2 D) Neither 1 nor 2

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Which one among the following is a covalent compound?

A) Calcium chloride B) Magnesium fluoride C) Sodium chloride D) Carbon tetrachloride

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Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Examples of ionic bond are

A) NaCl, KCl, MgF₂, CaCl₂ B) H₂, Cl₂, O₂, N₂, CH₂ C) SO₂, SO₃, O₃ D) H₂O, NH₃

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Which of the following elements has three valence electrons?

A) Al B) Ag C) Au D) Ca

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Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

The variable valency indicates . . . . . . . .?

A) valence electrons B) transition elements C) group elements D) alkaline element

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Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Assertion (A) Double bond cause more repulsion than single bonds.
Reason (R) Triple bonds cause more repulsion than a double bond.

A) Both A and R are true and R is the correct explanation of A B) Both A and R are true, but R is not the correct explanation of A C) A is true, but R is false D) A is false, but R is true

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Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Number of electrons participate in bonding in N₂.

A) 4 B) 2 C) 6 D) 3

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Answer & Solution

Answer: Option C

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Electrovalent bond formation depends on

A) ionisation energy B) electron affinity C) lattice energy D) All of the above

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Answer & Solution

Answer: Option D

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What is the valency of aluminium in Al₂O₃?

A) 3 B) 4 C) 2 D) 1

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Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

An element 'A' forms oxides with the formula Al₂O₃. What is the valency of element A?

A) 4 B) 3 C) 1 D) 2

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

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Chemical Bonding and Reactions MCQ question and answer with solution | Chemistry Gk MCQs