Question

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Assertion and reasoning type questions:

Study the two statements labelled as Assertion(A) and Reason(R)

Point out if:

a. Both A and R are true and R is the correct explanation of

assertion.

b. Both A and R are true but R is not the correct explanation of

assertion.

c. A is true but R is false.

d. A is false but R is true.

1. Assertion(A): Carbon dioxide is not an ionic compound

Reason(R): Carbon will lose electron and oxygen will gain
electron.

2. Assertion(A): The simplest types of chemical formulas are called

empirical formula.

Reason(R): Empirical formula uses letters and numbers indicating

the numerical proportions of atoms of each type.

3. Assertion(A): The formula of sodium carbonate is Na2CO3

Reason(R): While writing the formula of a compound, the valencies

of the cation and anion are crossed.

4. Assertion(A): The valency of phosphate radical is -3

Reason(R): 2 g of hydrogen contains 6.022X1023 atoms.

5. Assertion(A): Sodium oxide is an ionic compound.

Reason(R): One sodium atom and two oxygen atoms involved in

the formation of sodium oxide.​

Answer 1

Answer:

a) Both assertion and reason are true and reason is correct explanations of the assertion.