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Statement -1 HCO(3)^(-) ion can act as a...

Statement -1 `HCO_(3)^(-)` ion can act as a strong base.
Statement -2 `CO_(3)^(2-)` ion can act as a weak base.

A

Statements -1 is true , statement -2 is also true, statement -2 is the correct explanation of statement -1

B

Statement -1 is true , statement-2 is also true, statement-2 is not the correct explanation of statement-1

C

Statement -1 is true, statement -2 is false.

D

Statement -1 is false, satement-2 is true.

Text Solution

Verified by Experts

The correct Answer is:
B
Correct explanation . `HCO_(3)^(-)` ion can act as a strong base because the conjugate acid `H_(2)CO_(3)` is a weak acid
`underset(("Strong"))(HCO_(3)^(-)) +H^(+) hArr underset(("Weak"))(H_(2)CO_(3))`
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Knowledge Check

  • Statement-1. HCO_(3)^(-) ion act as a strong acid as well as strong base. Statement-2. CO_(2)^(2-) ions act only as weak base.

    A
    Statement-1 is True, Statement-2 is True , Statement-2 is the correct explanation of Statement - 1 .
    B
    Statement-1 is True, Statement - 2 is True , Statement-2 is NOT a correct explanation for Statement-1.
    C
    Statement-1 is True, Statement-2 is False.
    D
    Statement-1 is False, Statement-2 is True.

  • Statement-1 : Water can act as acid as well as base. Statement-2 : Water can accept as well as donate H^+ ion.

    A
    If both the statements are True and statement-2 is the correct explanation of statement-1
    B
    If both the statements are True and statement-2 is not the correct explanation of statement-1
    C
    If statement-1 is true and statement-2 is false
    D
    If statement-1 is false and statement-2 is true

  • Statement I: CO_(3)^(2-) and HCO_(3)^(-) ions are distinguished by using AgNO_(3) . Statement II: CO_(3)^(2-) gives white (yellowish) ppt. with AgNO_(3) and no ppt. with HCO_(3)^(-)

    A
    If both Statement I and Statement II are true and Statement II is the correct explanation of Statement I.
    B
    If both Statement I and Statement II are true but Statement II is not the correct explanation for Statement I.
    C
    If Statement I is true but Statement II is false.
    D
    If Statement I is false but Statement II is true.