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Which of the following combinations of s...

Which of the following combinations of solute would result in the formation of a buffer solution.
a. `CH_(3)COOH +NaOH` in
i. `1:1` mol ratio
ii. `2:1` mol ratio
iii. `1:2` mol ratio
b. `NH_(4)CI=NH_(3)`in
i. `1:1` mol ratio
ii. `2:1` mol ratio
iii. `1:2 `mol ratio
c. `HCI +NaCI`
d. `HCI +CH_(3)COOH`
e. `NaH +HCI`

Text Solution

Verified by Experts

(a)`NH_4Cl + NH_3` , (c)`CH_3COONa + CH_3COOH` , (d) `NH_3+HCl` in the molar ratio of 2:1
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26.Which of the following mixtures can act as a buffer ? A) NaOH+HCOONa(1:1" molar ratio) B) "HCOOH+NaOH(2:1" molar ratio) C) NH_(4)Cl +NaOH(2:1" molar ratio ) D) HCOOH+NaOH(1:1" molar ratio)

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Knowledge Check

  • Which of the following combinations will make a buffer solution ? (i) CH_(3)COONa(2 mol)+HCI(1mol) (ii) CH_(3)COOH(2mol)+NaOH(1mol) (iii) CH_(3)COOH(1mol)+CH_(3)COONa(1mol)

    A
    (iii)
    B
    (i),(ii)
    C
    (ii), (iii)
    D
    (i), (ii), (iii)

  • In which of the following combinations, is buffer action expected ? 1. NH_(3)+NH_(4)CI , 2. HCI+NaCI 3. NH_(3)+HCI is 2:1 mole ration Select the correct answer using the code given below:

    A
    1 and 2
    B
    1 and 3
    C
    2 and 3
    D
    1,2 and 3

  • Which of the following will react faster (i.e., produce more product more product in a given time) and will react at the highest rate ? (i) 1 mol of A and 1 mol of B in a 1 L flask (ii) 2 mol of A and 2 mol of B in a 2 L flask (iii) 0.2 mol of A and 0.2 mol of B in a 0.1 L flask

    A
    Fastest and highest rate (iii)
    B
    Fastest (iii) and highest rate (ii)
    C
    Fastest (ii) and highest rate (iii)
    D
    Fastest and highest rate (ii)

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