314386
Which among the following salts turns blue litmus red in it's aqueous solution?
1 \(\mathrm{NH}_{4} \mathrm{CN}\)
2 \(\mathrm{NH}_{4} \mathrm{~F}\)
3 \(\mathrm{CH}_{3} \mathrm{COONa}\)
4 \(\mathrm{CH}_{3} \mathrm{COONH}_{4}\)
Explanation:
\(\mathrm{NH}_{4} \mathrm{CN}\) - almost neutral, \(\mathrm{NH}_{4} \mathrm{~F}\) - Slightly acidic \(\mathrm{CH}_{3} \mathrm{COONa}\) - (weakacid - strongbase salt),(Basic) \(\mathrm{CH}_{3} \mathrm{COONH}_{4}\) - almost neutral The solution of \(\mathrm{NH}_{4} \mathrm{~F}\) is only slightly acidic and turns blue litmus red.
MHTCET - 2021
CHXI07:EQUILIBRIUM
314387
Assertion : Strength of various oxyacids follow the order: \(\mathrm{HClO} < \mathrm{HClO}_{2} < \mathrm{HClO}_{3} < \mathrm{HClO}_{4}\) Reason : Among oxyacids of the same element, acidic nature increases with increase in the number of oxygen atoms.
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
Explanation:
Strength of oxyacids increases with increase in the oxidation number of the same element. As oxygen atoms increases oxidation state also increases. For example,
So option (1) is correct.
CHXI07:EQUILIBRIUM
314388
Strength of an weak acid or a weak base depends upon its
1 Temperature
2 Nature of solvent
3 Degree of dissociation
4 All the above
Explanation:
Strength of a weak acid or base depends on the temperature, nature of solvent, and degree of dissociation.
CHXI07:EQUILIBRIUM
314389
Assertion : Strength of oxyacids follow the order: \(\mathrm{HIO}_{4} < \mathrm{HBrO}_{4} < \mathrm{HClO}_{4}\). Reason : Acidic strength of oxyacids of same type formed by different elements depends on oxidation number.
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
Explanation:
Though acidic strength increases with an increase in oxidation number. But when the oxidation number is the same for each oxyacid, then the acidic nature increases with electronegativity. For example, \(\mathrm{HIO}_{4} < \mathrm{HBrO}_{4} < \mathrm{HClO}_{4}\). So, option (3) is correct.
314386
Which among the following salts turns blue litmus red in it's aqueous solution?
1 \(\mathrm{NH}_{4} \mathrm{CN}\)
2 \(\mathrm{NH}_{4} \mathrm{~F}\)
3 \(\mathrm{CH}_{3} \mathrm{COONa}\)
4 \(\mathrm{CH}_{3} \mathrm{COONH}_{4}\)
Explanation:
\(\mathrm{NH}_{4} \mathrm{CN}\) - almost neutral, \(\mathrm{NH}_{4} \mathrm{~F}\) - Slightly acidic \(\mathrm{CH}_{3} \mathrm{COONa}\) - (weakacid - strongbase salt),(Basic) \(\mathrm{CH}_{3} \mathrm{COONH}_{4}\) - almost neutral The solution of \(\mathrm{NH}_{4} \mathrm{~F}\) is only slightly acidic and turns blue litmus red.
MHTCET - 2021
CHXI07:EQUILIBRIUM
314387
Assertion : Strength of various oxyacids follow the order: \(\mathrm{HClO} < \mathrm{HClO}_{2} < \mathrm{HClO}_{3} < \mathrm{HClO}_{4}\) Reason : Among oxyacids of the same element, acidic nature increases with increase in the number of oxygen atoms.
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
Explanation:
Strength of oxyacids increases with increase in the oxidation number of the same element. As oxygen atoms increases oxidation state also increases. For example,
So option (1) is correct.
CHXI07:EQUILIBRIUM
314388
Strength of an weak acid or a weak base depends upon its
1 Temperature
2 Nature of solvent
3 Degree of dissociation
4 All the above
Explanation:
Strength of a weak acid or base depends on the temperature, nature of solvent, and degree of dissociation.
CHXI07:EQUILIBRIUM
314389
Assertion : Strength of oxyacids follow the order: \(\mathrm{HIO}_{4} < \mathrm{HBrO}_{4} < \mathrm{HClO}_{4}\). Reason : Acidic strength of oxyacids of same type formed by different elements depends on oxidation number.
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
Explanation:
Though acidic strength increases with an increase in oxidation number. But when the oxidation number is the same for each oxyacid, then the acidic nature increases with electronegativity. For example, \(\mathrm{HIO}_{4} < \mathrm{HBrO}_{4} < \mathrm{HClO}_{4}\). So, option (3) is correct.
314386
Which among the following salts turns blue litmus red in it's aqueous solution?
1 \(\mathrm{NH}_{4} \mathrm{CN}\)
2 \(\mathrm{NH}_{4} \mathrm{~F}\)
3 \(\mathrm{CH}_{3} \mathrm{COONa}\)
4 \(\mathrm{CH}_{3} \mathrm{COONH}_{4}\)
Explanation:
\(\mathrm{NH}_{4} \mathrm{CN}\) - almost neutral, \(\mathrm{NH}_{4} \mathrm{~F}\) - Slightly acidic \(\mathrm{CH}_{3} \mathrm{COONa}\) - (weakacid - strongbase salt),(Basic) \(\mathrm{CH}_{3} \mathrm{COONH}_{4}\) - almost neutral The solution of \(\mathrm{NH}_{4} \mathrm{~F}\) is only slightly acidic and turns blue litmus red.
MHTCET - 2021
CHXI07:EQUILIBRIUM
314387
Assertion : Strength of various oxyacids follow the order: \(\mathrm{HClO} < \mathrm{HClO}_{2} < \mathrm{HClO}_{3} < \mathrm{HClO}_{4}\) Reason : Among oxyacids of the same element, acidic nature increases with increase in the number of oxygen atoms.
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
Explanation:
Strength of oxyacids increases with increase in the oxidation number of the same element. As oxygen atoms increases oxidation state also increases. For example,
So option (1) is correct.
CHXI07:EQUILIBRIUM
314388
Strength of an weak acid or a weak base depends upon its
1 Temperature
2 Nature of solvent
3 Degree of dissociation
4 All the above
Explanation:
Strength of a weak acid or base depends on the temperature, nature of solvent, and degree of dissociation.
CHXI07:EQUILIBRIUM
314389
Assertion : Strength of oxyacids follow the order: \(\mathrm{HIO}_{4} < \mathrm{HBrO}_{4} < \mathrm{HClO}_{4}\). Reason : Acidic strength of oxyacids of same type formed by different elements depends on oxidation number.
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
Explanation:
Though acidic strength increases with an increase in oxidation number. But when the oxidation number is the same for each oxyacid, then the acidic nature increases with electronegativity. For example, \(\mathrm{HIO}_{4} < \mathrm{HBrO}_{4} < \mathrm{HClO}_{4}\). So, option (3) is correct.
314386
Which among the following salts turns blue litmus red in it's aqueous solution?
1 \(\mathrm{NH}_{4} \mathrm{CN}\)
2 \(\mathrm{NH}_{4} \mathrm{~F}\)
3 \(\mathrm{CH}_{3} \mathrm{COONa}\)
4 \(\mathrm{CH}_{3} \mathrm{COONH}_{4}\)
Explanation:
\(\mathrm{NH}_{4} \mathrm{CN}\) - almost neutral, \(\mathrm{NH}_{4} \mathrm{~F}\) - Slightly acidic \(\mathrm{CH}_{3} \mathrm{COONa}\) - (weakacid - strongbase salt),(Basic) \(\mathrm{CH}_{3} \mathrm{COONH}_{4}\) - almost neutral The solution of \(\mathrm{NH}_{4} \mathrm{~F}\) is only slightly acidic and turns blue litmus red.
MHTCET - 2021
CHXI07:EQUILIBRIUM
314387
Assertion : Strength of various oxyacids follow the order: \(\mathrm{HClO} < \mathrm{HClO}_{2} < \mathrm{HClO}_{3} < \mathrm{HClO}_{4}\) Reason : Among oxyacids of the same element, acidic nature increases with increase in the number of oxygen atoms.
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
Explanation:
Strength of oxyacids increases with increase in the oxidation number of the same element. As oxygen atoms increases oxidation state also increases. For example,
So option (1) is correct.
CHXI07:EQUILIBRIUM
314388
Strength of an weak acid or a weak base depends upon its
1 Temperature
2 Nature of solvent
3 Degree of dissociation
4 All the above
Explanation:
Strength of a weak acid or base depends on the temperature, nature of solvent, and degree of dissociation.
CHXI07:EQUILIBRIUM
314389
Assertion : Strength of oxyacids follow the order: \(\mathrm{HIO}_{4} < \mathrm{HBrO}_{4} < \mathrm{HClO}_{4}\). Reason : Acidic strength of oxyacids of same type formed by different elements depends on oxidation number.
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
Explanation:
Though acidic strength increases with an increase in oxidation number. But when the oxidation number is the same for each oxyacid, then the acidic nature increases with electronegativity. For example, \(\mathrm{HIO}_{4} < \mathrm{HBrO}_{4} < \mathrm{HClO}_{4}\). So, option (3) is correct.
