Acidic Nature

Q.

Is Sodium Hydroxide an acid?

Q. Nitric acid dissociates in water to produceions.

1. $H^{+}andN{O}_3^{-}$
2. $H^{+}andN{O}_2^{-}$
3. $H^{-}andN{O}_3^{+}$

Q.

Nitric acid is a ___.

1. Monobasic acid

2. Dibasic acid

3. Tribasic acid

4. Weak acid

Q.

Chemical formula of 'Aqua fortis' is?

1. $HN{O}_3$

2. Conc.$HCl$

3. Conc.$H_{2}S{O}_4$

4. $N{H}_{4}OH$

Q.

Assertion: Acetic acid(CH₃COOH) is a monobasic acid.

Reason: Acetic acid has only one replaceable hydrogen atom present which it releases in aqueous solutions as [H⁺].

1. Both assertion and reason are correct and the reason is the correct explanation of the assertion.

2. Both assertion and reason are correct but the reason is not the correct explanation of the assertion.

3. The assertion is correct but the reason is incorrect

4. The assertion is incorrect but the reason is correct

Q.

What is the effect of Nitric acid on

(ⅰ ) Phenolphthalein?

(ⅱ) Blue litmus solution?

(ⅱⅰ) Methyl orange?

Q.

Give the name and formulae of two (i) strong monobasic acids and (ii) two weak dibasic acids.

Q. HCl is a?

1. strong base
2. weak base
3. weak acid
4. strong acid

Q. Given are the examples of some acidic substances. Select the option which easily furnishes $H^{+}$ ions.

1. $B{F}_3$
2. $C{O}_2$
3. $S{O}_2$
4. $HCl$

Q.

Nitric acid is a very strong monoacidic base.

1. False

2. True

Q.

Nitric acid is a ___.

1. Dibasic acid

2. Tribasic acid

3. Monobasic acid

4. Weak acid

Q. Assertion :$H_{3}P{O}_3$ is a dibasic acid. Reason: Two $H-atoms$ are directly attached to phosphorus ${}^{\prime }{P}^{\prime }$.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Assertion is incorrect but Reason is correct

Q.

1. Both Assertion and Reason are true and Reason is the correct explanation of Assertion
2. Both Assertion and Reason are true but Reason is not the correct explanation of Assertion
3. Assertion is true but Reason is false
4. Both Assertion and Reason are false
5. Assertion is false but Reason is true
   

Q. Nitric acid is a:

1. diprotic acid
2. strong acid
3. organic acid
4. both $A$ and $C$

Q. Write down the formula of those compounds of phosphorous which are used as:
in soft drink

Q.

Apparatus of which material should be used for the laboratory preparation of nitric acid?

1. Ceramic

2. Wood

3. Rubber

4. Glass