Decarboxylation

Q.

Phenol with ${\mathrm{CCl}}_4$ and $\mathrm{KOH}$ gives salicylic acid. This reaction is known as

1. Siemlet reaction

2. Rosenmund’s reaction.

3. Friedel-Craft reaction.

4. Reimer – Tiemann reaction.

Q.

Write balanced chemical equation of the following

Carbon dioxide reacting with gaseous ammonia

Q.

Give one-word ethyne on complete hydrogenation gives.

Q. Identify the incorrect statement about boric acid(1) Layered polymer due to H-bonding(2) Its aqueous solution strong, lewis acid with cis-1, 2 diol(3) Obtained on heating borax(4) Gives B(OC_2H_5)_3 with C_2H_5OH

Q.

Write the balanced chemical equation for the following.

A mixture of soda lime and sodium acetate is heated.

Q.

Identify the term or substance based on the descriptions given.

Ice like crystals formed on cooling an organic acid sufficiently

Q.

Write the balanced chemical equation for the following

Calcium carbide to ethyne

Q.

Write balanced chemical equation of the following
Passing carbon dioxide through lime water

Q.

How is Ethane prepared in the laboratory?

Q.

Write the balanced chemical equation for the following:

1. A mixture of soda lime and sodium acetate is heated
2. Calcium carbide to ethyne
3. Fe$\stackrel{\mathrm{A}}{\to }$ FeCl₃$\stackrel{\mathrm{B}}{\to }$FeCO₃$\stackrel{\mathrm{C}}{\to }$Fe (NO₃)₂
4. Sodium ethanoate to methane

Q.

Give the chemical equation for the reaction of ethanoic acid with baking soda.

Q.

Write the balanced equation for the The action of water on Calcium carbide

Q. Why glucose and alcohol donot dissociate in water to produce h+ ions?

Q.

What is X in this reaction ?$C{H}_{3}COONa+NaOH\to X+N{a}_{2}C{O}_3$

1. $C_2{H}_6$

2. $C_2{H}_4$

3. $C{H}_4$

4. $C_2{H}_2$

Q.

Question 19.3

Write the balanced chemical equation for the following reaction and identify the type of reaction.

Ethanol is warmed with ethanoic acid to form ethyl acetate in the presence of concentrated ${\text{H}}_2{\text{SO}}_4$.

Q.

Elimination of $C{O}_2$ from a carboxylic acid by reaction with $NaOH$ to yield an alkane is called as ___ reaction.

1. dehalogenation

2. dehydrohalogenation

3. decarboxylation

4. dehydration

Q. in basicity of acid, what are replaceable hydrogen ions , is there anything known as non-replaceable hydrogen ions

Q.

Complete the following word equation and write balanced molecular equations for the same : $\mathrm{Copper}\left(\mathrm{II}\right)\mathrm{sulphate}+\mathrm{Sodium}\mathrm{hydroxide}\to$

Q.

6. Write fully balanced equations for the following:

(b) $\mathrm{Ca}{\left(\mathrm{OH}\right)}_2+{\mathrm{CO}}_2\to$