Carbene

Q.

Which of the following is incorrect for carbene?

1. They are reactive

2. They have six electrons in outermost shell

3. They are positively charged

4. None of these

Q.

Which of the following is incorrect for carbene?

1. They are reactive

2. They have six electrons in outermost shell

3. They are positively charged

4. None of these

Q.

Which of the following is incorrect for carbene?

1. They are reactive

2. They have six electrons in outermost shell

3. They are positively charged

4. None of these

Q.

Which of the following is incorrect for carbene?

1. They are reactive

2. They have six electrons in outermost shell

3. They are positively charged

4. None of these

Q.

Which of the following are the methods of formation of carbene?

1. $C{H}_2{N}_2\stackrel{\Delta }{\to }:C{H}_2+N_2$

2. $C{H}_2=C=O\stackrel{\Delta }{\to }RCH:+N_2$

3. $C{H}_2{I}_2\underset{Zn/CuCouple}{\overset{\Delta }{\to }}:C{H}_2+Zn{I}_2$

4. $CHC{l}_3+NaOH\to :CC{l}_2+NaCl+H_{2}O$

Q. The compound X (given below) is treated with 2 equivalents of $CHB{r}_3$ in $KOH$, the possible products formed are:

1. 
2. 
3. 
4. 

Q.

Which of the following are the methods of formation of carbene?

1. $C{H}_2{N}_2\stackrel{\Delta }{\to }:C{H}_2+N_2$

2. $C{H}_2=C=O\stackrel{\Delta }{\to }RCH:+N_2$

3. $C{H}_2{I}_2\underset{Zn/CuCouple}{\overset{\Delta }{\to }}:C{H}_2+Zn{I}_2$

4. $CHC{l}_3+NaOH\to :CC{l}_2+NaCl+H_{2}O$