1
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

$$ \begin{aligned} &\text { The following two reactions give the same foul smelling product } Z \text {. }\\ &\mathrm{C}_2 \mathrm{H}_5 \mathrm{Cl} \xrightarrow{\mathrm{X}} \mathrm{Z} \end{aligned} $$

NEET 2026 Chemistry - Organic Compounds Containing Nitrogen Question 1 English

$X$ and $Z$, respectively, are :

A

$\mathrm{X}=\mathrm{AgCN} ; \mathrm{Z}=\mathrm{C}_2 \mathrm{H}_5 \mathrm{NC}$

B

$\mathrm{X}=\mathrm{KCN} ; \mathrm{Z}=\mathrm{C}_2 \mathrm{H}_5 \mathrm{CN}$

C

$\mathrm{X}=\mathrm{AgCN} ; \mathrm{Z}=\mathrm{C}_2 \mathrm{H}_5 \mathrm{CN}$

D

$\mathrm{X}=\mathrm{KCN} ; \mathrm{Z}=\mathrm{C}_2 \mathrm{H}_5 \mathrm{NC}$

2
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

The number of hydrogen atoms present in 5.4 g of urea is:

(Given: Molar mass of urea : $60 \mathrm{~g} \mathrm{~mol}^{-1}$

$\mathrm{N}_{\mathrm{A}}: 6.022 \times 10^{23}$ particles $\mathrm{mol}^{-1}$ )

A

$1.084 \times 10^{23}$

B

$1.084 \times 10^{22}$

C

$2.168 \times 10^{22}$

D

$2.168 \times 10^{23}$

3
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

Identify the incorrect statement from the following:

A

Nitrogen can form $p \pi-p \pi$ multiple bonds with itself.

B

$\quad \mathrm{P}\left(\mathrm{C}_2 \mathrm{H}_5\right)_3$ and $\mathrm{As}\left(\mathrm{C}_6 \mathrm{H}_5\right)_3$ form $\mathrm{d} \pi-\mathrm{d} \pi$ bond with transition metals.

C

Phosphorus, arsenic and antimony show catenation property.

D

Nitrogen can form $d \pi-p \pi$ bond with oxygen.

4
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

Which one of the following is an ambidentate ligand?

A

Ethane-1,2-diamine

B

Ethylenediaminetetraacetate ion

C

Thiocyanate

D

Oxalate