MCQ
Compound in which all $C—N$ bond lengths are not same
  • A


  • C

  • D
    $\begin{array}{*{20}{c}}
      {HN = CH - C - CH = NH} \\ 
      {||} \\ 
      {\,\,\,C{H_2}} 
    \end{array}$

Answer

Correct option: B.

b

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

The heat of combustion of carbon to $\ce{CO_2}$ is $-393.5 \text{ kJ/mol.}$ The heat released upon formation of $35.2g $ of $\ce{CO_2}$​ from carbon and oxygen gas is:
Which of the following compound is non-resovable (meso) compounds ?
Relation between products $A$ and $B$ is ?
At $600\,K , 2\,mol$ of $NO$ are mixed with $1 mol$ of $O _{2}$.

$2 NO _{( g )}+ O _{2}( g ) \rightleftarrows 2 NO _{2}( g )$

The reaction occurring as above comes to equilibrium under a total pressure of 1 atom. Analysis of the system shows that $0.6 mol$ of oxygen are present at equilibrium. The equilibrium constant for the reaction is $.........$(Nearest integer).

A bivalent metal has an equivalent mass of $32$. The molecular mass of the metal nitrate is :
Stability order of following carbocation's

$(i)\,\begin{array}{*{20}{c}}
  {C{H_3} - \mathop C\limits^ \oplus   - C{H_3}} \\ 
  | \\ 
  {\,\,\,\,\,\,OC{H_3}} 
\end{array}$

$(ii)\,\begin{array}{*{20}{c}}
  {C{H_3} - \mathop C\limits^ \oplus   - C{H_3}} \\ 
  | \\ 
  {\,\,\,\,\,\,C{H_3}} 
\end{array}$

$(iii)\begin{array}{*{20}{c}}
  {C{H_3} - \mathop C\limits^ \oplus  {H_2} - NH} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}} 
\end{array}$

$(iv)\,C{H_3} - \mathop C\limits^ \oplus  {H_2}$

Among the following, the species having the smallest bond is
Which mixture forms a buffer when dissolved in $1\, lit$. of water
The geometry of $XeOF_4$ by $VSEPR$ theory is
Acid precipitation is now regarded as a serious problem in some European and Asian countries. Its major cause or source is :