MCQ
To carry out above conversion reagent used in decreasing order.
- A$Na/ liq. NH_3 , CHBr_3 /NaOH (\Delta)$
- ✓$H_2 /Pd - CaCO_3, CHBr_3 /NaOH (\Delta)$
- C$Na/liq. NH_3 ,CHCl_3 /NaOH$
- D$H_2 /Pd- CaCO_3, CHCl_3 /NaOH$
✓
Answer
Correct option: B.
$H_2 /Pd - CaCO_3, CHBr_3 /NaOH (\Delta)$
b
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The number of unpaired electrons in $Z{n^{2 + }}$ is
→In carius method of estimation of halogen $0.15\,g$ of an organic compound gave $0. 12\,g$ of $AgBr$. Find out the percentage.....$\%$ of bromine in the compound
→For the reaction $CO_{(g)} + {H_2}O_{(g)}$ $\rightleftharpoons$ $C{O_2}_{(g)} + {H_2}_{(g)}$ at a given temperature, the equilibrium amount of $C{O_2}_{(g)}$ can be increased by
→The correct description of the product in the above reaction is
→$\begin{array}{*{20}{c}}
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_2}OC{H_3}} \\
| \\
{\mathop {C{H_3}CHBr}\limits_{(R)} }
\end{array}$ $\xrightarrow[{acetone}]{{NaCN}}$ $\begin{array}{*{20}{c}}
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_2}OC{H_3}} \\
| \\
{\mathop {C{H_3}CHCN}\limits }
\end{array}$
The specific heat of a metal is $ 0.16$ its approximate atomic weight would be
→Which one of the following has the maximum acid strength
The helical structure of protein is stabilized by
Which is the correct order of second ionization potential of $C, N, O$ and $F$ in the following ?
→Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R:
Assertion (A): A reaction cannot have zero activation energy.
Reason (R): The minimum extra amount of energy absorbed by reactant molecules so that their energy becomes equal to threshold value, is called activation energy.
In the light of the above statements, choose the correct answer from the options given below:
Assertion (A): A reaction cannot have zero activation energy.
Reason (R): The minimum extra amount of energy absorbed by reactant molecules so that their energy becomes equal to threshold value, is called activation energy.
In the light of the above statements, choose the correct answer from the options given below:
Select equations having endothermic step
→$(A)\,S_{\left( g \right)}^ - \,\, \to \,\,S_{\left( g \right)}^{2 - }\,$
$(B)\,Na_{\left( g \right)}^ + \, + \,Cl_{\left( g \right)}^ - \,\, \to \,\,NaCl\,(s)$
$(C)\,{N_{\left( g \right)}}\, \to \,\,N_{\left( g \right)}^ - $
$(D)\,Al_{\left( g \right)}^{2 + }\, \to \,\,Al_{\left( g \right)}^{3 + }$