In which of the following reactions is benzaldehyde formed from benzoyl chloride and hydrogen in the presence of $Pd/BaSO_4$?
- AStephen reaction
- BEtard reaction
- CGatterman-Koch reaction
- DRosenmund reduction reaction
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Similar Questions
$A$ sound absorber attenuates the sound level by $20\, dB$. The intensity decreases by a factor of:
Which of the following statements is correct for $CsBr_3$?
In the equation $\log S = \log C + Z \log A$,what does '$C$' represent?
Identify $A, B$ and $C$ in the following reactions:
$CH_3 Cl$ $\xrightarrow{KCN} A$ $\xrightarrow{H_3 O^{\oplus}} B$ $\xrightarrow{C_2 H_5 OH / H^{+}, \Delta} C$
$CH_3 Cl$ $\xrightarrow{KCN} A$ $\xrightarrow{H_3 O^{\oplus}} B$ $\xrightarrow{C_2 H_5 OH / H^{+}, \Delta} C$
Assertion $(A):$ Above Curie temperature, a ferromagnetic material becomes paramagnetic.
Reason $(R):$ When a magnetic material is heated to very high temperature, it loses its magnetic properties.
Assertion $(A):$ Above Curie temperature, a ferromagnetic material becomes paramagnetic.
Reason $(R):$ When a magnetic material is heated to very high temperature, it loses its magnetic properties.
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