MCQ
Benzaldehyde reacts with ammonia to form
- ABenzaldehyde ammonia
- BUrotropine
- ✓Hydrobenzamide
- DAniline

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$A\,\xrightarrow{{{k_1}}}B$ ${k_1}\, = \,1.26\, \times \,{10^{ - 4}}\,{S^{ - 1}}$
$A\,\xrightarrow{{{k_2}}}C$ ${k_2}\, = \,3.8\, \times \,{10^{ - 5}}\,{S^{ - 1}}$
$X_2 + Y_2 \rightarrow 2XY,$ is given below :
$(i)\,\, X_2 \rightarrow X + X\, (fast)$
$(ii)\,\,X + Y_2 \rightleftharpoons XY + Y\, (slow)$
$(iii)\,\,X + Y \rightarrow XY\, (fast)$
The overall order of the reaction will be
Which is correct for above reaction
$(A)$ $H _2 S _2 O _7$ $(B)$ $H _2 S _2 O _8$ $(C)$ $H _2 S _2 O _5$ $(D)$ $H _2 SO _5$
Reason: The electrical conductivity of metals is due to motion of electrons.