C(6)H(5)CONHCH(3) can be converted into ...

`C_(6)H_(5)CONHCH_(3)` can be converted into `C_(6)H_(5)CH_(2)NHCH_(3)` by .

If both assertion and reason are true and reason is the correct explanation of assertion

If both assertion and reason are true but reason is not the correct explanation of assertion

If assertion is true but reason is false

If both assertion and reason are false

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The correct Answer is:

`C_(6)H_(5)CONHCH_(3)overset(Zn-Hg)underset(HCl)rarrC_(6)H_(5)CH_(2)NHCH_(3)` This reaction is known as Clemmenson reduction.

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C_(6)H_(5)-CH=CH-CO-CH_(3)

(a) Write the reagent used in the following : C_(6)H_(5)COCH_(3)overset(?)rarr C_(6)H_(5)CH_(12)CH_(3) (b) Arrange the following compounds in increasing order of reactivity towards nucleophilic addition. CH_(3)CHO, C_(6)H_(5)CHO, HCHO

The number of amines having pK_(b) less than C_(6)H_(5)NH_(2) among the following is P-CH_(3) C_(6)H_(5)NH_(2), o-CH_(3)C_(6)H_(4)NH_(2), m-CH_(3)C_(6)H_(4)NH_(2), C_(6)H_(5)N (CH_(3)) _(2), C_(6)H_(5)NHCH_(3), p-NO_(2)C_(6)H_(4)NH_(2), p-CIC_(6)H_(4)NH_(2), C_(6)H_(5)CH_(2)NH_(2)

Give the main products of the reactions : (a) C_(6)H_(6) underset(H_(2)SO_(4))overset(HNO_(3))to (b) C_(6)H_(5)CH_(3) overset(CrO_(2)Cl_(2))to (c) C_(6)H_(5)CH_(2)CH_(2)CH_(3)overset("Alk." KMNO_(4))to (d) C_(6)H_(6)+ Cl_(2) overset ("sunlight")to (e) C_(6)H_(6)+ CH_(3)COOCl overset("Anhyd." AlCl_(3))to

How can we distinguish chemically the following pairs of compounds? (i) CH_(3)CHO and CH_(3)COCH_(3) (ii) CH_(3)CHO and C_(6)H_(5)CHO (iii) C_(6)H_(5)COCH_(3) and C_(6)CH_(5)COC_(6)H_(5) (iv) CH_(3)CHO and CH_(3)CH_(2)CHO

2C_(6)H_(5)CHO overset(NaOH) to C_(6)H_(5)CH_(2)OH + C_(6)H_(5)COONa The similar reaction can take place with which of the following aldehyde?

How will you distinguish between the following ? C_(6)H_(5)-CH = CH-COCH_(3) and C_(6)H_(5)-CH= CH-COCH_(2)CH_(3)

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