MCQ
Which of the following statements is correct?
- AMethyl amine is slightly acidic.
- BMethyl amine is less basic than ammonia.
- CMethyl amine is less basic than dimethyl amine.
- DMethyl amine is less basic than aniline.
Explanation:
Dimethyl amine (Me2NH) is more basic than MeNH2, due to (+I) effect of two (Me) groups.
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Assertion : For hydrogenation reactions, the catalytic activity increases from Group $5$ to Group $11$ metals with maximum activity shown by Group $7-9$ elements.
Reason : The reactants are most strongly adsorbed on group $7-9 $ elements.
$(a)$ $PhCOOH$
$(B)$ $o-NO_2C_6H_4COOH$
$(C)$ $p-NO_2C_6H_4COOH$
$(D)$ $m-NO_2C_6H_4COOH$

