MCQ
The correct reaction profile diagram for a positive catalyst reaction.
- A
- ✓
- C
- D
✓
Answer
Correct option: B.
b
By using positive catalyst :
By using positive catalyst :
$(i)$ $\Delta H$ does not change
$(ii)$ Activation energy decreases
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
In solvolysis of $1 , 2-$ dimethyl propyl $p$ -toluene sulfonate in acetic acid at $75\,^oC$, (alkene + substitution products) will be formed by mechanism ?
→Standard reduction potentials of the half reactions are given below :
→$F_{2(g)} + 2e^- \rightarrow 2F^-_{(aq)}\, ;$ $E^o = + 2.85\, V$
$Cl_{2(g)} + 2e^- \rightarrow 2Cl^-_{(aq)}\, ;$ $E^o = + 1.36\, V$
$Br_{2(l)} + 2e^- \rightarrow 2Br^-_{(aq)}\, ;$ $E^o = + 1.06\, V$
$I_{2(s)} + 2e^- \rightarrow 2I^-_{(aq)}\, ;$ $E^o = + 0.53\, V$
The strongest oxidising and reducing agents respectively are
Which one of the following compounds will liberate $\mathrm{CO}_{2}$, when treated with $\mathrm{NaHCO}_{3}$ ?
→In which of the following compound central metal atom has maximum no. of unpaired $e^-s$ ?
→A solution containing $62\,g$ ethylene glycol in $250\,g$ water is cooled to $-10\,^oC. $ If $K_f$ for water is $1.86\,K\,kg\,mol^{-1},$ the amount of water(in $g$ ) separated as ice is
→Which of the following has maximum boiling point ?
The major product of the following reaction is
On exciting $C{l_2}$ molecule by $UV$ light, we get
→How many geometrical isomers are possible for $[Pd^{2+} (NH_2 -CH(CH_3 )-CO^-_2)_2]$
→Which of the statements about "Denaturation" given below are correct ?
→$(A)$ Denaturation of proteins causes loss of secondary and tertiary structures of the protein
$(B)$ Denturation leads to the conversion of double strand of $DNA$ into single strand
$(C)$ Denaturation affects primary structure which gets distorted