Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app

Olympiad workbook

Exam: Olympiad workbook
Subject: NSEC
Chapter: Chemical Equilibrium

Olympiad workbook · NSEC · Chemical Equilibrium

The equilibrium constants of the following isomerisation reaction...

The equilibrium constants of the following isomerisation reaction at 400 K and 298

K

are 2.07 and 3.42 respectively. cis-butene

\underset{\mathrm{k}_{-1}}{\stackrel{\mathrm{k}_1}{\rightleftharpoons}}

trans-butene Which of the following is/are correct? I. The reaction is exothermic II. The reaction is endothermic III. At

400 \mathrm{~K} 50 \%

of cis-butene and

50 \%

of trans-butene are present at equilibrium IV. Both at 298 K and

400 \mathrm{~K}, \mathrm{k}_1=\mathrm{k}_{-1}

Options

AI and IV
BII and IV
CI and III
DI only

Correct answer

D. I only

Step-by-step solution

No Solution

Practice Chemical Equilibrium on Quantrex Academy →

More from Chemical Equilibrium

Solubility product of AgCl is 1.8 × 10^ -10 . The minimum volume (in L ) of water… Olympiad workbook The undissociated form of a weak organic acid HA can be extracted from the aqueous phase… Olympiad workbook The standard molar entropies of H_2(~g), N_2(~g) and NH_3(~g) are 130,190 and 193 ~J… Olympiad workbook The reaction xX(g) leftharpoons yY(g)+zZ(g) was carried out at a certain temperature with… Olympiad workbook Given below is the data for the reaction 2 NO(g) leftharpoons N_2(~g)+O_2(~g) where ' k_… Olympiad workbook Acetic acid (CH_3 COOH) is partially dimerised to (CH_3 COOH)_2 in the vapour phase. At a… Olympiad workbook The qualitative plots given represent the yield of the product, [XY] , at equilibrium in… Olympiad workbook The mass ratio of steam and hydrogen is found to be 1: 1.5 at equilibrium in the… Olympiad workbook Full Chemical Equilibrium list All Olympiad workbook PYQs