JEE Main Test 7...

The synthesis of 3-octyne is achieved by adding a bromoalkane into a mixture of sodium amide and an alkyne.
The bromoalkane and alkyne respectively are

Bicyclo (1, 1, 0) butane is

Experimentally it was found that a metal oxide has formula M_0.98 O. Metal M, present as M²⁺ and M³⁺ in its oxide. Fraction of the metal which exists as M³⁺ would be

Which kind of defect is shown by the given crystal?

Identify the binary mixture(s) that can be separated into individual compounds, by differential extraction as shown in the given scheme.

Given the limiting molar conductivity as
˄⁰_m (HCl) = 425.9Ω^-1 cm² mol^-1
˄⁰_m (NaCl) = 126.4Ω^-1 cm² mol^-1
˄⁰_m (CH₃ COONa) = 91Ω^-1 cm² mol^-1
The molar conductivity, at infinite dilution, of acetic acid (in Ω^-1 cm² mol^-1) will be

29.2% (w/W) HCl stock solution has density of 1.25 g mL^-1. The molecular weight of HCl is 36.5 mol^-1. The volume (mL) of stock solution required to prepare a 200 mL solution 0.4 M HCl is

The standard emf of a galvanic cell involving cell reaction with n = 2 is found to be 0.295 V at 25C°. The equilibrium constant of the reaction would be
(Given, F = 96500 C mol^-1, R = 8. 314 JK^-1 mol^-1 )