WBJEE Chemistry Test - 2 - JEE MCQ

Nitrates of all the metals are

Which of the following is not a preliminary test used to detect ions

The wavelength of light waves is inversely proportional to its

Which of the following alkyl group has the maximum + I effect?

The enzymes which convert glucose and fructose into ethyl alcohol is

Which of the the following has least bond energy?

The enthalpies of combustion of carbon and carbon monoxide are -393.5 and -283 KJ mol⁻¹ respectively .The enthalpy of formation of carbon monoxide per mol is

A glass bulb is filled with NO₂ gas and immersed in an ice bath at 0°C which becomes colourless after some time . This colourless gas will be

Units of rate constant for first and zero order reaction in terms of molarity (M) units are resectively

Given that 

The soaps are salts of higher fatty acids containing chains of

The systematic name of (CH₃)₂CH-COOH is

2,4 Dinitrophenyl hydrazine is an example for :

The process associated with manufacture of sodium carbonate is known as

The density of gas at 27°C and 1 atm is d. Pressure remaining constant at which of the following temperatures will its density become 0.75 d ?

What is formed when boron is heated with concentrated H₂SO₄?

Which does not exist?

The P-P-P bond angle in white phosphorus is

 Which one of the following substances is used in the laboratory for a fast drying of neutral gases?

Which of the following isomerism is not exhibited by alkanes?

 Heaviest particle is

Which of the following on hydrolysis forms acetic acid?

Terylene is used for making

Which of the following is a polyamide molecule?

The oxidation number of Mn in KMnO₄ is

The crystal system of a compound with unit cell dimensions a=0.387, b=0.387 and c=0.0504 nm and α = β = 90°and γ = 120°is

In the Fischer projection formula, the representation of meso-butane-2,3-diol is :