List of top Chemistry Questions asked in KCET

When a tertiary alcohol ‘A’ (C₄H₁₀O₄) reacts with 20% H₃PO₄ at 358 K, it gives a compound ‘B’ (C₄H₈) as a major product. The IUPAC name of the compound ‘B’ is :

How many Coulombs are required to oxidise 0.1 mole of H₂O to oxygen?

Solubility product of CaC₂O₄ at a given temperature in pure water is 4×10^-9 (mol L^-1)². Solubility of CaC₂O₄ at the same temperature is:

The type of linkage present between nucleotides is :

The energy associated with first orbit is He⁺ is

The synthetically produced radioactive noble gas by the collision of \(_{98}^{249}Cf\) with \(^{48}_{20}Ca\) is

The correct decreasing order of boiling point of hydrogen halides is

Which of the following statements related to lanthanoids is incorreect?

Match the following:

I.	Zn2+	i.	d8 configuration
II.	Cu2+	ii.	colourless
III.	Ni2-	iii.	μ=1.73BM

The transition element ( ≈ 5%) present with lanthanoid metal in Misch metal is:

Identify the wrong relation for real gases

From the diagram

Δ_rH for the reaction C → A is

A pair of isoelectric species having bond order of one is:

A metalloid is

For which one of the following mixtures is composition uniform throughout?

For the coagulation of positively charged hydrated ferric-oxide sol, the flocculating power of the ions is in the order :

Identify the incorrect statement :

Which one of the following does not represent Arrhenius equation?

The value of 'A' in the equation λ_m = λ_m° - A√C is same for the pair:

Which one of the following pairs will show positive deviation from Raoult’s Law?

A mixture of phenol and aniline shows negative deviation from Raoult's law. This is due to the formation of:

MnO exhibits:

Which of the following crystals has the unit cell such that a=b≠c and α=β=90°,γ=120° ?

The first chlorinated organic insecticide prepared is :

In the given sequence of reactions, identify 'P, 'Q', 'R' and 'S' respectively.