List of top Questions asked in KCET

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

The energy associated with the first orbit of He+ is:

The complex compounds [Co(NH₃)₅SO₄]Br and [Co(NH₃)₅Br]SO₄ are:

Which of the following statements are true about [CoF₆]³⁻ ion?
I) The complex has octahedral geometry.
II) Coordination number of Co is 3 and oxidation state is +6.
(III) The complex is sp³d² hybridised.
(IV) It is a high spin complex.

Which of the following statements related to lanthanoids is incorrect?

A metalloid is:

A pair of isoelectronic species having a bond order of one is:

Solubility product of CaC₂O₄ at a given temperature in pure water is 4 × 10⁻⁹ mol²/L². Solubility of CaC₂O₄ at the same temperature is:

Which one of the following nitrates will decompose to give NO₂ on heating?

Vapour pressure of a solution containing 18 g of glucose and 178.2 g of water at 100°C is:
(Vapour pressure of pure water at 100°C = 760 torr)

The compound is

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

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

The value of 'A' in the equation \( \lambda_m = \lambda_m^0 - A\sqrt{C} \) is same for the pair

Sodium ethanoate on heating with soda lime gives ‘X’. Electrolysis of aqueous solution of sodium ethanoate gives ‘Y’. ‘X’ and ‘Y’ respectively are:

Identify the incorrect statement from the following:

In the reaction between moist SO₂ and acidified permanganate solution:

A current of 3 A is passed through a molten calcium salt for 1 hr 47 min 13 sec. The mass of calcium deposited is:

On treating 100 mL of 0.1 M aqueous solution of the complex CrCl₃.6H₂O with excess of AgNO₃, 2.86 g of AgCl was obtained. The complex is:

When a tertiary alcohol ($C_4​H_{10}​O$) reacts with 20% $H_3​PO_4$​ at 358 K, it gives a compound ($C_4​H_8​$) as the major product. The IUPAC name of this compound is:

PCC is:

The first chlorinated organic insecticide prepared is: