List of top Questions asked in KCET

The first chlorinated organic insecticide prepared is:

MnO exhibits:

In the reaction between moist SO₂ and acidified permanganate solution:

0.48 g of an organic compound on complete combustion produced 0.22 g of CO₂. The percentage of C in the given organic compound is:

In the given sequence of reactions, identify ‘P’, ‘Q’ and ‘S’ respectively:

Which of the following halides cannot be hydrolysed?

Which one of the following properties is generally not applicable to ionic hydrides?

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

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:

2-Methylpropane can be prepared by Wurtz reaction. The haloalkanes taken along with metallic sodium and dry ether are:

In the analysis of III group basic radicals of salts, the purpose of adding NH₄Cl (solid) to NH₄OH is:

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.

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

A haloalkane undergoes $S_{N^2}$ or $S_{N^1}$ reaction depending on:

PCC is:

In the reaction: \(\text{Aniline} \xrightarrow{\text{NaNO}_2/\text{dil. HCl}} P \xrightarrow{\text{Phenol/NaOH}} Q\)

Biologically active adrenaline and ephedrine used to increase blood pressure contain

The female sex hormone responsible for developing secondary female characteristics and menstrual cycle control 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:

The compound is

But-1-yne on reaction with dilute H2​SO4​ in the presence of Hg2+ ions at 333K gives:

The type of linkage present between nucleotides is:

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

Which one of the following is a cationic detergent?