List of top Chemistry Questions asked in KCET

The sodium fusion extract is boiled with concentrated nitric acid while testing for halogens. By doing so, it

In the preparation of sodium fusion extract, the purpose of fusing organic compound with a piece of sodium metal is to

The IUPAC name of the given organic compound is HC \( \equiv \) C - CH = CH - CH\(_2\).

In the titration of potassium permanganate (KMnO\(_4\)) against Ferrous ammonium sulphate (FAS) solution, dilute sulphuric acid but not nitric acid is used to maintain acidic medium, because

The correct sequence of \(\alpha\)-amino acid, hormone, vitamin, carbohydrates respectively is

The group reagent NH\(_4\)Cl (s) and aqueous NH\(_3\), will precipitate which of the following ion

Which of the following statements are true about \( [NiCl_4]^{2-} \)?
(a) The complex has tetrahedral geometry.
(b) Co-ordination number of Ni is 2 and oxidation state is +4.
(c) The complex is sp\(^3\) hybridised.
(d) It is a high spin complex.
(e) The complex is paramagnetic.

Which formula and its name combination is incorrect?

A ligand which has two different donor atoms and either of the two ligates with the central metal atom/ion in the complex is called

In the reaction between hydrogen sulphide and acidified permanganate solution,

Which of the following set of polymers are used as fibre?
(i) Teflon
(ii) Starch
(iii) Terylene
(iv) Orlon

The biodegradable polymer obtained by polymerisation of Glycine and Aminocaproic acid is:

The compound is

Which one of the following is a cationic detergent?

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

The type of linkage present between nucleotides is:

$\alpha$-D-(+)-glucose and $\beta$-D-(+)-glucose are:

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

In the following scheme of reaction.

X, Y and Z respectively are:

Propanone and Propanal are:

8.8 g of monohydric alcohol reacts with ethyl magnesium iodide, releasing 2240 $cm^3$ of ethane at STP. This monohydric alcohol forms a carbonyl compound that answers Tollen’s test. The alcohol is:

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

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:

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

PCC is: