List of top Chemistry Questions asked in CUET (UG)

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Peptide bond in proteins is strutcurally represented as
Gabriel phthalimide synthesis of amines produces
Fibrous protein is characterized by the presence of hydrogen and disulfide bonds. Examples of fibrous protein are
(A) Keratin
(B) Myosin
(C) Insulin
(D) Albumins
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Which of the following gives the correct representation of zwitter ion of the given amino acid ?
Select the correct set of reagents required for conversion of the following chemical reactions
Amongst the following, the strongest base in the aqueous medium is :
-OH group at which carbon center of glucose form a pyranose ring structure?
The first step in conversion of aniline to 4-bromoaniline involves
Which of the following reagents will bring out the following transformation ?
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Iodoform reaction with sodium hypoiodite is used for detection of .
Conversion of carboxylic acid to hydrocarbon is carried out using
Sodium benzoate finds applications in
The correct increasing order of acidity of the following molecules is
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Arrange the following complex ions in increasing order of their wavelength of light absorbed:
(A) \([\text{Co}(\text{CN})_6]^{3-\)
(B) \([\text{Co}(\text{NH}_3)_6]^{3+}\)
(C) \([\text{CoF}_6]^{3-}\)
(D) \([\text{Co}(\text{C}_2\text{O}_4)_3]^{3-}\)
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In nucleophilic addition reaction of HCN to ethanal, the hybridisation of the carbonyl carbon in the final product is
Which of the following is the correct IUPAC name for the \([\text{Pt}(\text{NH}_3)_2\text{Cl(\text{NO}_2)]\) coordination compound?}
Which of the following hybridisation is correct for \([\text{FeF}_6]^{3-}\)?
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Potassium dichromate (\(\text{K}_2\text{Cr}_2\text{O}_7\)) is a strong oxidizing agent. Select the correct statements from the following:
(A) It is used for preparation of many azo compounds.
(B) With the decreasing pH of the solution, dichromates changes into chromates.
(C) In acidified solution equivalent weight of dichromate is M/5
(D) The bond angle between Cr-O-Cr is \(126^\circ\).
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Which one of the following compounds does not show geometrical isomerism?
The most stable oxidation state of titanium is
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The electronic configuration of \(\text{Co}^{3+}\) metal ion is........

Among the following, which are examples of first-order reactions?

(A) \(^{226}_{88}\text{Ra} \rightarrow {}^{4}_{2}\text{He} + {}^{222}_{86}\text{Rn}\) 

(B) \(2\text{NH}_3 \xrightarrow[\text{Pt catalyst}]{1130\,\text{K}} \text{N}_2\text{(g)} + 3\text{H}_2\text{(g)}\) 

(C) \(2\text{N}_2\text{O}_5\text{(g)} \rightarrow 2\text{N}_2\text{O}_4\text{(g)} + \text{O}_2\text{(g)}\) 

(D) \(\text{C}_2\text{H}_4\text{(g)} + \text{H}_2\text{(g)} \rightarrow \text{C}_2\text{H}_6\text{(g)}\) 

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