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questions
List of practice Questions
The amine which is most basic in gas phase is:
UPCATET - 2025
UPCATET
Chemistry
Organic Chemistry
Which among the following is fibrous protein:
UPCATET - 2025
UPCATET
Chemistry
Biochemistry
Which of the following amines will give most easily \(\mathrm{N}_2\) gas on treatment with \(\mathrm{NaNO}_2 + \mathrm{HCl}\) at 275 K:
UPCATET - 2025
UPCATET
Chemistry
Organic Chemistry
Which of the following is a double salt:
UPCATET - 2025
UPCATET
Chemistry
Inorganic chemistry
Which of the following fluid has \(\mathrm{pH}<7\):
UPCATET - 2025
UPCATET
Chemistry
Acids, Bases And Salts
The coordination number and oxidation number of \(\mathrm{Cr}\) in \(\mathrm{K}\left[\mathrm{Cr}\left(\mathrm{H}_2\mathrm{O}\right)_2\left(\mathrm{C}_2\mathrm{O}_4\right)_2\right]\) are:
UPCATET - 2025
UPCATET
Chemistry
coordination compounds
Electrophile used in Kolbe’s reaction is:
UPCATET - 2025
UPCATET
Chemistry
Organic Chemistry
Schiff’s base is formed by the reaction of aldehyde with:
UPCATET - 2025
UPCATET
Chemistry
Organic Chemistry
Denaturation of alcohol is done by the help of:
UPCATET - 2025
UPCATET
Chemistry
Organic Chemistry
When benzene diazonium chloride is treated with ethanol, the product obtained is:
UPCATET - 2025
UPCATET
Chemistry
Organic Chemistry
Optical isomerism is shown by:
UPCATET - 2025
UPCATET
Chemistry
coordination compounds
Benzene on reaction with benzoyl chloride in the presence of anhydrous \(\mathrm{AlCl}_3\) forms:
UPCATET - 2025
UPCATET
Chemistry
Redox reactions
How many structural isomers does \(\mathrm{C}_7\mathrm{H}_{16}\) have:
UPCATET - 2025
UPCATET
Chemistry
Organic Chemistry
Molecularity of a reaction can be:
UPCATET - 2025
UPCATET
Chemistry
Chemical Kinetics
Cell constant is equal to:
UPCATET - 2025
UPCATET
Chemistry
Electrochemistry
In which of the following elements the 6d orbital is vacant:
UPCATET - 2025
UPCATET
Chemistry
Electronic Configuration
Correct order of first ionisation energy of B, In, Ga, and Al is:
UPCATET - 2025
UPCATET
Chemistry
Periodic Table
Which among the following is not an aromatic species:
UPCATET - 2025
UPCATET
Chemistry
Aromaticity & chemistry of aromatic compounds
In the given circuit, the equivalent resistance between points A and D is:
UPCATET - 2025
UPCATET
Physics
Semiconductor electronics: materials, devices and simple circuits
Which of the following aldehydes does not form iodoform on heating with $\mathrm{I_2}$ and alkali?
UPCATET - 2025
UPCATET
Chemistry
Organic Chemistry
Oxidation number of hydrogen is (-1) in:
UPCATET - 2025
UPCATET
Chemistry
Oxidation Number
The group which shows \(-I\) and \(-R\) effect is:
UPCATET - 2025
UPCATET
Chemistry
Organic Chemistry
Hybridisation of \(\mathrm{Ni}\) in \(\left[\mathrm{Ni}(\mathrm{CN})_4\right]^{2-
\) is:}
UPCATET - 2025
UPCATET
Chemistry
coordination compounds
Solubility of \(\mathrm{AgCl}\) in \(10^{-2} \text{M} \mathrm{NaCl}\) solution is (\( K_{sp_{\mathrm{AgCl}}} = 1.8 \times 10^{-10} \)):
UPCATET - 2025
UPCATET
Chemistry
Solubility
In the balanced redox reaction \(\mathrm{Cr}_2\mathrm{O}_7^{2-} + \mathrm{SO}_3^{2-} \longrightarrow \mathrm{Cr}^{3+} + \mathrm{SO}_4^{2-}\), the ratio of the number of \(\mathrm{Cr}_2\mathrm{O}_7^{2-}\) ions to \(\mathrm{SO}_4^{2-}\) ions is:
UPCATET - 2025
UPCATET
Chemistry
Redox reactions
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