CUET Questions — Chemistry
494 solved questions with detailed explanations
Q33. Match List I and with List II (List I: Complex ions A. [CoCl(NH3)5]2+, B. [Co(NH3)5(H2O)]3+, C. [Co(NH3)6]3+, D. [Co(CN)6]3-. List II: Wavelength λ I. 500 nm, II. 535 nm, III. 475 nm, IV. 310 nm)
Q33. In inorganic salt analysis, for the indicatory test of Cl⁻, conc. H₂SO₄ is used. This is because:
Q5. The relative reactivity order of following halides towards SN1 reaction is: (I) CH₃-C(CH₃)₂-Cl (II) CH₃-CH₂-Cl (III) CH₃Cl (IV) Ph₂CHCl
Q47. Structure of Brady's reagent is (a) H2NNH-NO2/NO2 (2,4-dinitrophenylhydrazine, NO2 at ortho and meta) (b) H2NHN-NO2/NO2 (2,4-dinitrophenylhydrazine, NO2 at ortho and para) (c) H2NNH-NO2/NO2 (3,5-
Q49. Match List - I with List - II. List - I (A) SF₄ (B) BrF₃ (C) BrO₃⁻ (D) XeOF₄ List - II (I) Bent 'T' (II) Pyramidal (III) Seesaw (IV) Square pyramidal Choose the correct answer from the options gi
Q5. According to the Raoult's law, vapour pressure of a solution is directly proportional to: (a) Mole fraction (b) Part per million (c) Mass percentage (d) Molality
Q50. Choose the correct answer from the options given below: (A) Toluene to Benzaldehyde (Etard reaction) (B) RCOCl to RCHO (Rosenmund reduction) (C) Ketone to Alkane (Clemmensen reduction) (D) Ketone
Q41. Which of the following amino acid is essential? (a) Glycine (b) Glutamic acid (c) Alanine (d) Valine
Q49. Carboxylic acid do not give the characteristic reaction of carbonyl group because: (a) the oxygen atom of the OH group does not contain lone pair of electrons (b) carbonyl carbon of carboxyl grou
Q33. Which of the following sols are correctly matched with their corresponding charges? (A) Cr(OH)3 sol: negatively changed sol (B) TiO2 sol: positively charged sol (C) CdS sol: positively charged so