CUET Questions — Chemistry

Q29. Which of the following statement is incorrect? (a) Brownian movement stabilises sol. (b) Both emulsifier and peptising agents stabilises colloids but their actions are different. (c) Mixing two o

Q50. The product of complete hydrolysis of XeF6 in the following reaction is XeF6 + H2O→? HF (a) XeOF4 (b) XeO2F2 (c) XeO3 (d) Xe

Q30. Which of the following alkyl halide will undergo SN1 reaction most readily: (a) (CH3)3C-F (b) (CH3)3C-Cl (c) (CH3)3C-Br (d) (CH3)3C-I

Q39. False statement about Frenkel defect is:

Q24. Which of the following is incorrect? (a) CH3-CH2-OH (H2SO4, Con/443 K) → CH2=CH2 + H2O (b) CH3-C(CH3)(OH)-CH3 (Cu, 573 K) → CH3-C(CH3)=O + CH4 (c) CH3-CH(OH)-CH3 (85% H3PO4) → CH3-CH=CH2 + H2O (d

Q15. Choose the incorrect statement. (a) In endothermic reaction reactant molecules have lower energy than product molecules (b) Energy of activated complex is higher than the energy of reactants (c)

Q25. In Kolbe's reaction, phenol undergoes:

Q17. When chlorine gas is passed through a hot solution of NaOH, a disproportionation reaction occurs. The zero-oxidation state of chlorine changes to: (A) 0 to +5 (B) 0 to -1 (C) 0 to +3 (D) 0 to +1

Q24. Match List-I with List-II: List-I (A) RNA (B) Nucleoside (C) Nucleotide (D) Sugar List-II (1) Adenosine (II) Adenosine monophosphate (III) Deoxyribose (IV) Uracil Choose the correct answer from t

Q32. Butanone is less reactive than propanal towards nucleophilic addition reaction because: (a) more +I effect found in butanone (b) less +I effect found in butanone (c) more +I effect found in propa